873 Union St, San Francisco
3 home-service permits on record at 873 Union St, San Francisco; the roof was last permitted on Oct 8, 2019 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 |
|---|---|---|---|---|---|---|
| Oct 8, 2019 | additions alterations or repairs: ground level excavation & foundation work to create a garage & living space for 1st flr unit. mep work per plan. garage door & curb cut at ground leve. roof deck with stairs unit 0 | Roofing | $250,000 | — | Finaled Oct 19, 2020 | 201810233918 |
| Apr 23, 2019 | ReRoof: reroofing unit 0 | Roofing | $16,500 | — | Finaled Jul 1, 2019 | 201904238739 |
| Oct 15, 2018 | otc alterations permit: interior remodel of 3 units to include: 1 new bathroom per unit, remodel kitchens, 3 remodel bathrooms. 3 new elect & plumb as needed unit 0 | Plumbing | $288,000 | — | Finaled Sep 24, 2020 | 201810092692 |
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.