3975 Clay St, San Francisco
2 home-service permits on record at 3975 Clay St, San Francisco; the roof was last permitted on May 9, 2023 at a declared value of $10,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| May 9, 2023 | otc alterations permit: remove trellis on roof, build new roof deck w/42" high guardrail on roof. no mechanical/electrical/plubming work | Roofing | $10,000 | — | issued | 202305026954 |
| Jan 26, 2016 | otc alterations permit: re-coating of roof area with elastomeric polymer roof compound. re-shingling of less than 10% of area. debris removal | Roofing | $16,241 | — | Finaled Jan 27, 2016 | 201601267947 |
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.