643 Clay St, San Francisco
3 home-service permits on record at 643 Clay St, San Francisco; no roofing permit on record.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jan 31, 2024 | otc alterations permit: add on to system due to new tenant on ground fl. install new horn/strobe on ground floor,two new monitors, modules to tie-in duct detector & ansult system. install by others to be monitor. new devices will be connect to ex. panel located at 647 clay st unit 0 | Heating and cooling | $3,615 | — | Finaled Jan 14, 2025 | 202401315004 |
| Jul 26, 2023 | otc alterations permit: fire suppression system for hood and duct. install ul300, ref bpa#202211086101 unit 0 | Heating and cooling | $9,574 | — | Finaled Feb 22, 2024 | 202307182402 |
| Apr 6, 2023 | otc alterations permit: provide and install type i hood, exhaust, grease duct and kitchen exhaust fan, with make up air unit and assoicated ductwork. limited restaurant under 102 | Heating and cooling | $70,000 | — | Finaled Jan 23, 2025 | 202211086101 |
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. 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. 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.