6424 California St
San Francisco · Outer Richmond · San Francisco · Coordinates: 37.78406, -122.48659
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 6424 CALIFORNIA ST
Zoning & Land Use
RTO-C — RESIDENTIAL TRANSIT ORIENTED DISTRICT - C (Commercial)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RTO-C (multifamily residential): state law allows ADUs where homes are allowed. On a multifamily lot the state allowance is different: ADUs in non-living space of the building, plus up to eight detached ADUs.
- SB 9: two homes on the lotUnlikely
Zoned RTO-C (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RTO-C (multifamily residential), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Not in a State-mapped fire hazard severity zone
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 0602980111A, effective March 23, 2021
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,345,000 – $1,819,000 · Status: Off market
HUD Metro FMR (San Francisco, CA HUD Metro FMR Area) · FY 2026
Studio $2,485 · 1BR $2,977 · 2BR $3,604 · 3BR $4,604 · 4BR $4,772
Nearby Activity (½ mile radius, since October 2024)
21 active or recent development projects (42 housing units across completed, permitted, and pipeline stages) and 973 total building permits recorded within ½ mile.
- New construction2 permits (10 units)
- Adds housing (ADU)
Developments Deserving Closer Investigation & Active Area Builders
- 478 27th Avenue & 6210 Geary Blvd. (Issued)0.25 mi S
Active in "Issued" for 6.9 yr (first record Dec 9, 2019) with no new permit activity recorded in 3.6 yr. High-impact scale (5 housing units, $1,966,580 declared valuation across 4 permits).
- New commercial building at 6210 Geary Bl (Issued)0.26 mi S
Active in "Issued" for 6.9 yr (first record Dec 9, 2019) with no new permit activity recorded in 3.6 yr. High-impact scale ($1,250,000 declared valuation across 2 permits).
- 2 new homes at 496 Seacliff Ave (Applied)0.35 mi NW
Active in "Applied" for 2 yr (first record Oct 31, 2024) with no new permit activity recorded in 19 mo. High-impact scale (2 housing units, $5,000,000 declared valuation across 2 permits).
- 4 new homes at 342 22nd Ave (Issued)0.35 mi SE
Active in "Issued" for 6.4 yr (first record Jun 4, 2020) with no new permit activity recorded in 4.3 yr. High-impact scale (4 housing units, $1,950,000 declared valuation across 3 permits).
Permit & Project History on This Parcel (3 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202608146601 | Accessory dwelling unit (new or conversion) | filed | App. Sep 8, 2026 | $140,000 | new attached adu unit at 1st level. |
| 202512101372 | Fire alarm / sprinkler | issued | Iss. Dec 11, 2025 | $21,700 | provide volunteer fire sprinkler system (nfpa 13). install (19) new fire sprinklers throughout 2nd floor only and underg… |
| 202510298337 | Plumbing / water heater / sewer | complete | Iss. Oct 29, 2025 | $64,000 | unit # 1: replace existing wall finishes to facilitate installation of electrical and building insulation. no structural… |