600 Portway Psge
San Francisco · Treasure Island · San Francisco · Coordinates: 37.82852, -122.36836
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 600 PORTWAY PSGE
Zoning & Land Use
TI-PCI — TREASURE ISLAND PUBLIC/CIVIC/INSTITUTIONAL (Public)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUUnlikely
Zoned TI-PCI (public / institutional): the zone doesn't allow homes, so state ADU rules don't apply.
- SB 9: two homes on the lotUnlikely
Zoned TI-PCI (public / institutional), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned TI-PCI (public / institutional), 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: 0.2% annual chance flood hazard (shaded X) (about 4% of the lot); Zone X: minimal flood hazard (about 96% of the lot) · FIRM panel 0602980128A, 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
Nearby Activity (½ mile radius, since October 2024)
1 active or recent development project and 22 total building permits recorded within ½ mile.
- New construction1 permit
- Demolition1 permit
- Additions & renovations8 permits
- Building systems6 permits
- Repairs1 permit
- Other5 permits
Developments Deserving Closer Investigation & Active Area Builders
- New commercial building at 600 Portway Pg (Approved)On this parcel
Active in "Approved" for 2.8 yr (first record Jan 4, 2024) with no new permit activity recorded in 2.8 yr.
- New commercial building at 449 Ave H (Issued)0.36 mi S
Active in "Issued" for 18 mo (first record Apr 24, 2025) with no new permit activity recorded in 10 mo. High-impact scale ($31,100,000 declared valuation across 8 permits).
- Demolition at 620 Ave I (Issued)0.22 mi S
Active in "Issued" for 5.1 yr (first record Oct 4, 2021) with no new permit activity recorded in 3.5 yr.
- Demolition at 680 Ave I (Issued)0.22 mi S
Active in "Issued" for 5.1 yr (first record Oct 4, 2021) with no new permit activity recorded in 4.4 yr.
Permit & Project History on This Parcel (11 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202605151325 | Remodel / interior alteration | filed | App. Jun 9, 2026 | $125,000 | puc proj-26-0638: install underground fire service line from new 12-inch w1 water main connection from 13th st to treasu… |
| 202601284759 | Fire alarm / sprinkler | filed | App. Feb 17, 2026 | $25,000 | puc proj-26-0628: manual fire alarm system |
| 202509306389 | Remodel / interior alteration | approved | App. Oct 6, 2025 | $133,825 | proj-25-0623 - building 930: supply and install a complete clean agent fire suppression system in the data storage room … |
| 202509155296 | Fire alarm / sprinkler | approved | App. Oct 2, 2025 |