Parcel Context · Public-Records Property BriefBlock/lot 0951/025
2637 Union St
San Francisco · Marina · San Francisco · Coordinates: 37.79589, -122.44271
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 2637A UNION ST; 2637 UNION 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 0602980112A, 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 (Marina):$3,276±$150 Source: ACS 2020–2024 5-year estimates. Geography: Marina.
ACS 2020–2024 Median Home Value (Marina):$2,000,000+ Source: ACS 2020–2024 5-year estimates. Geography: Marina.
Nearby Activity (½ mile radius, since October 2024)
23 active or recent development projects (27 housing units across completed, permitted, and pipeline stages) and 1,471 total building permits recorded within ½ mile.
- New construction1 permit (2 units)
- Adds housing (ADU)14 permits (14 units)
- Demolition2 permits
- Additions & renovations536 permits
Permit & Project History on This Parcel (1 permits, 1 grouped projects)
Accessory dwelling unit at 2637 Union StStage: Issued · 1 units · $1,012,058 declared valuation · Last record Jul 23, 2026
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 201801088000 | Accessory dwelling unit (new or conversion) | issued | Iss. Jul 23, 2026 | $1,012,058 | increase entry lvl height by raising ground lvl wall by 1'-0"; convert entry lvl suite to 2nd dwelling unit; replace (e)… |