3945 Clay St, San Francisco
1 home-service permit on record at 3945 Clay St, San Francisco; the roof was last permitted on Jul 12, 2017 at a declared value of $39,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jul 12, 2017 | ReRoof: t/o rear flat roof & adjoining shingle slopes. install new class "a" tar & gravel roof and class a shingle roof.slope roofing material weight <5 psf | Roofing | $39,000 | — | Finaled Aug 5, 2019 | 201707121672 |
On Clay St
410 permits on record on Clay St.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 201 | 35 | $32,300 | $7,600–$87,920 | Sep 25, 2026 |
| Plumbing | 78 | 17 | $49,800 | $24,835–$77,000 | Sep 9, 2026 |
| Electrical | 66 | 11 | $47,000 | $3,000–$350,000 | Jul 2, 2026 |
| Heating and cooling | 59 | 8 | $28,566 | $1,400–$280,825 | Aug 25, 2026 |
| Water heater | 5 | 3 | — | under 5 | Aug 12, 2026 |
| Solar | 1 | 1 | — | under 5 | Sep 11, 2025 |
Roof replacement cost in San Francisco
Across 5,921 one- and two-family reroof permits since October 2, 2024, most declared values run from $7,700 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,770. 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 292 one- and two-family heating and cooling permits since October 2, 2024, most declared values run from $1 to $224,154 (the middle 80%); the median is $25,098 and half fall between $5,000 and $115,240. 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 2, 2026. Owner names are not shown on any page.