National Register of Historic Places
Delaware
687 listed historic places in Delaware, grouped by county.
Did your family live in Delaware? Load your tree to see which of these places stand near where they lived. Try it with your own tree
Kent County (136)
- Alexander Laws HouseLeipsic · listed 1983
- Alfred L. Hudson HouseKenton · listed 1983
- Allee HouseDutch Neck Crossroads · listed 1971
- AspendaleKenton · listed 1970
- Bank HouseMilford · listed 1978
- Bannister Hall and Baynard HouseSmyrna · listed 1973
- Barratt HallFrederica · listed 1973
- Barratt's ChapelFrederica · listed 1972
- Belmont HallSmyrna · listed 1971
- Benjamin Blackiston HouseKenton · listed 1983
- Bethel Methodist Protestant ChurchAndrewsville · listed 1998
- Bonwell HouseFrederica · listed 1973
- Bradford-Loockerman HouseDover · listed 1972
- BrecknockCamden · listed 1974
- Byrd's AME ChurchClayton · listed 1982
- Camden Friends MeetinghouseCamden · listed 1973
- Camden Historic DistrictCamden · listed 1974
- Cherbourg Round BarnLittle Creek · listed 1978
- Cheyney Clow's Rebellion, Scene ofKenton · listed 1974
- Christ ChurchDover · listed 1972
- Christ ChurchMilford · listed 1973
- Clark-Pratt HouseKenton · listed 1983
- Clayton Railroad StationClayton · listed 1986
- Coombe Historic DistrictFelton · listed 1982
- Cooper HouseKenton · listed 1973
- Cow Marsh Old School Baptist ChurchSandtown · listed 1976
- David J. Cummins HouseSmyrna · listed 1983
- Delaplane McDaniel HouseKenton · listed 1983
- Delaware Boundary MarkersNot Applicable · listed 1975
- Delaware State Museum BuildingsDover · listed 1972
- Dover Green Historic DistrictDover · listed 1977
- Downtown Harrington Historic DistrictHarrington · listed 2019
- Duck Creek VillageSmyrna · listed 1972
- Durham-Shores HouseDupont Station · listed 2001
- Eden HillDover · listed 1973
- Elizabeth Stubbs HouseLittle Creek · listed 1982
- Enoch Jones HouseClayton · listed 1973
- Felton Historic DistrictFelton · listed 1988
- Felton Railroad StationFelton · listed 1981
- Fennimore StoreLeipsic · listed 1982
- Fourteen Foot Bank LightBowers · listed 1989
- Frederica Historic DistrictFrederica · listed 1977
- George Arnold HouseKenton · listed 1983
- George FarmhouseSmyrna · listed 1982
- Golden MineMilford · listed 1978
- Gov. George Truitt HouseMagnolia · listed 1978
- Gov. William T. Watson MansionMilford · listed 1982
- Governor's HouseDover · listed 1972
- Great GenevaDover · listed 1973
- Green Mansion HouseKenton · listed 1983
- GreenwoldDover · listed 1973
- Griffith's ChapelWilliamsville · listed 1983
- Hoffecker-Lockwood HouseKenton · listed 1983
- Ivy Dale FarmSmyrna · listed 1973
- J. F. Betz HouseKenton · listed 1983
- James McColley HouseMilford · listed 1983
- James Williams HouseKenton · listed 1983
- Jefferson Lewis HouseKenton · listed 1983
- Jehu Reed HouseLittle Heaven · listed 1973
- John B. Lindale HouseMagnolia · listed 1973
- John Bullen HouseDover · listed 1975
- John Dickinson HouseDover · listed 1966
- John M. Voshell HouseSmyrna · listed 1983
- Jonathan Woodley HouseLittle Creek · listed 1982
- KATHERINE M. LEE (Schooner)Leipsic · listed 1983
- Kenton Historic DistrictKenton · listed 1983
- Kenton Post OfficeKenton · listed 1983
- Lewis Family Tenant Agricultural ComplexWyoming · listed 1986
- Little Creek Hundred Rural Historic DistrictLittle Creek · listed 1984
- Little Creek Methodist ChurchLittle Creek · listed 1982
- Logan School House K-834Kitts Hummock · listed 1979
- Loockerman HallDover · listed 1971
- Macomb FarmDover · listed 1974
- MAGGIE S. MYERS (schooner)Leipsic · listed 1983
- Matthew Lowber HouseMagnolia · listed 1971
- McClary HouseLeipsic · listed 1983
- Mifflin-Marim Agricultural ComplexDover · listed 1984
- Milford New Century ClubMilford · listed 1982
- Mill HouseMilford · listed 1983
- Moore HouseSmyrna · listed 1982
- MordingtonFrederica · listed 1973
- N. C. Downs HouseKenton · listed 1983
- North Milford Historic DistrictMilford · listed 1983
- Octagonal SchoolhouseCowgill's Corner · listed 1971
- Old Fire HouseMilford · listed 1983
- Old StatehouseDover · listed 1971
- Old Stone TavernLittle Creek · listed 1973
