3180 San Bruno Ave
San Francisco · Portola · San Francisco · Coordinates: 37.72183, -122.40153
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 3180 SAN BRUNO AVE
Zoning & Land Use
RM-1 — RESIDENTIAL- MIXED, LOW DENSITY (Residential)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RM-1 (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 RM-1 (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RM-1 (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 0602980232A, effective March 23, 2021
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
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)
26 active or recent development projects (32 housing units across completed, permitted, and pipeline stages) and 449 total building permits recorded within ½ mile.
- New construction1 permit (1 units)
- Adds housing (ADU)19 permits (23 units)
- Additions & renovations112 permits
- Building systems243 permits
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 3180 San Bruno Ave (Issued)On this parcel
Active in "Issued" for 10 yr (first record Nov 4, 2016) with no new permit activity recorded in 4.5 yr.
- 2861-2865 San Bruno Ave (Entitled)0.27 mi N
Active in "Entitled" for 3.5 yr (first record May 4, 2023) with no new permit activity recorded in 3.5 yr. High-impact scale (18 housing units, 4 deed-restricted affordable across 0 permits).
- Mixed-use development at 770 Woolsey St (Applied)0.43 mi W
Active in "Applied" for 4.9 yr (first record Nov 18, 2021) with no new permit activity recorded in 3.4 yr. High-impact scale (62 housing units, 11 deed-restricted affordable, $300,000 declared valuation across 52 permits).
- Accessory dwelling unit at 3338 San Bruno Ave (Applied)0.18 mi S
Active in "Applied" for 3.3 yr (first record Jul 24, 2023) with no new permit activity recorded in 3.3 yr. High-impact scale (2 housing units, $2,000,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (8 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202601093569 | Remodel / interior alteration | complete | Iss. Jan 20, 2026 | $1 | to obtain final inspection for work approved under permit 201611042021. all work is complete. |
| 202512030877 | Remodel / interior alteration | complete | Iss. Dec 4, 2025 | $1 | as built change log to permit 202311019951 & 201611042021. corrected g/f rooms number unit a,b,c,d,e,f. corrected 2/f un… |
| 202505156574 | Fire alarm / sprinkler | issued | Iss. May 29, 2025 | $1 | revise of pa# 202406265298 fire sprinklers water supply line per nfpa 13 & 14 |
| 202406265298 | Fire alarm / sprinkler | complete | Iss. Jun 26, 2024 |