4251 23rd St, San Francisco
1 home-service permit on record at 4251 23rd St, San Francisco; the roof was last permitted on Jan 7, 2021 at a declared value of $75,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jan 7, 2021 | otc alterations permit: comply with nov#202064651. repair to siding along property line on the west side of the bldg. repair to roof, repair to framing if damaged behind charged siding. remove sheet rock on interior level1, level 2, & level 3. bathrooms, hallway and bedroom. remove all tile in basement bathroom, powder | Roofing | $75,000 | — | Finaled Mar 7, 2022 | 202101072208 |
On 23rd St
200 permits on record on 23rd St.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 124 | 25 | $15,000 | $6,363–$35,300 | Jul 28, 2026 |
| Plumbing | 32 | 7 | $47,583 | $11,540–$102,800 | Sep 21, 2026 |
| Electrical | 17 | 2 | — | under 5 | Jun 10, 2025 |
| Heating and cooling | 16 | 3 | — | under 5 | Sep 2, 2026 |
| Water heater | 7 | 1 | — | under 5 | Apr 27, 2026 |
| Solar | 4 | 4 | — | under 5 | Jul 9, 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.