- Palmer HomeDover · listed 1988
- Parson Thorne MansionMilford · listed 1971
- Peter Lofland HouseMilford · listed 1982
- Peterson and Mustard's Hermitage FarmSmyrna · listed 1982
- Poinsett HouseKenton · listed 1983
- Port Mahon LighthouseLittle Creek · listed 1979
- Rawley HouseLeipsic · listed 1983
- Raymond Neck Historic DistrictLeipsic · listed 1982
- Reed HouseLeipsic · listed 1983
- Robert Hill HouseKenton · listed 1983
- Ruth Mansion HouseLeipsic · listed 1973
- Saxton United Methodist ChurchBowers · listed 1990
- Short's Landing Hotel ComplexSmyrna · listed 1983
- Sipple HouseLeipsic · listed 1982
- Smyrna Historic DistrictSmyrna · listed 1980
- SnowlandLeipsic · listed 1973
- SomervilleKenton · listed 1974
- St. Joseph's Industrial SchoolClayton · listed 2002
- St. Paul A.M.E. ChurchHarrington · listed 2016
- St. Stephen's P.E. ChurchHarrington · listed 2014
- Star Hill AME ChurchCamden · listed 1994
- T. H. Denny HouseKenton · listed 1983
- Tharp HouseFarmington · listed 1973
- Thomas Attix HouseKenton · listed 1983
- Thomas B. Coursey HouseFelton · listed 1990
- Thomas Davis HouseKenton · listed 1983
- Thomas Lamb FarmKenton · listed 1983
- Thomas Lamb HouseKenton · listed 1983
- Thomas Sutton HouseWoodland Beach · listed 1973
- Thomas' Methodist Episcopal ChapelChapeltown · listed 1994
- Timothy Cummins HouseSmyrna · listed 1983
- Todd's ChapelGreenwood · listed 1998
- Town PointDover · listed 1972
- Tyn Head CourtDover · listed 1973
- Victorian Dover Historic DistrictDover · listed 1979
- Vincelette Futuro HouseHouston · listed 2023
- Vogl HouseMasten's Corner · listed 1976
- W. D. Burrows HouseKenton · listed 1983
- Walnut FarmMilford · listed 1982
- Wheel of FortuneLeipsic · listed 1973
- White-Warren Tenant HouseSandtown · listed 2001
- Wilkerson, J. H., & Son BrickworksMilford · listed 1978
- William Stevens HouseKenton · listed 1983
- WoodlawnSmyrna · listed 1982
- Woodside Methodist Episcopal ChurchWoodside · listed 1996
- Wright-Carry HouseKenton · listed 1983
- Wyoming Historic DistrictWyoming · listed 1987
- Wyoming Railroad StationWyoming · listed 1980
- Zion African Methodist Episcopal ChurchCamden · listed 1994
New Castle County (414)
- A. Armstrong FarmNewark · listed 1986
- A. Eliason HouseMt. Pleasant · listed 1985
- A. M. Vail HouseOdessa · listed 1985
- Abner Cloud HouseWilmington · listed 1992
- Academy of NewarkNewark · listed 1976
- AchmesterMiddletown · listed 1979
- Aetna Hose, Hook and Ladder Company Fire Station No. 2Newark · listed 1982
- Aetna Hose, Hook and Ladder Company, Fire Station No. 1Newark · listed 1982
- African Union Church and Cemetery of Iron HillNewark · listed 2021
- Aiken's Tavern Historic DistrictNewark · listed 1977
- Air Service, Inc. Hangar at Bellanca AirfieldNew Castle · listed 2005
- American Vulcanized Fibre Company-Wilmington PlantWilmington · listed 2020
- Amstel HouseNew Castle · listed 1977
- Anderson HouseNewark · listed 1983
- Andrew Fisher HouseNewark · listed 1973
- Andrew Kerr HouseNewark · listed 1983
- Appoquinimink Friends MeetinghouseOdessa · listed 1972
- ArchmereClaymont · listed 1992
- Armstrong Lodge No. 26, A. F. & A. M.Newport · listed 1993
- Armstrong-Walker HouseMiddletown · listed 1985
- Arnold S. Naudain HouseMiddletown · listed 1973
- Ashland BridgeAshland · listed 1973
- Ashton Historic DistrictPort Penn · listed 1978
- Auburn Mills Historic DistrictYorklyn · listed 1980
- Augustine Beach HotelPort Penn · listed 1973
- Augustine Paper MillWilmington · listed 1978
- B. F. Hanson HouseMiddletown · listed 1982
- Baily HouseNewark · listed 1982
- Bancroft and Sons Cotton MillsWilmington · listed 1984
- Bank of Newark BuildingNewark · listed 1983
- Bartley-Tweed FarmNewark · listed 1986
- Baynard Boulevard Historic DistrictWilmington · listed 1979
- Bell FarmhouseNewark · listed 1983
- BelleviewMiddletown · listed 1985
- Bellevue Range Rear Light StationWilmington · listed 2006
- Belmont HallNewark · listed 1983
- Biddle HouseSt. Georges · listed 1978
- BloomfieldSt. Georges · listed 1982
- Blue Hen FarmNewark · listed 1983
- Brandywine Manufacturers Sunday SchoolWilmington · listed 1972
