- Barnes, Edward Larrabee, 1915-20041
- Barnes, Rosa, 1867-194911
- Barnett, Harold A1
- Barnett, Jonathan1
- Barnsdall, Aline, 1882-1946192
- Barocas and Dwoskin1
- Baron and Lutzky3
- Barr, Irons and Lane, Inc.6
- Barrons Manufacturing Co.1
- Barry, Joseph A.1
- Barstow-Grace Apartments, Inc.1
- Barta Realty Corp.1
- Barthel-Bouchier, Diane L., 1949-1
- Bartholdi, Frédéric Auguste (1834-1904)1
- Bartlet, John, active 1606-16101
- Barton, Delta, 1859-19371
- Barton, George, 1847-19291
- Bartók, Béla, 1881-19452
- Baruch, Steve1
- Barwick, Kent2
- Bass, Eric (Fashion designer)1
- Bassett, Effie, 1867-19486
- Bassett, Howard, 1861-19176
- Bastine and Co., Inc.2
- Bates, Allan Bradley4
- Bauch & Sons Company1
- Baur, Theodore, 1834-18941
- Bawo & Dotter5
- Baxter Building Corp.1
- Baxter, Anne4
- Baxton Realty Corp.2
- Bay Plaza Apartments, Inc.1
- Bay Ridge Development Corp.1
- Bay Shore Gardens, Inc.1
- Bay Shore Manor, Inc.1
- Bay St. Landing Associates2
- Baybrooke Realty Corp.1
- Bayle, Lacoste & Co.1
- Bayley, John Barrington, 1914-19813
- Bazett, Louise, 1913-23
- Bazett, Sidney, 1901-198323
- Beach 22 St. Holding Corp.1
- Beach Property Corp.1
- Beachy, Peter, 1859-194568
- Beachy, Susan, 1864-194168
- Beacon Falls Rubber Shoe Co.2
- Bean & Rabe1
- Bearden & Foreman7
- Beards & Cummings1
- Beardsley, John1
- Beatles1
- Beaumont Development Corp.1
- Beauridge Realty Corp.1
- Beaver, Victor2
- Beck, Letty J.2
- Becker, Samson V.22
- Beckman, Ronald H.1
- Beckstead, L.M.9
- Bedell, Louis R1
- Bedford Lenox Corp.1