- Government National Mortgage Association
- GPM (graduated-payment Mortgage)
- Grace Period
- Grade
- Grade Level
- Graduate Realtor® Institute (GRI)
- Graduated-payment Mortgage
- Granny Flat
- Grantee
- Grantor
- Greek Revival Style
- Greenbelt
- Gross Debt Service Ratio (GDS)
- Gross Income
- Ground Fault Circuit Interrupter
- Ground Rent
- Group Home
- Grout
- Growing-equity Mortgage
- Guarantee Mortgage