- Brandywine ParkWilmington · listed 1976
- Brandywine Park and Kentmere Parkway (Boundary Increase)Wilmington · listed 1981
- Brandywine Powder Mills DistrictWilmington · listed 1984
- Brandywine Village Historic DistrictWilmington · listed 1971
- Brandywine Village Historic District (Boundary Increase)Brandywine · listed 1976
- Braunstein's BuildingWilmington · listed 1985
- Breck's Mill AreaWilmington · listed 1971
- Breck's Mill Area-Henry Clay Village Historic District (Boundary Decrease)Wilmington · listed 1988
- Breck's Mill Area-Henry Clay Village Historic District (Boundary Increase)Wilmington · listed 1988
- Brindley FarmWilmington · listed 1976
- Brook RambleTownsend · listed 1992
- Buena VistaSt. Georges · listed 1971
- Building at 140 W. Main StreetNewark · listed 1982
- Building at 28-34 1/2 Academy StreetNewark · listed 1982
- Building at 34 Choate StreetNewark · listed 1983
- Carney, John, Agricultural ComplexGreenville · listed 2009
- Carpenter-Lippincott HouseCentreville · listed 1983
- Center Meeting and SchoolhouseCenterville · listed 1971
- Centreville Historic DistrictCentreville · listed 1983
- Chambers HouseNewark · listed 1983
- Chambers HouseNewark · listed 1988
- Charles Allen HouseChristina · listed 1983
- Charles and Edith Liedlich HouseNewark · listed 2006
- Charles B. Lore Elementary SchoolWilmington · listed 1983
- Charles Schagrin BuildingWilmington · listed 1985
- Charles Springer TavernWilmington · listed 1992
- ChelseaDelaware City · listed 1982
- ChoptankMiddletown · listed 1985
- Choptank-Upon-The-HillMiddletown · listed 1985
- Christiana Historic DistrictChristiana · listed 1974
- Church Street Historic DistrictWilmington · listed 1987
- Clearfield FarmSmyrna · listed 1973
- Cleaver HousePort Penn · listed 1985
- Cloud-Reese HouseWilmington · listed 2001
- Cochran GrangeMiddletown · listed 1973
- Coffee Run Mission SiteHockessin · listed 1973
- Collison HouseNewport · listed 1993
- Comdr. Thomas MacDonough HouseOdessa · listed 1978
- Compton Park ApartmentsWilmington · listed 2024
- Continental Army Encampment SiteWilmington · listed 1973
- Cooch's Bridge Historic DistrictNewark · listed 1973
- Cooch's Bridge Historic District (Boundary Decrease)Newark · listed 1999
- Cool Spring Park Historic DistrictWilmington · listed 1983
- Cool Spring Park Historic District (Boundary Increase)Wilmington · listed 2007
- Corbit-Sharp HouseOdessa · listed 1967
- CornucopiaMiddletown · listed 1987
- Correll's Farm and Lawn SupplyKirkwood · listed 1982
- Cox-Phillips-Mitchell Agricultural ComplexHockessin · listed 2017
- Crosby and Hill BuildingWilmington · listed 1985
- Curtis MansionNewark · listed 1982
- Curtis Paper Mill Workers' HousesNewark · listed 1982
- Darley HouseClaymont · listed 1973
- Dauneport HouseWilmington · listed 2022
- David W. Thomas HouseOdessa · listed 1992
- Davis Eastburn FarmNewark · listed 1986
- Dean, Joseph, & Son Woolen MillNewark · listed 1978
- Deer Park FarmNewark · listed 1983
- Deer Park HotelNewark · listed 1982
- Delaware Academy of MedicineWilmington · listed 2003
- Delaware Avenue Historic DistrictWilmington · listed 1976
- Delaware Avenue Historic District (Boundary Increase)Wilmington · listed 1987
- Delaware City Historic DistrictDelaware City · listed 1983
- Delaware Trust BuildingWilmington · listed 2003
- Delmarva Power and Light BuildingWilmington · listed 1985
- Dilworth HousePort Penn · listed 1973
- Downtown Wilmington Commercial Historic DistrictWilmington · listed 2017
- Dr. John A. Brown HouseWilmington · listed 1979
- Dragon Run FarmKirkwood · listed 1982
- East Brandywine Historic DistrictWilmington · listed 1985
- Eastburn-Jeanes Lime Kilns Historic DistrictNewark · listed 1977
- Eastern Lock of the Chesapeake and Delaware CanalDelaware City · listed 1975
- Edward R. Wilson HouseNewark · listed 1983
- Eighth Street Park Historic DistrictWilmington · listed 1983
- Eighth Street Park Historic District (Boundary Increase)Wilmington · listed 1984
- Eleutherian MillsWilmington · listed 1966
- Elm GrangeOdessa · listed 1985
- England House and MillNewark · listed 1972
- Exchange BuildingNewark · listed 1982
