649 Duncan St
San Francisco · Noe Valley · San Francisco · Coordinates: 37.74540, -122.43442
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 649 DUNCAN ST
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 2,847 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 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)
Range: $1,700,000 – $2,300,000 · 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)
46 active or recent development projects (66 housing units across completed, permitted, and pipeline stages) and 1,369 total building permits recorded within ½ mile.
- New construction3 permits (9 units)
Developments Deserving Closer Investigation & Active Area Builders
- New home at 649 Duncan St (Issued)On this parcel
Active in "Issued" for 5.2 yr (first record Aug 18, 2021) with no new permit activity recorded in 2.3 yr. High-impact scale (1 housing unit, $2,312,529 declared valuation across 1 permit).
- Accessory dwelling unit at 729 Duncan St (Issued)0.11 mi W
Active in "Issued" for 4.8 yr (first record Jan 19, 2022) with no new permit activity recorded in 2.2 yr. High-impact scale (1 housing unit, $1,397,000 declared valuation across 1 permit).
- New home at 474 Valley St (Issued)0.11 mi SE
Active in "Issued" for 6.7 yr (first record Jan 31, 2020) with no new permit activity recorded in 2 yr. High-impact scale (1 housing unit, $878,907 declared valuation across 5 permits).
- 7 new homes at 556 27th St (Issued)0.12 mi NE
Active in "Issued" for 10 yr (first record Oct 28, 2016) with no new permit activity recorded in 19 mo. High-impact scale (7 housing units, $4,839,133 declared valuation across 1 permit).
Permit & Project History on This Parcel (1 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202108186690 | New single-family home | issued | Iss. Jul 16, 2024 | $2,312,529 | to erect a type 5a, four-story over garage, single family dwelling building with basement on an existing vacant lot. |
State HCD Housing Element APR records on this parcel: 1 entry (report years 2024).