Housing project
2639 21st Ave · San Francisco · Block/lot 2475/010 · What else is happening nearby
Final inspection or certificate of occupancy. Based on 202308285406: 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.
permit to be in compliance with complaint# 202179496. legalize ground floor unauthorized dwelling unit at ground floor. (existing conditioned space under permit#201110187003).
Applied Oct 21, 2021 · 1 units · valuation $5,000 · 2639 21st Av
Linked because: earliest record in this project
unit legalization under ordinance #43-14 (unit a) at ground fl. added on ground floor - unit a (existing conditioned space under pa# 201110187003). legalize added sink, cabinetry, & removal of interior stair in (e) hall. legalize added bathroom in place of (e) laundry. adu under pa# 202110210970.
Applied Dec 13, 2022 · 2 units · valuation $1 · 2639 21st Av
Linked because: same street address, within 3 years of another record here
legalize existing conditioned space as a 1-bedroom accessory dwelling unit(adu). 382 sq ft. per ordinace 95-17
Applied Aug 28, 2023 · Issued Apr 19, 2024 · 1 units · valuation $60,571 · 2639 21st Av
Linked because: same street address, within 3 years of another record here
| Report year | Record | Type | Entitled | Permitted | Completed | Deed-restricted |
|---|---|---|---|---|---|---|
| 2024 | 202308285406 | ADU · rental | — | 1 | — | — |
| 2024 | 202309015793 | ADU · rental | — | 1 | — | — |
| 2025 | 202309015793 | 2 to 4 · rental | — | — | 1 | — |
| 2025 | 202308285406 | 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: 202110210970, 202212138144, 202308285406
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.
legalize unit under city ordinance # 43-14 (unit a)1. legalize ground floor unauthorized dwelling unit per city ordinance no. 43-14; added on the ground floor - unit a (existing conditioned space under permit# 201110187003). legalize added sink, cabinetry, and removal of interior stair in (e) hall.
Applied Sep 1, 2023 · Issued Apr 10, 2024 · 1 units · valuation $53,810 · 2639 21st Av
Linked because: same street address, within 3 years of another record here
reference pa#202308285403 & 202309015793: administrative permit to correct/proposed dwelling unit count as "3". single family with two adu.
Applied Nov 21, 2025 · Issued Nov 24, 2025 · 2 units · valuation $1 · 2639 21st Av
Linked because: same street address, within 3 years of another record here
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel · Retrieved Oct 29, 2026