- Bachelor Apartment
- Back End Ratio
- Back Title Letter
- Back Title Letter (or Certificate)
- Back-End Ratio
- Back-to-Back Escrow
- Backerboard
- Backfill
- Backsplash
- Backup Contract
- Backup Offer
- Backwater Valve
- Baffle
- Balance
- Balance Sheet
- Ball Cock
- Ballcock Assembly
- Balloon (Loan) Mortgage
- Balloon Loan
- Balloon Payment
- Balloon-Frame Construction
- Baluster
- Balustrade
- Bankrupt
- Bankruptcy
- Bargain Sale
- Base Loan Amount
- Base Rent
- Baseboard
- Baseboard Electric Heat
- Basement
- Basis Point
- Batten
- Bay
- Bay Window
- Bearer Instrument
- Bearing Wall
- Bedroom Community
- Before-Tax Cash Flow
- Before-Tax Income
- Below-Market Interest Rate (BMIR)
- Benchmark
- Beneficiary
- Bequeath
- Bequest
- Berm
- Betterment
- Bi-Level
- Bi-Metal Coil
- Biannual
- Bid
- Bid Out
- Bidding War
- Biennial
- Bilateral Contract
- Bill Of Sale
- Binder
- Biweekly Loan or Mortgage
- Biweekly Mortgage
- Blanket Insurance Policy
- Blanket Mortgage
- Blended Mortgage
- Blended Rate
- Blighted Area
- Blind Nailing
- Blockbusting
- Blue-Ribbon Condition
- Blue-Sky Laws
- Blueprint
- Board And Batten
- Board Foot
- Board of Equalization
- Board-and-Batten Siding
- Boiler Plate
- Boilerplate
- Bona Fide
- Bond
- Bonus Room
- Book Value
- Boot
- Boring Test
- Borough
- Borrow
- Borrow Pit
- Borrower (Mortgagor)
- Bottomland
- Boulevard
- Boundary
- Braced Framing
- Bracing
- Branch Circuit
- Breach of Contract
- Breach of Covenant
- Breach of Warranty
- Break-even Point
- Breezeway
- Brick
- Brick Veneer
- Bridge Financing
- Bridge Loan
- British Theraml Unit (BTU)
- Broker
- Brokerage
- Broom Clean
- Brownstone
- Buffer Strip
- Buildability
- Builder Upgrades
- Building And Loan Association
- Building Code
- Building Codes
- Building Inspector
- Building Line or Setback
- Building Moratorium
- Building Paper
- Building Permit
- Building Restrictions
- Built-ins
- Bulkhead
- Bundle of Rights
- Bungalow
- Butt
- Butterfly Roof
- Buydown Mortgage
- Buyer’s Agent
- Buyer’s Broker
- Buyer’s Market
- Buyer’s Remorse
- Buyers Resource Real Estate
- Buyers’ Home Finding Network
- Bylaws