- F. W. Woolworth Company BuildingWilmington · listed 1987
- FairviewDelaware City · listed 1982
- FairviewOdessa · listed 1984
- FairviewOdessa · listed 1985
- FairviewMiddletown · listed 1987
- Fell Historic DistrictWilmington · listed 1983
- Fields HeirsMiddletown · listed 1985
- Fleming HouseSmyrna · listed 1980
- Florence and Isaac Budovitch HouseWilmington · listed 2020
- Foord & Massey Furniture Company BuildingWilmington · listed 2006
- Fort ChristinaWilmington · listed 1966
- Fort Delaware on Pea Patch IslandDelaware City · listed 1971
- Fort Dupont Historic DistrictDelaware City · listed 1999
- Friends MeetinghouseWilmington · listed 1976
- Galloway-Walker HouseNewport · listed 1993
- Garrett Snuff MillYorklyn · listed 1978
- Garrett Snuff Mills Historic DistrictYorklyn · listed 1980
- George Evans HouseNewark · listed 1982
- George Read II HouseNew Castle
- GibraltarWilmington · listed 1998
- Glebe HouseNew Castle · listed 1973
- GlynrichWilmington · listed 1979
- Gov. Benjamin T. Biggs FarmMiddletown · listed 1987
- Govatos'/McVey BuildingWilmington · listed 1985
- Grace United Methodist ChurchWilmington · listed 1983
- Granite MansionNewark · listed 1983
- Grantham-Edwards-McComb HouseNew Castle · listed 2016
- Graves Mill Historic DistrictYorklyn · listed 1979
- Gray, Charles, Printing ShopWilmington · listed 1985
- Green MansionNewark · listed 1983
- Green MeadowOdessa · listed 1992
- Greenbank Historic AreaMarshallton · listed 1973
- Greenbank Historic Area (Boundary Increase)Marshallton · listed 1979
- GreenlawnMiddletown · listed 1973
- Hale-Byrnes HouseStanton · listed 1972
- Harlan and Hollingsworth Office BuildingWilmington · listed 1979
- Hart HouseTaylors Bridge · listed 1973
- Hazel GlenPort Penn · listed 1978
- Head of Christiana United Presbyterian ChurchNewark · listed 1983
- HedgelawnMiddletown · listed 1973
- Henry Townsend BuildingWilmington · listed 1985
- Hersey-Duncan HouseWilmington · listed 1990
- Hickman Blacksmith Shop and HouseMarshallton · listed 1994
- Hickman RowClaymont · listed 2006
- Hill Island FarmOdessa · listed 1992
- Hockessin Friends MeetinghouseHockessin · listed 1973
- Holladay-Harrington HouseGreenville · listed 2004
- Holly OakClaymont · listed 2017
- Holy TrinityWilmington · listed 1966
- Homestead HallTownsend · listed 2018
- House at 901 Mt. Lebanon Rd.Rockland · listed 2017
- Howard High SchoolWilmington · listed 1985
- Huguenot HouseTaylors Bridge · listed 1973
- Idalia ManorMt. Pleasant · listed 1985
- II George Read HouseNew Castle · listed 2017
- Independence MallWilmington · listed 2025
- Iron Hill School No. 112CNewark · listed 1995
- Ivyside FarmClaymont · listed 1982
- J. Eastburn BarnNewark · listed 1986
- J. K. Williams HouseOdessa · listed 1985
- J. Lindsay BarnNewark · listed 1986
- J. M. Gordon HouseOdessa · listed 1985
- J. Mason FarmNewark · listed 1986
- J. McCormack FarmNewark · listed 1986
- J. McDaniel FarmNewark · listed 1986
- J. McIntyre FarmNewark · listed 1986
- J. Stinson FarmNewark · listed 1986
- J. Vandegrift HouseOdessa · listed 1985
- J. Walker FarmNewark · listed 1986
- Jackson-Wilson HouseWilmington · listed 2017
- Jacob Broom HouseMontchanin · listed 1974
- Jacob Dingee HouseWilmington · listed 1970
- James Armor HouseWilmington · listed 1992
- James Morrow HouseNewark · listed 1983
- James Steel HouseNewark · listed 1983
- James Stewart HouseGlascow · listed 1986
- James Stewart Jr. HouseChristina · listed 1983
- John B. Nelson HousePort Penn · listed 1978
- John C. Vansant HouseNewark · listed 1989
- John Evans HouseNewark · listed 1983
- John Lewden HouseChristiana · listed 1979
- Johnson Home FarmTaylor's Bridge · listed 1992
- Johnson-Morris HouseNewark · listed 2011
- Johnson, William Julius "Judy" HouseMarshallton · listed 1995
- Joseph Chandler HouseCentreville · listed 1983
- Joseph Killgore HouseNewport · listed 1993
- Joseph Tatnall HouseNewport · listed 1993
- Joshua Pyle House and Wagon BarnWilmington · listed 1993
- Justis-Jones HouseWilmington · listed 1998
- Killgore HallNewport · listed 1993
- Kingswood Methodist Episcopal ChurchWilmington · listed 1989
