- Course
- Cove molding
- Crawl space
- Credit rating
- Cricket
- Cripple
- Cross bridging
- Cross Tee
- Crown molding
- Culvert
- Cupping
- Curb stop
- Curb
- Cut
- Dado
- Damper
- Dampproofing
- Daylight
- Dead bolt
- Dead light
- Deck, decked
- Dedicated circuit
- Default
- Dehumidistat
- Delamination
- Disconnect
- Discount rate
- Door operator
- Door stop
- Doorjamb, interior
- Dormer
- Double glass
- Double hung window
- Down payment
- Downspout
- Drain tile
- Draw
- Drip
- Drip cap
- Dry in