149 Mangels Ave
San Francisco · West of Twin Peaks · San Francisco · Coordinates: 37.73287, -122.44076
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 149 MANGELS AVE
Zoning & Land Use
RH-1 — RESIDENTIAL- HOUSE, ONE FAMILY (Residential)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RH-1 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned RH-1, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned RH-1, a single-family residential zone. The lot is 2,501 sq ft on the parcel map, room for two lots of at least 1,200 sq ft, each at least 40% of the original.
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 0602980230A, 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)
18 active or recent development projects (18 housing units across completed, permitted, and pipeline stages) and 904 total building permits recorded within ½ mile.
- Adds housing (ADU)16 permits (16 units)
- Additions & renovations278 permits
- Building systems495 permits
- Repairs38 permits
Developments Deserving Closer Investigation & Active Area Builders
- New home at 149 Mangels Ave (Issued)On this parcel
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).
- New home at 1247 Bosworth St (Issued)0.2 mi N
Active in "Issued" for 9.9 yr (first record Dec 2, 2016) with no new permit activity recorded in 4.2 yr. High-impact scale (1 housing unit, $1,093,349 declared valuation across 2 permits).
- 5 new homes at 1786 San Jose Ave (Applied)0.25 mi S
Active in "Applied" for 7.3 yr (first record Jul 19, 2019) with no new permit activity recorded in 6.7 yr. High-impact scale (5 housing units, $3,640,657 declared valuation across 2 permits).
- New home at 1317 Bosworth St (Applied)0.27 mi N
Active in "Applied" for 4.4 yr (first record Jun 8, 2022) with no new permit activity recorded in 4.4 yr. High-impact scale (1 housing unit, $977,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (3 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202510308540 | Fire alarm / sprinkler | complete | Iss. Oct 30, 2025 | $11,330 | install a new dedicated system (sprinkler monitoring) per nfpa 72-2022 section 23.8.5.5.1 with one fire alarm control un… |
| 202505196740 | Fire alarm / sprinkler | complete | Iss. May 19, 2025 | $37,600 | install new fire sprinkler system per nfpa 13r thrughout building, included 2" combo & 1 1/4 underground fire service. t… |
| 201607122060 | New single-family home | issued | Iss. Nov 5, 2019 | $800,000 | erect 3-story, no basement, single family dwelling. sprinkler under 13r and sprinkler monitoring under sep permits. |
State HCD Housing Element APR records on this parcel: 1 entry (report years 2021).