442 23rd Ave, San Francisco
3 home-service permits on record at 442 23rd Ave, San Francisco; the roof was last permitted on Aug 5, 2019 at a declared value of $19,480.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jun 15, 2026 | otc alterations permit: unit 1: like to like update on existing bathroom and powder room, remove and replace kitchen counter tops and install new backsplash, remove and install new drywall and insulation. upgrade electrical and plumbing as needed unit 1 | Plumbing | $66,300 | — | issued | 202606153235 |
| Aug 5, 2019 | ReRoof: reroofing unit 0 | Roofing | $19,480 | — | Finaled Aug 27, 2019 | 201908057844 |
| Aug 31, 2016 | otc alterations permit: #4 3/f- comply with complaint #201632811, remodel kitchen, bathroom & re-wire electrical, lighting in kitchen, dining room & living room | Electrical | $22,000 | — | Finaled Nov 9, 2016 | 201608225615 |
On 23rd Ave
247 permits on record on 23rd Ave.
| Trade | Permits | Since Oct 2, 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 5,921 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. 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. 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.