- La GrangeGlasgow · listed 1974
- LaurelWilmington · listed 1974
- Lesley-Travers MansionNew Castle · listed 1973
- Lewis Weldin HouseNewport · listed 1993
- Linden HillSt. Georges · listed 1982
- Liston HouseTaylors Bridge · listed 1973
- Liston Range Front LighthouseBay View Beach · listed 2004
- Liston Ranger Rear Light StationPort Penn · listed 1978
- Lobdell Estate, Minquadale HomeWilmington · listed 1973
- Logan HouseWilmington · listed 1980
- Lombardy HallWilmington · listed 1972
- Louis McLane HouseWilmington · listed 1973
- LouviersWilmington · listed 1971
- Lower Louviers and Chicken AlleyWilmington · listed 1972
- Lower Market Street Historic DistrictWilmington · listed 1980
- Lower Market Street Historic District (Boundary Increase)Wilmington · listed 1985
- Lum's Mill HouseKirkwood · listed 1973
- Main Office of the New Castle Leather CompanyWilmington · listed 1985
- Maple Grove FarmMiddletown · listed 1985
- MaplesMiddletown · listed 1978
- Marcus Hook Range Rear LightWilmington · listed 1989
- Marshallton United Methodist ChurchMarshallton · listed 1987
- Masonic Hall and Grand TheaterWilmington · listed 1972
- Max Keil BuildingWilmington · listed 1985
- Max Keil BuildingWilmington · listed 1985
- MayfieldMiddletown · listed 1997
- McCoy HouseKirkwood · listed 1973
- McWhorter HouseOdessa · listed 1985
- Meeteer HouseNewark · listed 1993
- Memorial HallNewark · listed 1982
- MerestoneNewark · listed 1995
- Mermaid TavernNewark · listed 1973
- Meteer Store HouseNewark · listed 1983
- Middletown AcademyMiddletown · listed 1972
- Middletown Historic DistrictMiddletown · listed 1978
- Mill Creek Friends MeetinghouseNewark · listed 1973
- Misty ValeOdessa · listed 1985
- Mitchell-Biden HouseNewark · listed 2025
- Mondamon FarmOdessa · listed 1985
- Montchanin Historic DistrictMontchanin · listed 1978
- MontereyOdessa · listed 1980
- Montgomery HouseWilmington · listed 1988
- Mount CubaGreenville · listed 2003
- Mount Cuba Historic DistrictMount Cuba · listed 1979
- Mount Lebanon Methodist Episcopal ChurchWilmington · listed 1984
- Mount PleasantSmyrna · listed 1992
- Mount Pleasant Methodist Episcopal Church and ParsonageWilmington · listed 1998
- Mt. Airy School No. 27Centreville · listed 1983
- Naaman's Creek SchoolClaymont · listed 1990
- New Castle and Frenchtown Railroad Right-of-WayPorter · listed 1976
- New Castle County Court HouseNew Castle · listed 1972
- New Castle Historic DistrictNew Castle · listed 1967
- New Castle Historic DistrictNew Castle · listed 1984
- New Castle Ice PiersNew Castle · listed 1982
- New Castle Leather Raw Stock WarehouseWilmington · listed 1983
- New Century ClubWilmington · listed 1983
- Newark Opera HouseNewark · listed 1982
- Newark Passenger StationNewark · listed 1982
- Newark Union Church and CemeteryWilmington · listed 2020
- Newport National BankNewport · listed 1993
- Newport Railroad StationNewport · listed 1994
- North Saint Georges Historic DistrictSt. Georges · listed 1995
- NoxontownMiddletown · listed 1973
- Obadiah Dingee HouseWilmington · listed 1970
- Odessa Historic DistrictOdessa · listed 1971
- Odessa Historic District (Boundary Increase)Odessa · listed 1984
- OkolonaMiddletown · listed 1985
- Old Asbury Methodist ChurchWilmington · listed 1976
- Old Brick StoreSmyrna · listed 1973
- Old Cann Mansion HouseKirkwood · listed 1982
- Old College Historic DistrictNewark · listed 1973
- Old CustomshouseWilmington · listed 1974
- Old Drawyers ChurchOdessa · listed 1973
- Old First Presbyterian ChurchNewark · listed 1982
- Old First Presbyterian Church of WilmingtonWilmington · listed 1972
- Old Ford DairyOdessa · listed 1985
- Old Ford Dairy (Boundary Increase)Odessa · listed 1986
- Old Fort ChurchChristiana · listed 1983
- Old Newark Comprehensive SchoolNewark · listed 1982
- Old Post OficeKirkwood · listed 1982
- Old St. Anne's ChurchMiddletown · listed 1973
- Old St. Paul's Methodist Episcopal ChurchOdessa · listed 1982
- Old Town HallWilmington · listed 1974
- Old Town Hall Commercial Historic DistrictWilmington · listed 1985
- Old Union Methodist ChurchBlackbird Crossroads · listed 1973
- Ott's ChapelNewark · listed 1986
