100 Winston Dr
San Francisco · West of Twin Peaks · San Francisco · Coordinates: 37.72704, -122.47358
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 100 WINSTON DR
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 5,330 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)
Range: $1,757,000 – $2,377,000 · Status: Off market
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)
10 active or recent development projects (11 housing units across completed, permitted, and pipeline stages) and 524 total building permits recorded within ½ mile.
- New construction1 permit
Developments Deserving Closer Investigation & Active Area Builders
- Stonestown Development Agreement (Entitled)0.19 mi W
Active in "Entitled" for 2.2 yr (first record Aug 24, 2024) with no new permit activity recorded in 2.2 yr. High-impact scale (3,491 housing units, 698 deed-restricted affordable across 0 permits).
- Accessory dwelling unit at 620 Junipero Serra Bl (Applied)330 ft NE
Active in "Applied" for 4.9 yr (first record Nov 22, 2021) with no new permit activity recorded in 4.9 yr.
- Accessory dwelling unit at 285 Moncada Wy (Applied)0.24 mi NE
Active in "Applied" for 2.9 yr (first record Nov 30, 2023) with no new permit activity recorded in 2.3 yr.
- 2 new homes (Entitled)0.29 mi NE
Active in "Entitled" for 18 mo (first record May 7, 2025) with no new permit activity recorded in 18 mo.
Permit & Project History on This Parcel (4 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202607094764 | Accessory dwelling unit (new or conversion) | filed | App. Aug 24, 2026 | $120,000 | 398 sf garage conversion into jadu. separate application for kitchen remodel/alterations |
| 202607134915 | Accessory dwelling unit (new or conversion) | issued | Iss. Aug 11, 2026 | $110,000 | kitchen remodel to remove walls, remove and replace countertops, adding columns, new windows, adding mep fixtures. remov… |
| 202601164016 | Windows / doors / siding | complete | Iss. Jan 16, 2026 | $29,383 | replace 16 windows with retrofit vinyl windows. street visible. no change to size or location. u factor <.28. 354 sqft |
| 202407096064 | Roof replacement | complete |