All - Constructed - 1880–1889
| Baker, Samuel, House |
| Ballard Road Covered Bridge |
| Baltimore and Ohio Transportation Museum and Mount Clare Station |
| Baltimore Block |
| Bamberger, Simon, House |
| Bandy Farms Historic District |
| Bankers Loan and Trust Company Building |
| Bank of Oberlin |
| Bank of the Iroquois Building |
| Bardsley, Dr. William, House |
| Bardwell-Ferrant House |
| Bardwell's Ferry Bridge |
| Barnett, R. T., and Company Building |
| Barr, Amelia, House |
| Barrett-Homer-Larsen Farmstead |
| Barrett, Richard, House |
| Bartlett Roundhouse |
| Bartlett's Bridge |
| Barton, Welborn 'Doc', House |
| Basilica of St. Francis Xavier, Church and Rectory |
| Batts House and Outbuildings |
| Baxter, H. H., Memorial Library |
| Bayley House |
| Beacon Engine Company No. 1 Firehouse |
| Beakes, John G., House |
| Bean Blossom Covered Bridge |
| Beattie, Jeremiah, House |
| Beaumont St. Louis and San Francisco Railroad Retention Pond |
| Beaumont St. Louis and San Francisco Railroad Water Tank |
| Behunin, Elijah Cutler, Cabin |
| Belden, C. A., House |
| Bell County Courthouse |
| Bellemont Mill Village Historic District |
| Bell, John, Block |
| Beloit Water Tower |
| Bennett, Abel, Tract Historic District |
| Bennington Battle Monument |
| Bennington Falls Covered Bridge |
| Bentley, Matthew R., House |
| Bergdoll Mansion |
| Berkshie Mill No. 1 |
| Bernard, Joseph D., House |
| Bernard's Ferry |
| Berquist & Nelson Drugstore Building |
| Best's Covered Bridge |
| Bethel AME Church |
| Bethel Chapel AME Church |
| Bethel College Administration Building |
| Beulah Cemetery |
| Bigelow Block |
| Bigelow, Charles H., House |
| Bigelow, Dr. Henry Jacob, House |
| Birches, The |
| Bishop, Bernice P., Museum |
| Bishop House |
| Bishop Marty Rectory |
| Bishop West Barn |
| Bisson, Abraham, House |
| Blackburn, Dr. William and Elizabeth, House |
| Blackstock, Thomas M. and Bridget, House |
| Black, William L., House |
| Blackwood Covered Bridge |
| Bliss Building |
| Block 35 Cobblestone Alley |
| Boger-Hartsell Farm |
| Bohart House |
| Bonderson, Ben, Farm |
| Bond, Frank, House |
| Borden, A.J., Building |
| Borden, Ariadne J. and Mary A., House |
| Boston Manufacturing Company Housing |
| Boston Public Library |
| Boston Store |
| Boyer, Alexis, House |
| Boylston Building |
| Boyter, Alexander, House |
| Boyter, James, House |
| Brackett, S. E., House |
| Bradford House |
| Bradlee School |
| Brande House |
| Brandenburg House |
| Brandhoefer, Leonidas A., Mansion |
| Brandt Hotel |
| Bransford, Thomas Leroy, House |
| Brattle Hall |
| Brewer, David J., House |
| Brewster Building |
| Brewster County Courthouse and Jail |
| Brick Gothic House |
| Bridge in Cherrytree Township |
| Bridge L-158 |
| Bright, John, Covered Bridge |
| Brightside Apartments |
| Brightwood Beach Cottage |
| Brigman-Chambers House |
| Brinegar Cabin |
| Brinker Collegiate Institute |
| Bristol County Superior Court |
| Brittany Apartment Building |
Data from United States Park Service and Wikidata
