6571 Thornhill Dr

Parcel & Assessor

Lot size:

13,227 sq ft (0.30 ac)

Assessor use:

Vacant residential land, zoned 4 units or less

Tax rate area:

17

Addresses on lot:

6571 THORNHILL DR

State Housing Pathways Screen (ADU & SB 9)

• ADU or junior ADUPossible, with conditions

  Zoned RH-3 (single-family residential): state law allows ADUs where homes are allowed. We read RH-3 from the zoning code's name; we haven't checked it against Oakland's code text. The assessor lists the lot as vacant: an ADU needs an existing or proposed main home. 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 RH-3, a single-family residential zone. We read RH-3 from the zoning code's name; we haven't checked it against Oakland's code text. 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.

• SB 9: split into two lotsPossible, with conditions

  Zoned RH-3, a single-family residential zone. We read RH-3 from the zoning code's name; we haven't checked it against Oakland's code text. The lot is 13,227 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.

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 06001C0080G, effective August 3, 2009

CGS Alquist-Priolo Earthquake Fault Zone

Not in an Alquist-Priolo Earthquake Fault Zone

Surrounding Rent & Value Benchmarks (Public Records)

Nearby Activity (½ mile radius, since —)

8 active or recent development projects (8 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.