Housing project
491 23rd Ave · San Francisco · Block/lot 1521/016B · What else is happening nearby
Review complete or ready to issue. Based on 202102184880: city status 'approved'.
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.
horizontal addition. and add 2nd unit on 1st floor under separate permit (bpa#2022-0624-7065 per state adu program). remodel of all stories w/ (n) bathrooms & (n) kitchen. (n) stairs @ 1st story. (n) deck @ 2nd story. no change to height, occupancy or parking.
Applied Feb 18, 2021 · 1 units · valuation $650,000 · 491 23rd Av
Linked because: earliest record in this project
addition of one adu unit at the first level per the state adu program. reference 202102184880 for expansion approval and structural drawings.
Applied Jun 24, 2022 · 1 units · valuation $100,000 · 491 23rd 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 28, 2026
Search by record number: 202102184880, 202206247065
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.