Housing project
668a Hamilton St · San Francisco · Block/lot 6115/040 · What else is happening nearby
Permit issued; work may be underway. Based on 202110180695: city status 'issued'.
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.
new 1045 square foot, 2 bedroom adu at 1st foor of new construction single-family home. this permit travels with #2021.0729.5403. approved conditional use: 2020-007383cua demolition permit application #2021.0614.2334 668 hamilton st new construction permit application #2021.0729.5403
Applied Oct 18, 2021 · Issued Sep 23, 2025 · 1 units · valuation $225,000 · 668a Hamilton St
Linked because: earliest record in this project
Source: San Francisco Department of Building Inspection, Building Permits · Geography: parcel · Retrieved Oct 28, 2026
Search by record number: 202110180695
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.