520 Cambridge St, San Francisco
2 home-service permits on record at 520 Cambridge St, San Francisco; the roof was last permitted on Jun 18, 2025 at a declared value of $17,990.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | solar permit: installing 13 solar pv modules, 435 watts per module, total no. of rating 5.655 kw. mounted: roof, ballasted: n, including 1 energy storage unit, with 15 kwh each in capacity, ess units will not be closer than 3 feet | rooftop pv and bess in backyard | Solar | $44,735 | — | Finaled Sep 25, 2026 | S20260727693 |
| Jun 18, 2025 | ReRoof: reroof w/hot work remove existing tar and gravel roof layers. install class a modified asphalt roof membrane | Roofing | $17,990 | — | Finaled Jun 25, 2025 | 202506188961 |
On Cambridge St
39 permits on record on Cambridge St.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 32 | 8 | $17,145 | $9,400–$23,185 | May 19, 2026 |
| Water heater | 3 | 0 | — | under 5 | Dec 31, 2018 |
| Plumbing | 2 | 1 | — | under 5 | Apr 22, 2026 |
| Solar | 1 | 1 | — | under 5 | Sep 1, 2026 |
| Electrical | 1 | 0 | — | under 5 | Dec 9, 2015 |
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.