600 20th St
San Francisco · Potrero Hill · San Francisco · Coordinates: 37.76078, -122.38780
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 600 20TH ST
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: $1,369,000 – $1,853,000 · 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)
15 active or recent development projects (121 housing units across completed, permitted, and pipeline stages) and 470 total building permits recorded within ½ mile.
- New construction4 permits (5 units)
- Adds housing (ADU)7 permits (8 units)
- Demolition4 permits
- Additions & renovations179 permits
- Building systems197 permits
- Repairs11 permits
- Other68 permits
Developments Deserving Closer Investigation & Active Area Builders
- 21 new homes (Entitled)On this parcel
Active in "Entitled" for 8.4 yr (first record Jun 14, 2018) with no new permit activity recorded in 8.4 yr. High-impact scale (21 housing units, 3 deed-restricted affordable across 0 permits).
- New home at 600 20th St (Issued)On this parcel
Active in "Issued" for 5.1 yr (first record Oct 1, 2021) with no new permit activity recorded in 20 mo. High-impact scale (1 housing unit, $10,200,000 declared valuation across 4 permits).
- 241 new homes at 919 Illinois St (Approved)270 ft SE
Active in "Approved" for 6.9 yr (first record Nov 25, 2019) with no new permit activity recorded in 6.9 yr. High-impact scale (241 housing units, $150,000,000 declared valuation across 2 permits).
- 109 new homes at 888 Tennessee St (Applied)0.12 mi W
Active in "Applied" for 8.2 yr (first record Aug 20, 2018) with no new permit activity recorded in 8.2 yr. High-impact scale (109 housing units, $45,000,000 declared valuation across 4 permits).
Permit & Project History on This Parcel (6 permits, 2 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202410294000 | Remodel / interior alteration | issued | Iss. Mar 25, 2025 | $180,000 | construction of drill displacement column (ddc)ground improvement system & excavation to bottom of proposed concrete fou… |
| 202503071806 | Repair tied to a housing/code case | issued | Iss. Mar 7, 2025 | $1 | asbestos abatement related to demolition of building (202407227013) |
| 202407227013 | Demolition | issued | Iss. Mar 7, 2025 | $75,000 | demolition of existing 9,200 sf commercial bldg, replacement bldg pa# 202110019676 |
| 202110019676 | New single-family home | issued | Iss. Mar 7, 2025 | $10,200,000 | to construct a 5-story, type 1b, mixed use building with office/lab use at levels 1-4 and a residential dwelling unit at… |
| 202202117831 | Commercial tenant improvement | complete | Iss. May 9, 2023 | $15,000 | remove non-structural partitions from t.i. build out. per ab-017 |
| 202202157978 | Remodel / interior alteration | complete | Iss. Feb 15, 2022 | $2,000 | exploritory demolition of sheetrock at property line walls. two-four feet above foundation for dry-rot damage at propert… |
State HCD Housing Element APR records on this parcel: 1 entry (report years 2018).