457 23rd Ave, San Francisco
2 home-service permits on record at 457 23rd Ave, San Francisco; the roof was last permitted on Aug 12, 2021 at a declared value of $40,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Aug 12, 2021 | otc alterations permit: revision to pa 2019 1205 8736 & 2019 0208 2531. new roof deck at rear yard & enclose lightwell at right on 2md & 3rd fl . comply w/ nov 202172487. revise 2nd flr deck to 9' | Roofing | $40,000 | — | expired | 202107305521 |
| Nov 2, 2017 | otc alterations permit: comply nov#201772671. repair small portion of flat roof and visible wood siding in-kind due to fire at adjacent property . no other work | Roofing | $5,000 | — | expired | 201711022990 |
On 23rd Ave
247 permits on record on 23rd Ave.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 192 | 37 | $15,420 | $8,770–$22,890 | Jun 24, 2026 |
| Plumbing | 19 | 2 | — | under 5 | Jun 15, 2026 |
| Electrical | 18 | 2 | — | under 5 | Apr 22, 2025 |
| Heating and cooling | 11 | 0 | — | under 5 | Feb 27, 2024 |
| Water heater | 4 | 1 | — | under 5 | Sep 25, 2025 |
| Solar | 3 | 3 | — | under 5 | Jun 16, 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. 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.