- Owl's Nest Country PlaceGreenville · listed 2010
- P. S. Dupont High SchoolWilmington · listed 1986
- Parker's Dairy PalaceNew Castle · listed 2019
- Penn Farm of the Trustees of the New Castle CommonNew Castle · listed 1997
- Pharo HouseMiddletown · listed 1984
- Philip Reading TanneryYiddletown · listed 1978
- Philips-Thompson BuildingsWilmington · listed 1980
- Point FarmKirkwood · listed 1982
- Poplar HallNewark · listed 1988
- Port Penn Historic DistrictPort Penn · listed 1978
- Postles HouseWilmington · listed 1982
- Public School No. 111-CChristiana · listed 1979
- Public School No. 19Wilmington · listed 1984
- Public School No. 29Hockessin · listed 1978
- Pyle, Howard, StudiosWilmington · listed 1978
- Quaker Hill Historic DistrictWilmington · listed 1979
- Quaker Hill Historic District (Boundary Increase)Wilmington · listed 1985
- R. Walker BarnNewark · listed 1986
- Red Clay Creek Presbyterian ChurchNewport · listed 1973
- Reedy Island Range Rear LightTaylor's Bridge · listed 1989
- Retirement FarmOdessa · listed 1985
- Reynold's Candy Company BuildingWilmington · listed 1985
- Rhodes PharmacyNewark · listed 1983
- RiverdaleOdessa · listed 1985
- Riverview Cemetery Company of Wilmington, DelawareWilmington · listed 2012
- Robert Ferguson HouseNewark · listed 1979
- Robert Graham HouseNewark · listed 1997
- Robert Grose HousePort Penn · listed 2001
- Robinson HouseClaymont · listed 1971
- Rockford ParkWilmington · listed 1978
- Rockland Historic DistrictRockland · listed 1972
- RockwoodWilmington · listed 1976
- Rockwood Estate Historic District (Boundary Decrease)Wilmington · listed 2023
- Rodney CourtWilmington · listed 1980
- Rodney Square Historic DistrictWilmington · listed 2011
- RosedaleMiddletown · listed 1985
- RosemontWilmington · listed 2009
- Rotheram Mill HouseNewark · listed 1972
- Rumsey FarmMiddletown · listed 1978
- S. Higgins FarmOdessa · listed 1985
- S. Holton FarmMiddletown · listed 1985
- S. P. Dixon FarmNewark · listed 1986
- Samuel Lindsey HouseMcClellandville · listed 1983
- Savin-Wilson HouseSmyrna · listed 1992
- Schoonover, Frank E., StudiosWilmington · listed 1979
- Scott A.M.E. Zion ChurchWilmington · listed 2024
- Sereck Shallcross HouseOdessa · listed 1973
- Shipley Run Historic DistrictWilmington · listed 1984
- Springer FarmNewark · listed 1986
- Springer-Cranston HouseMarshalltown · listed 1994
- St. Anthony's Roman Catholic ChurchWilmington · listed 1984
- St. Georges Cemetery Caretaker's HouseSt. Georges · listed 1982
- St. Georges Presbyterian ChurchSt. Georges · listed 1984
- St. Hedwig's Roman Catholic ChurchWilmington · listed 1982
- St. James ChurchStanton · listed 1973
- St. John the Baptist Roman Catholic ChurchNewark · listed 1982
- St. Joseph's Catholic ChurchWilmington · listed 2004
- St. Joseph's ChurchMiddletown · listed 1978
- St. Joseph's on the BrandywineGreenville · listed 1976
- St. Mary of the Immaculate Conception ChurchWilmington · listed 1976
- St. Mary's SchoolWilmington · listed 1983
- St. Nicholas Ukrainian Catholic ChurchWilmington · listed 2021
- St. Thomas Episcopal ChurchNewark · listed 1982
- Starl HouseSt. Georges · listed 1982
- Starr HouseWilmington · listed 1971
- STATE OF PENNSYLVANIA (steamboat)Wilmington · listed 1979
- State TheaterNewark · listed 1983
- Stockton-MontmorencyGreenville · listed 2012
- StonumNew Castle · listed 1973
- Strand Millas and Rock SpringMontchanin · listed 1973
- Stuart Randall & Pricilla Kellogg Carswell HouseNewark · listed 2011
- Sutton HouseSt. Georges · listed 1973
- SwanwyckNew Castle · listed 1977
- T. Pierson FarmNewark · listed 1986
- Taylor's Bridge SchoolTownsend · listed 2019
- The Bank of Delaware BuildingWilmington · listed 2026
- The HermitageNew Castle · listed 1973
- Thomas Justis HouseWilmington · listed 1993
- Thomas Phillips Mill ComplexNewark · listed 1983
- Torbert Street Livery StablesWilmington · listed 1998
- Townsend Historic DistrictTownsend · listed 1986
- Trinity Episcopal ChurchWilmington · listed 1984
- U.S. Post Office, Courthouse, and CustomhouseWilmington · listed 1979
- Vandyke-Heath HouseTownsend · listed 1992
