1678 31st Ave, San Francisco
1 home-service permit on record at 1678 31st Ave, 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 |
|---|---|---|---|---|---|---|
| Jan 31, 2024 | otc alterations permit: interior bathroom remodel @ main level- no chnages to building footprint. expand water closet space to capture hall nook to add new corner sink. remodel main bath, replacing all finhses and plumbing fixtures, adding electric radiant heat flooring and upgrading elec, lighting & mech as req | Plumbing | $34,000 | — | Finaled May 13, 2024 | 202401194259 |
On 31st Ave
223 permits on record on 31st Ave.
| Trade | Permits | Since Oct 4, 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 5,889 one- and two-family reroof permits since October 4, 2024, most declared values run from $7,650 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,760. 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 4, 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 4, 2026. Owner names are not shown on any page.