2138 31st Ave, San Francisco
2 home-service permits on record at 2138 31st Ave, San Francisco; the roof was last permitted on Mar 18, 2024 at a declared value of $10,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Nov 10, 2025 | solar permit: installing 17 solar pv modules, 405 watts per module, total no. of rating 6.885 kw. mounted: roof, ballasted: n, including 1 energy storage unit, with 13.5 kwh each in capacity, ess units will be closer than 3 feet | roof mount, 17 mods, 6.885 kw, ess | Solar | $39,938 | — | issued | S20251020222 |
| Mar 18, 2024 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | Roofing | $10,000 | — | Finaled May 2, 2024 | 202403188039 |
On 31st Ave
223 permits on record on 31st Ave.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 181 | 44 | $15,360 | $8,226–$24,700 | Aug 13, 2026 |
| Electrical | 13 | 3 | — | under 5 | Aug 10, 2026 |
| Plumbing | 12 | 2 | — | under 5 | Aug 6, 2026 |
| Heating and cooling | 8 | 1 | — | under 5 | Jan 29, 2025 |
| Water heater | 7 | 3 | — | under 5 | Sep 28, 2026 |
| Solar | 2 | 2 | — | under 5 | Mar 2, 2026 |
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. 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. 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.