216 Trinity Ave

Parcel & Assessor

Lot size:

6,045 sq ft (0.14 ac)

Assessor use:

Single Family, 1 residence on 1 site, with or without

Tax rate area:

85064

Addresses on lot:

216 TRINITY AVE

State Housing Pathways Screen (ADU & SB 9)

• ADU or junior ADUPossible, with conditions

  Zoned R-6 (single-family residential): state law allows ADUs where homes are allowed. Very High Fire Hazard Severity Zone covers all of the lot: cities may limit ADUs here for fire safety and evacuation.

• SB 9: two homes on the lotPossible, with conditions

  Zoned R-6, a single-family residential zone. Very High Fire Hazard Severity Zone (local responsibility area) covers all of the lot: SB 9 requires the project to meet the fire hazard mitigation standards. Alquist-Priolo Earthquake Fault Zone covers about 71% of the lot: the project must meet the seismic building standards, and a fault study is usually required.

• SB 9: split into two lotsPossible, with conditions

  Zoned R-6, a single-family residential zone. The lot is 6,045 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original. Very High Fire Hazard Severity Zone (local responsibility area) covers all of the lot: SB 9 requires the project to meet the fire hazard mitigation standards. Alquist-Priolo Earthquake Fault Zone covers about 71% of the lot: the project must meet the seismic building standards, and a fault study is usually required.

Mapped Hazard Zones on This Lot

CAL FIRE Fire Hazard Severity Zone

Very High Fire Hazard Severity Zone (Local Responsibility Area) (all of the lot, map Mar 24, 2025)

FEMA National Flood Hazard Layer

Zone X: minimal flood hazard (all of the lot) · FIRM panel 06013C0242G, effective September 30, 2015

CGS Alquist-Priolo Earthquake Fault Zone

Alquist-Priolo Earthquake Fault Zone (Richmond quadrangle) (about 71% of the lot)

Surrounding Rent & Value Benchmarks (Public Records)

Nearby Activity (½ mile radius, since —)

12 active or recent development projects (12 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.