179 Brompton Ave
San Francisco · West of Twin Peaks · San Francisco · Coordinates: 37.73275, -122.43512
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 179A BROMPTON AVE; 179 BROMPTON AVE
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 0602980231A, 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)
24 active or recent development projects (29 housing units across completed, permitted, and pipeline stages) and 873 total building permits recorded within ½ mile.
- Adds housing (ADU)20 permits (25 units)
- Demolition1 permit
- Additions & renovations282 permits
- Building systems459 permits
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 179 Brompton Ave (Issued)On this parcel
Active in "Issued" for 7 yr (first record Oct 11, 2019) with no new permit activity recorded in 5.8 yr.
- 39 new homes (Entitled)0.34 mi SE
Active in "Entitled" for 3.3 yr (first record Jul 13, 2023) with no new permit activity recorded in 3.3 yr. High-impact scale (39 housing units, 8 deed-restricted affordable across 0 permits).
- New home at 49 Sussex St (Issued)0.27 mi N
Active in "Issued" for 10.1 yr (first record Sep 16, 2016) with no new permit activity recorded in 2.9 yr. High-impact scale (1 housing unit, $2,000,000 declared valuation across 1 permit).
- New home at 149 Mangels Ave (Issued)0.31 mi W
Active in "Issued" for 10.3 yr (first record Jul 12, 2016) with no new permit activity recorded in 5.1 yr. High-impact scale (1 housing unit, $800,000 declared valuation across 4 permits).
Permit & Project History on This Parcel (5 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202404039228 | General repair | issued | Iss. Apr 3, 2024 | $10,450 | voluntary seismic retrofit |
| 201910114333 | Accessory dwelling unit (new or conversion) | issued | Iss. Jan 12, 2021 | $130,000 | horizontal expansion for adu,stairs & deck above. add ground level extension of 12'-0". addition 276 sq feet. new decks.… |
| 201910114331 | Accessory dwelling unit (new or conversion) | issued | Iss. Jan 12, 2021 | $50,000 | convert part of existing garage to an adu per ordinance 95-17. 1-story horizontal addition for adu under bpa #2019-1011-… |
| 201806273137 | Electrical / panel | complete | Iss. Jul 13, 2018 |