- Building permit
- Demolition permit
- Electrical permit
- Grading permit
- Plumbing permit
- Septic permit
- Zoning Use permit
- A/C
- A/C Condenser
- A/C Disconnect
- Aerator
- Aggregate
- Air space
- Allowance(s)
- Amortization
- Anchor bolts
- Annual Percentage Rate (APR)
- Appraisal
- Apron
- Architect
- Area wells
- Assessment
- Assumption
- Astragal
- Attic access
- Attic Ventilators
- Back Charge
- Backfill
- Backing
- Backout
- Ballast
- Balloon
- Balloon framed wall
- Balusters
- Balustrade
- Barge board
- Barge
- Base or baseboard
- Base shoe
- Basement window inserts