Housing project
4100 Folsom St · San Francisco · Block/lot 5739/001 · What else is happening nearby
Final inspection or certificate of occupancy. Based on 202111031758: city status 'complete'.
As proposed on the most recent active record
The applicant's construction cost estimate on the permit. Not a market or assessed value.
None of these records has changed between our snapshots so far.
add adu unit at ground floor per government code section 65852.2. new rear deck, remodel interior staircase and 2nd floor closet, new rear spiral staircase to 2nd floor, 2nd floor bathroom remodel, new double door to existing closet.
Applied Nov 3, 2021 · Issued Jul 5, 2024 · 1 units · valuation $358,491 · 4100 Folsom St
Linked because: earliest record in this project
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel · Retrieved Oct 28, 2026
| Report year | Record | Type | Entitled | Permitted | Completed | Deed-restricted |
|---|---|---|---|---|---|---|
| 2024 | 202111031758 | ADU · rental | — | 1 | — | — |
| 2025 | 202111031758 | ADU · rental | — | — | 1 | — |
Source: California HCD, Housing Element Annual Progress Report — Table A2 · Geography: project · Retrieved Oct 26, 2026 · Each row is one report year. A project moves from entitled to permitted to completed across years, so don't add rows together.
Search by record number: 202111031758
Zoning, assessor links, and the full permit history for the parcel
The city and the State don't publish a single project record, so we group related permits and State housing reports ourselves. This grouping is our inference, not an official record. Each permit shows why it was included.