All - Constructed - 1840–1849
| 1841 Goshen Courthouse |
| Abington Farm |
| Ackerville Baptist Church of Christ |
| Adams, Charles-Woodbury Locke House |
| Adams-Gray House |
| Adams, Seth, House |
| Adams Street Double House |
| Admiral's House |
| Albania Plantation House |
| Aldrich, Royal, House |
| Alexander, Arad, House |
| Alkire House |
| Allegheny Baptist Church |
| Allegheny Cemetery |
| Allen, Nathaniel Topliff, Homestead |
| All Saints Episcopal Church |
| American Hotel |
| American Printing Co. and Metacomet Mill |
| Ames Manufacturing Company |
| Angier, John B., House |
| Antrim |
| Appleby's Methodist Church |
| Applegate-Fisher House |
| Arden |
| Arlington |
| Armory of the Kentish Guards |
| Armstrong House |
| Asbury Methodist Episcopal Church |
| Ash Hill |
| Ashleigh |
| Aspen Hill |
| Atlantic Avenue Tunnel |
| Autrey House |
| Avery-Hunter House |
| Bacon-Harding Farm |
| Bailey, Dr. Isham G., House |
| Baldwin, Maria, House |
| Bale Mill |
| Barleywood |
| Barnes, Gen. Joshua, House |
| Barracks, Virginia Military Institute |
| Barret House |
| Barrett-Faulkner House |
| Barrington Hall |
| Batchelder, Alden, House |
| Beard, Josiah, House |
| Bearse, Capt. Oliver, House |
| Beck, William King, House |
| Beeks, Silas Jacob N., House |
| Bellefontaine Cemetery |
| Belle Isle Park |
| Bellevue |
| Belmont Club/John Young House |
| Bergeron, Jean Baptiste, House |
| Bermuda Hill |
| Berry, Captain James, House |
| Bethel African Methodist Episcopal Church |
| Bigelow, Henry, House |
| Big Sandy Milling Company |
| Bird/Boyd Farm House |
| Bishop Hill Historic District |
| Bishopstead |
| Blair Presbyterial Academy |
| Bloomer, Amelia, House |
| Blythewood |
| Boardman-Mitchell House |
| Boerum Hill Historic District |
| Bonaventure Cemetery |
| Boonton Public Library |
| Booth-Dunham Estate |
| Bound Brook Station |
| Bowers School |
| Bowman, Jacob, House |
| Boyd-Wilson Farm |
| Brackett House |
| Brandon Plantation |
| Bray-Barron House |
| Bridge in Albany Township |
| Brightly |
| Bristol Town Hall |
| Brook Farm |
| Brooks, Harold C., House |
| Brooks, Solomon Neill House |
| Brower, Abraham, House |
| Brower, Adolph, House |
| Buchwalter House-Applethorpe Farm |
| Buckman, Twing, House |
| Buenna Hill |
| Building at 102-104 Inman Street |
| Building at 106-108 Inman St |
| Bunker Hill Monument |
| Burch-Mitchell House |
| Burt, William, House |
| Butler Street Gatehouse |
| Calliham Plantation House |
| Camden County Courthouse |
| Campbell, Dr. John Owen, House |
| Cape San Blas Lighthouse at Port St. Joe |
| Carlen House |
| Carriger, Nicholas, Estate |
Data from United States Park Service and Wikidata
