3778 Clay St, San Francisco
2 home-service permits on record at 3778 Clay St, San Francisco; the roof was last permitted on Apr 14, 2017 at a declared value of $250,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Apr 14, 2017 | otc alterations permit: remodel master bathroom & closets, remodel kid's bath on 2/f, add laundry room in attic, new waterproofing on east deck on top floor, replace selected windows & doors facing back & side yard, reroofing & new exterior painting. n/a ordinance #155-13 | Roofing | $250,000 | — | Finaled Apr 8, 2021 | 201704073441 |
| Sep 24, 2015 | otc alterations permit: replace living room cabinets, countertops, electrical & wet bar @ 2nd floor. n/a maher ordinance | Electrical | $15,000 | — | Finaled Feb 16, 2016 | 201509247937 |
On Clay St
410 permits on record on Clay St.
| Trade | Permits | Since Oct 3, 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 | 10 | $41,895 | $2,800–$435,000 | 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 5,896 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.