What was permitted
This permit details a significant home expansion project in the Castro/Upper Market neighborhood of San Francisco. The work includes a substantial rear addition to both the basement and the first floor, adding new living spaces and bathrooms.
Issued on August 3, 2026, this project has an estimated cost of $397,600. This substantial investment reflects the scope of adding over 1300 square feet of new space to a single-family dwelling.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 202604068941 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Additions & Alterations · 1 Family Dwelling |
| Status | issued |
| Job description | construction of horizontal rear addition at basement and 1st fl. addition is located at the rear of the building and not visible from the public. basement: rear extension 514 sf, new bath. 1st fl rear extention 815 sf, relocate stair, new bedroom, new bath. |
| Floor / unit | — |
| Estimated cost | $397,600 |
| Approved | July 29, 2026 |
| Issued | August 3, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Related searches
home additionrear additionbasement remodelfirst floor additionCastro/Upper MarketSan Franciscogeneral construction$300k-$400k