300 De Haro St
San Francisco · Mission Bay · San Francisco · Coordinates: 37.76566, -122.40200
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 300 DE HARO ST; 300 DE HARO ST UNIT 10; 300 DE HARO ST UNIT 9
Zoning & Land Use
UMU — URBAN MIXED USE (Mixed Use)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned UMU (mixed use): state law allows ADUs where homes are allowed. On a multifamily lot the state allowance is different: ADUs in non-living space of the building, plus up to eight detached ADUs.
- SB 9: two homes on the lotUnlikely
Zoned UMU (mixed use), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned UMU (mixed use), 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 0602980119A, 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: $1,035,000 – $1,401,000 · 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)
30 active or recent development projects (1,194 housing units across completed, permitted, and pipeline stages) and 757 total building permits recorded within ½ mile.
- New construction9 permits (436 units)
Developments Deserving Closer Investigation & Active Area Builders
- 425 new homes at 300 De Haro St (Issued)On this parcel
Active in "Issued" for 5.3 yr (first record Jul 23, 2021) with no new permit activity recorded in 16 mo. High-impact scale (425 housing units, 425 deed-restricted affordable, $75,000,000 declared valuation across 1 permit).
- New home at 613 Wisconsin St (Issued)0.46 mi S
Active in "Issued" for 18 mo (first record May 13, 2025) with no new permit activity recorded in 10 mo. High-impact scale (1 housing unit, $1,420,000 declared valuation across 3 permits). work_desc changed to "revisions to approved permit #202503132195 issued 12/31/2025. minor interior plan changes to basement, 1st, 2nd, & 3rd floors resulting in structural modifications at each level. new bathroom in basement & wet bar on 3/f. 3 windows removed from scope at kitchen, bath 1 & 3/f." in snapshot Oct 27, 2026.
- 2530 18th Street (Approved)0.41 mi SW
Active in "Approved" for 4.8 yr (first record Jan 10, 2022) with no new permit activity recorded in 4.3 yr. High-impact scale (73 housing units, 73 deed-restricted affordable, $45,125,341 declared valuation across 1 permit).
- 64 new homes (Entitled)0.44 mi E
Active in "Entitled" for 3.7 yr (first record Mar 2, 2023) with no new permit activity recorded in 3.7 yr. High-impact scale (64 housing units, 9 deed-restricted affordable across 0 permits).
Permit & Project History on This Parcel (4 permits, 2 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202511210242 | Fire alarm / sprinkler | issued | Iss. Jan 7, 2026 | $25,000 | install new 8" ducktile iron class 53 underground water main to feed new building at 300 de haro for all water tie ins. … |
| 202503263030 | Demolition | complete | Iss. Jun 27, 2025 | $150,000 | priority - demolish a 1-story, type 1 commercial building. |
| 202107235031 | New multifamily / condos / mixed-use | issued | Iss. Mar 28, 2025 | $75,000,000 | 100% affordable housing mayor ed 13-01: erect a new 11 story, mixed use public housing facility with 425 sleeping units … |