3945 23rd St, San Francisco
1 home-service permit on record at 3945 23rd St, San Francisco; the roof was last permitted on May 14, 2018 at a declared value of $170,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| May 14, 2018 | otc alterations permit: remodel 2nd floor. add new bedrooms and bathroom, laundry at ground floor. replace windows. replace new rear deck, re-stucco rear house and replace the new roof | Roofing | $170,000 | — | Finaled Aug 1, 2019 | 201804247251 |
On 23rd St
200 permits on record on 23rd St.
| Trade | Permits | Since Oct 2, 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 5,921 one- and two-family reroof permits since October 2, 2024, most declared values run from $7,700 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,770. 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 292 one- and two-family heating and cooling permits since October 2, 2024, most declared values run from $1 to $224,154 (the middle 80%); the median is $25,098 and half fall between $5,000 and $115,240. 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 2, 2026. Owner names are not shown on any page.