Parcel Context · Public-Records Property BriefBlock/lot 1336/009
2140 Lake St
San Francisco · Seacliff · San Francisco · Coordinates: 37.78614, -122.48262
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 2140A LAKE ST; 2140 LAKE ST
Zoning & Land Use
RH-1(D) — RESIDENTIAL- HOUSE, ONE FAMILY- DETACHED (Residential)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RH-1(D) (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned RH-1(D), a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned RH-1(D), a single-family residential zone. The lot is 5,444 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 0602980111A, 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 (Seacliff):$3,309±$734 Source: ACS 2020–2024 5-year estimates. Geography: Seacliff.
ACS 2020–2024 Median Home Value (Seacliff):$2,000,000+ Source: ACS 2020–2024 5-year estimates. Geography: Seacliff.
Nearby Activity (½ mile radius, since October 2024)
22 active or recent development projects (113 housing units across completed, permitted, and pipeline stages) and 921 total building permits recorded within ½ mile.
- New construction2 permits (84 units)
- Adds housing (ADU)16 permits (22 units)
- Demolition1 permit
- Additions & renovations304 permits
Permit & Project History on This Parcel (3 permits, 1 grouped projects)
Accessory dwelling unit at 2140 Lake StStage: Issued · 1 units · $250,000 declared valuation · Last record Jul 28, 2026
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202512081166 | Accessory dwelling unit (new or conversion) | issued | Iss. Jul 28, 2026 | $250,000 | convert 848 sf to adu: 1bed/1bth, replace windows in-kind,enlarge bedroom windows, (e) kitchen remodel, remodel (e) bath… |
| 202602236343 | Remodel / interior alteration | issued | Iss. Feb 24, 2026 | $40,000 | amend to 202510227916: renovate 1/f: remodel 1 bedroom & 1 (e) bathroom - plumb/elect. enlarge closet; add new heating i… |
| 202510227916 | Remodel / interior alteration | issued | Iss. Oct 22, 2025 | $100,000 | 2nd level: kitchen remodel with light electric, 3rd level: 2 baths remodel, and add closets to bedrooms 1 and 2 |