640 Davis St, San Francisco
4 home-service permits on record at 640 Davis 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 |
|---|---|---|---|---|---|---|
| Oct 27, 2020 | otc alterations permit: unit #22: install new pocket door. relocate door at master bedroom/bath. remodel kitchen. remodel bath. remove and replace flooring. plumbing & electrical work. new 36" gate at garbage closet unit 22 | Plumbing | $65,000 | — | issued | 202003126887 |
| May 4, 2017 | otc alterations permit: unit 18, electrical work in bedroom, bathrooms, kitchen, & living room. reference 2017.04.20.5261 n/a for maher unit 18 | Electrical | $7,000 | — | issued | 201704285192 |
| Sep 22, 2016 | otc alterations permit: unit #18 - replace extg brick bay window with new sunroom window, replace 3 extg windows, remodel extg kitchen, remodel 2 bathrooms, replace extg fan and water heater. n/a ordinance #155-13 unit 18 | Water heater | $65,000 | — | issued | 201604205261 |
| Jan 29, 2016 | otc alterations permit: unit #13: remodel two bathrooms. the master and secondary bathroom. all fixtures to stay in same location, upgrade the electrical , adding recessed led lights and replace existing shower pan. all new tiles, upgrade plumbing where needed. no alteration at wall, window and door unit 13 | Plumbing | $30,000 | — | Finaled Jun 24, 2016 | 201601298376 |
On Davis St
52 permits on record on Davis St.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 1 | 0 | — | under 5 | Jun 15, 2023 |
| Plumbing | 17 | 2 | — | under 5 | May 19, 2026 |
| Electrical | 17 | 1 | — | under 5 | Oct 29, 2025 |
| Heating and cooling | 15 | 5 | $24,600 | $12,493–$524,000 | Apr 3, 2026 |
| Water heater | 1 | 0 | — | under 5 | Sep 22, 2016 |
| Solar | 1 | 0 | — | under 5 | May 12, 2015 |
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.