- Vernacular Frame HouseSt. Georges · listed 1982
- Village of ArdenWilmington · listed 1973
- W. Casperson HouseSt. Georges · listed 1982
- Walker's Mill and Walker's BankWilmington · listed 1972
- Walnut Green SchoolGreenville · listed 1994
- Walnut LaneNewark · listed 1979
- Water Witch Steam Fire Engine Company No. 5Wilmington · listed 2011
- Wawaset Park Historic DistrictWilmington · listed 1986
- Welsh Tract Baptist ChurchNewark · listed 1973
- Wesley M.E. ChurchMcClellandville · listed 1983
- West 9th Street Commercial Historic DistrictWilmington · listed 2008
- WestonMiddletown · listed 1985
- White Clay Creek Presbyterian ChurchNewark · listed 1973
- White HallBear · listed 1990
- William Morgan FarmNewark · listed 1986
- William Talley HouseWilmington · listed 1985
- William Young HouseRockland · listed 1982
- Williams HouseOdessa · listed 1973
- Wilmington Amtrak StationWilmington · listed 1976
- Wilmington and Western RailroadHockessin and · listed 1980
- Wilmington ClubWilmington · listed 2006
- Wilmington Rail ViaductWilmington · listed 1999
- Wilmington Savings Fund SocietyWilmington · listed 1985
- Wilmington Trust Company BankNewark · listed 1982
- Wilmington YMCAWilmington · listed 2002
- WindsorPort Penn · listed 1992
- Winterthur Museum and GardensWilmington · listed 1971
- Woman's Club of NewportNewport · listed 1993
- Wooddale BridgeWooddale · listed 1973
- Wooddale Historic DistrictNewport · listed 1979
- WoodsideMt. Pleasant · listed 1985
- WoodstockWilmington · listed 1973
- Woodward HousesWilmington · listed 1979
- Wright HouseNewark · listed 1982
- Zachariah Ferris HouseWilmington · listed 1970
Sussex County (137)
- Abbott's MillMilford · listed 1972
- Abbott's Mill (Boundary Increase)Milford · listed 1979
- Adams Home FarmGreenwood · listed 2015
- All Saints' Episcopal ChurchRehoboth Beach · listed 1991
- Ball TheatreMillsboro · listed 2018
- Bethel Historic DistrictBethel · listed 1975
- Blackwater Presbyterian ChurchClarksville · listed 1976
- Brick HotelGeorgetown · listed 1979
- Bridgeville Historic DistrictBridgeville · listed 1994
- Bridgeville Public LibraryBridgeville · listed 1990
- Building at 200-202A High StreetSeaford · listed 1987
- Building at 218 High StreetSeaford · listed 1987
- Building at High and Cannon StreetsSeaford · listed 1987
- Burton Hardware StoreSeaford · listed 1978
- Burton-Blackstone-Carey StoreMillsboro · listed 2014
- Cannon's FerryWoodland · listed 1973
- Capt. Ebe Chandler HouseFrankford · listed 1979
- Carey's Camp Meeting GroundMillsboro · listed 1973
- Carlisle HouseMilford · listed 1982
- Chipman Potato HouseLaurel · listed 1990
- Chipman's MillLaurel · listed 1978
- Col. David Hall HouseLewes · listed 1976
- Coleman HouseLewes · listed 1977
- Collins Potato HouseLaurel · listed 1990
- Cool Spring Presbyterian ChurchLewes · listed 1982
- Cox, J. W., Dry Goods StoreSeaford · listed 1987
- David Robbins HomesteadMilton · listed 2013
- Davis, Robert, FarmhouseMillsboro · listed 1979
- Delaware Breakwater and Lewes HarborLewes · listed 1976
- Dickerson Potato HouseDelmar · listed 1990
- Dinker-Irvin CottageBethany Beach · listed 2017
- Dodd HomesteadRehoboth Beach · listed 1982
- Dr. Dawson HouseMilford · listed 1983
- Dr. John W. Messick House and OfficeGeorgetown · listed 1987
- Draper HouseMilford · listed 1982
- Draper-Adkins HouseMilton · listed 1973
- Edgar and Rachel Ross HouseSeaford · listed 1997
- Egglinton HallMilford · listed 1983
- Ellendale State Forest Picnic FacilityEllendale · listed 1991
- Eratt HouseBridgeville · listed 1983
- Evans-West HouseOcean View · listed 2015
- Fenwick Island Lighthouse StationFenwick Island · listed 1979
- First Broiler HouseGeorgetown · listed 1974
- First National Bank of SeafordSeaford · listed 1987
- Fisher HomesteadLewes · listed 1980
- Fisher's ParadiseLewes · listed 1972
- Fort Miles Historic DistrictLewes · listed 2004
- Gardiner Wright MansionGeorgetown · listed 1979
- Georgetown Coal Gasification PlantGeorgetown · listed 1985
- Godwin SchoolMillsboro · listed 2018
- Gov. James Ponder HouseMilton · listed 1973
- Gov. William H. Ross HouseSeaford · listed 1977
