420 Somerset St, San Francisco
1 home-service permit on record at 420 Somerset 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 |
|---|---|---|---|---|---|---|
| Jul 5, 2016 | otc alterations permit: 2nd flr: demolish deck at rear of property, grnd flr: add storage rm, 92)bedrms,& full bathrm behind garage,perform voluntary seismic strengthening,add furnace and install lighting,switches, &receptacles | Heating and cooling | $65,000 | — | Finaled Jun 23, 2017 | 201606109703 |
On Somerset St
34 permits on record on Somerset St.
| Trade | Permits | Since Oct 6, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 31 | 6 | $13,900 | $7,750–$22,250 | May 6, 2026 |
| Solar | 1 | 0 | — | under 5 | Mar 23, 2021 |
| Heating and cooling | 1 | 0 | — | under 5 | Jul 5, 2016 |
| Electrical | 1 | 0 | — | under 5 | Jan 27, 2016 |
Roof replacement cost in San Francisco
Across 5,872 one- and two-family reroof permits since October 6, 2024, most declared values run from $7,655 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,792. 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 293 one- and two-family heating and cooling permits since October 6, 2024, most declared values run from $21 to $223,693 (the middle 80%); the median is $25,996 and half fall between $5,000 and $120,000. 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 6, 2026. Owner names are not shown on any page.