319 21st Ave, San Francisco
2 home-service permits on record at 319 21st Ave, San Francisco; the roof was last permitted on Feb 27, 2017 at a declared value of $14,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Feb 27, 2017 | ReRoof: reroofing | Roofing | $14,000 | — | Finaled Dec 4, 2018 | 201702270197 |
| Feb 10, 2017 | otc alterations permit: replace rear yard exterior wall siding by si plywood & cement board. in kind remodel 2/f rear kitchen & bathroom, 3/f rear bathroom, install force air gas furnace for 2/f rear unit | Heating and cooling | $90,000 | — | issued | 201702109211 |
On 21st Ave
281 permits on record on 21st Ave.
| Trade | Permits | Since Oct 7, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 223 | 49 | $15,000 | $8,770–$28,000 | Jun 18, 2026 |
| Plumbing | 24 | 4 | — | under 5 | Feb 4, 2026 |
| Electrical | 15 | 5 | $45,215 | $19,541–$394,379 | Aug 26, 2026 |
| Water heater | 11 | 3 | — | under 5 | Sep 18, 2025 |
| Heating and cooling | 6 | 1 | — | under 5 | Sep 11, 2026 |
| Solar | 2 | 1 | — | under 5 | Aug 25, 2026 |
Roof replacement cost in San Francisco
Across 5,870 one- and two-family reroof permits since October 7, 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 $21,797. 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 294 one- and two-family heating and cooling permits since October 7, 2024, most declared values run from $31 to $228,385 (the middle 80%); the median is $25,998 and half fall between $5,125 and $120,000. 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 7, 2026. Owner names are not shown on any page.