Barrios de Pennsylvania B
- Banksville (3)
- Bath Historic District (1)
- Bayfront (3)
- Bedford Dwellings (3)
- Beechview (29)
- Bell Acres/Leetsdale (1)
- Bella Vista-Southwark (136)
- Belmont (14)
- Bethany (1)
- Biery's Port Historic District (1)
- Bloomfield (39)
- Bon Air (4)
- Braddock Hills-Forest Hills (14)
- Brentwood-Baldwin (9)
- Brewerytown (94)
- Bridesburg (4)
- Brighton Heights (16)
- Buckman Village (1)
- Bunker Hill (1)