- California Real Estate Inspection Association (CREIA)
- Call
- Call Option
- Can Light
- Can Lights
- Canada Mortgage and Housing Corporation (CMHC)
- Cancellation Clause
- Cantilever
- Cap
- Cape Cod Style
- Capital
- Capital Expenditure
- Capital Gain
- Capital Gains Tax
- Capital Improvement
- Capitalization
- Capitalization Rate
- Caravan
- Carport
- Carriage House
- Carryback Financing
- Casement Window
- Cash Flow
- Cash-out Refinance
- Cashier's Check
- Casing
- Cathedral Ceiling
- Caulk
- Caveat
- Caveat Emptor
- Cavedium
- Ceiling Fan
- Ceiling Height
- Center Mullion
- Central Air Conditioning
- Central Business District
- Certificate Of Deposit (CD)
- Certificate Of Deposit Index
- Certificate Of Eligibility
- Certificate Of Occupancy