Parcel Context · Public-Records Property BriefBlock/lot 6723/018
240 Bosworth St
San Francisco · Outer Mission · San Francisco · Coordinates: 37.73359, -122.42932
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 240 BOSWORTH ST; 242 BOSWORTH ST
Zoning & Land Use
RH-2 — RESIDENTIAL- HOUSE, TWO FAMILY (Residential)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RH-2 (two-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotUnlikely
Zoned RH-2 (two-family residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RH-2 (two-family 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
ACS 2020–2024 Median Gross Rent (Outer Mission):$2,074±$167 Source: ACS 2020–2024 5-year estimates. Geography: Outer Mission.
ACS 2020–2024 Median Home Value (Outer Mission):$1,272,000±$42,000 Source: ACS 2020–2024 5-year estimates. Geography: Outer Mission.
Nearby Activity (½ mile radius, since October 2024)
25 active or recent development projects (32 housing units across completed, permitted, and pipeline stages) and 891 total building permits recorded within ½ mile.
- New construction1 permit (4 units)
- Adds housing (ADU)20 permits (25 units)
- Demolition4 permits
- Additions & renovations263 permits
- Building systems489 permits
- Repairs39 permits
- Other75 permits
Permit & Project History on This Parcel (3 permits, 1 grouped projects)
Accessory dwelling unit at 240 Bosworth StStage: Issued · 1 units · $185,000 declared valuation · Last record Jul 7, 2026
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202610239808 | Plan revision / deferred submittal | filed | App. Oct 23, 2026 | $5,000 | foundation revision to approved permit # 202603046910 to accommodate site condition. |
| 202603046910 | Accessory dwelling unit (new or conversion) | issued | Iss. Jul 7, 2026 | $185,000 | modifications to an (e) multi-unit building. convert the (e) 2 car garage into an adu-one bedroom, one bath of 516sf per… |
| 201608054329 | Roof replacement | complete | Iss. Aug 5, 2016 | $21,150 | reroofing |