414 12th Ave, San Francisco
1 home-service permit on record at 414 12th Ave, San Francisco; the roof was last permitted on Dec 19, 2017 at a declared value of $424,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Dec 19, 2017 | additions alterations or repairs: comply with nov #201643721. attic: add 3 dormers, skylight, new bathroom, new bedroom, roof deck over extg roof below, double doors. 2nd floor: steel beam, removal of walls, interior remodel, folding doors, relocate rear stairway. 1st fl: remodel extg area, remodel 2 bathrooms, add 2 closets | Roofing | $424,000 | — | issued | 201701177256 |
On 12th Ave
209 permits on record on 12th Ave.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 148 | 34 | $16,148 | $7,860–$31,400 | Aug 26, 2026 |
| Plumbing | 28 | 1 | — | under 5 | Sep 18, 2026 |
| Water heater | 10 | 3 | — | under 5 | Mar 31, 2026 |
| Electrical | 10 | 1 | — | under 5 | Jul 9, 2025 |
| Heating and cooling | 8 | 1 | — | under 5 | Jan 8, 2026 |
| Solar | 5 | 3 | — | under 5 | Jan 16, 2026 |
Roof replacement cost in San Francisco
Across 5,896 one- and two-family reroof permits since October 3, 2024, most declared values run from $7,650 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,788 and $21,763. The lowest on record is $1 and the highest $4,315,170. This address is in that cohort. Every permit behind that range.
Furnace, heat pump or air conditioner replacement cost in San Francisco
Across 291 one- and two-family heating and cooling permits since October 3, 2024, most declared values run from $1 to $224,616 (the middle 80%); the median is $25,196 and half fall between $5,000 and $116,433. The lowest on record is $1 and the highest $1,600,000. This address is in that cohort. Every permit behind that range.
Source
San Francisco Department of Building Inspection, via DataSF, pulled nightly; the assessor roll for the property fields. As of October 3, 2026. Owner names are not shown on any page.