764 Union St, San Francisco
3 home-service permits on record at 764 Union St, San Francisco; the roof was last permitted on Apr 20, 2017 at a declared value of $1.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Apr 20, 2017 | otc alterations permit: revision to pa#201701318314 to roof deck flashing detail unit 0 | Roofing | $1 | — | issued | 201704174117 |
| Jan 31, 2017 | otc alterations permit: work performed under rev.to pa 2015-1104-1727 did not use ptdf joists for roof deck. district inspector issued correction notice | Roofing | $10,000 | — | issued | 201701318314 |
| Feb 18, 2016 | otc alterations permit: add 1/2 bathroom to 3rd flr; include toilet and sink. install new 90% eff. furnace. install new stackable w/d - incld - waiter lines & stand pip, install gas lines for furnace. install 1 pocket door for new half bath, power new forced air furnace and new w/d from panel | Heating and cooling | $35,000 | — | Finaled Apr 24, 2017 | 201602089061 |
On Union St
377 permits on record on Union St.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 195 | 32 | $20,520 | $5,450–$160,640 | Aug 12, 2026 |
| Plumbing | 75 | 18 | $32,332 | $140–$108,778 | Aug 19, 2026 |
| Electrical | 67 | 9 | $25,000 | $7,400–$332,614 | Aug 31, 2026 |
| Heating and cooling | 27 | 3 | — | under 5 | Jan 26, 2026 |
| Water heater | 9 | 2 | — | under 5 | Apr 2, 2026 |
| Solar | 4 | 2 | — | under 5 | Apr 9, 2026 |
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.