3334 San Bruno Ave
San Francisco · Portola · San Francisco · Coordinates: 37.71965, -122.40084
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 3334 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)
Range: $1,413,000 – $1,911,000 · 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)
26 active or recent development projects (32 housing units across completed, permitted, and pipeline stages) and 476 total building permits recorded within ½ mile.
- New construction1 permit (1 units)
- Adds housing (ADU)20 permits (24 units)
Developments Deserving Closer Investigation & Active Area Builders
- 2861-2865 San Bruno Ave (Entitled)0.43 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).
- Accessory dwelling unit at 3338 San Bruno Ave (Applied)110 ft 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).
- 3 new homes at 6625 03rd St (Issued)0.2 mi SE
Active in "Issued" for 7.7 yr (first record Jan 31, 2019) with no new permit activity recorded in 3 yr. High-impact scale (3 housing units, $1,800,000 declared valuation across 5 permits).
- New duplex at 3307 Jennings St (Issued)0.29 mi E
Active in "Issued" for 4.1 yr (first record Sep 26, 2022) with no new permit activity recorded in 2.4 yr. High-impact scale (2 housing units, $750,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (9 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202603026795 | Roof replacement | complete | Iss. Mar 2, 2026 | $12,800 | re-roofing (w/ torch) |
| 202512242640 | Accessory dwelling unit (new or conversion) | issued | Iss. Dec 24, 2025 | $10,559 | modify existing fire sprinkler system for the new adu and remodel ground and 1st fl. total 17 heads. ref pa# 2021-0706-3… |
| 202511260537 | Plumbing / water heater / sewer | complete | Iss. Nov 26, 2025 | $40,000 | apt 1: replace cabinets and plumbing fixture. no moving of walls or doors. |
| 202107063800 | Accessory dwelling unit (new or conversion) | complete | Iss. Mar 25, 2025 |