- Grier HouseMilford · listed 1983
- Harmon SchoolMillsboro · listed 1979
- Harmon, Isaac, FarmhouseMillsboro · listed 1979
- Harmony ChurchMillsboro · listed 1979
- Hazzard HouseMilton · listed 1973
- Hearn and Rawlins MillSeaford · listed 1978
- Hearn Potato HouseLaurel · listed 1990
- Hebron Methodist Protestant Church and CemeteryGeorgetown · listed 2015
- Highball SignalDelmar · listed 1973
- Hitch, E. L., Potato HouseLaurel · listed 1990
- Hitchens, Ames, Chicken FarmMillsboro · listed 1979
- Hopkins' Covered Bridge FarmLewes · listed 1991
- Indian Mission ChurchMillsboro · listed 1979
- Indian Mission SchoolMillsboro · listed 1979
- Indian River Life Saving Service StationBethany Beach · listed 1976
- Isaacs & Sons Cold Storage BuildingGeorgetown · listed 2025
- Jesse Robinson HouseSeaford · listed 1982
- Johnson SchoolMillsboro · listed 1979
- Joseph T. Adams HouseGeorgetown · listed 1998
- Judge's House and Law OfficeGeorgetown · listed 1979
- Laurel Historic DistrictLaurel · listed 1988
- LawrenceSeaford · listed 1978
- Lewes Historic DistrictLewes · listed 1977
- Lewes Historic District (Boundary Increase)Lewes · listed 1992
- Lewes Presbyterian ChurchLewes · listed 1977
- Lightship WLV 539Lewes · listed 1989
- Maston HouseSeaford · listed 1975
- Maull HouseLewes · listed 1970
- McColley's ChapelGeorgetown · listed 2011
- Melson HouseAtlanta · listed 1978
- Milford Railroad StationMilford · listed 1983
- Milford Shipyard Area Historic DistrictMilford · listed 1983
- Milton Historic DistrictMilton · listed 2022
- Milton Historic District (Boundary Increase)Milton · listed 2022
- Mispillion Lighthouse and Beacon TowerMilford · listed 1987
- Moore Potato HouseLaurel · listed 1990
- National Harbor of Refuge and Delaware Breakwater Harbor Historic DistrictLewes · listed 1989
- Norwood HouseLewes · listed 1982
- Old Bridgeville Fire HouseBridgeville · listed 1984
- Old Christ ChurchLaurel · listed 1972
- Old Sussex County CourthouseGeorgetown · listed 1971
- Pagan Creek DikeLewes · listed 1973
- Pepper, Carlton, David, FarmGeorgetown · listed 1979
- Perry-Shockley HouseMillsboro · listed 1985
- Peter Marsh HouseRehoboth Beach · listed 1977
- Peter S. Faucett HouseGeorgetown · listed 1985
- Phillips Potato HouseLaurel · listed 1990
- Portsville LighthousePortsville · listed 1987
- Prince George's ChapelDagsboro · listed 1971
- Prospect A.M.E. ChurchGeorgetown · listed 2023
- Ralph Potato HouseLaurel · listed 1990
- Redden Forest Lodge, Forester's House, and StableGeorgetown · listed 1980
- Ricards House-Linden HallBridgeville · listed 1982
- Richard Allen SchoolGeorgetown · listed 2019
- Richards Historic DistrictGreenwood · listed 1983
- Richards MansionGeorgetown · listed 1979
- Rider Potato HouseLaurel · listed 1990
- Ross Point SchoolLaurel · listed 2001
- Scott's StoreBridgeville · listed 1983
- Seaford Station ComplexSeaford · listed 1978
- Short HomesteadGeorgetown · listed 1982
- South Milford Historic DistrictMilford · listed 1983
- Spring BankeClarksville · listed 1976
- Spring GardenLaurel · listed 1982
- St. George's ChapelLewes · listed 1973
- St. John's Methodist ChurchGeorgetown · listed 1990
- St. Luke's Protestant Episcopal ChurchSeaford · listed 1977
- St. Paul's Episcopal ChurchGeorgetown · listed 1979
- Stanley Potato HouseLaurel · listed 1990
- Stella Pepper Gyles HouseGeorgetown · listed 1979
- Sudler HouseBridgeville · listed 1974
- Sussex County Courthouse and the CircleGeorgetown · listed 1973
- Sussex National Bank of SeafordSeaford · listed 1987
- Teddy's TavernEllendale · listed 1991
- Thomas Maull House (Boundary Increase)Lewes · listed 1978
- Thomas Sipple HouseGeorgetown · listed 1985
- Trinity Methodist Episcopal ChurchBridgeville · listed 1978
- Tunnell-West HouseOcean View · listed 2012
- Union Wesley Methodist Episcopal Church ComplexClarksville · listed 2014
- Warren's MillMillsboro · listed 1978
- West Potato HouseDelmar · listed 1990
- West Woods Methodist Episcopal ChurchGumboro · listed 2007
- William Russell HouseLewes · listed 1977
- Woman's Christian Temperance Union FountainRehoboth Beach · listed 2009
- Wright Potato HouseLaurel · listed 1990