471 23rd Ave, San Francisco
3 home-service permits on record at 471 23rd Ave, San Francisco; the roof was last permitted on Apr 24, 2026 at a declared value of $20,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Apr 24, 2026 | ReRoof: re-roofing unit 1 | Roofing | $20,000 | — | Finaled May 1, 2026 | 202604240076 |
| Jul 11, 2016 | otc alterations permit: comply with physical inspection report # cc-7782 slb section 1031,109,210 & 3403 ,replace kitkchen cabinets replace plumbing fixtures for bathroom, in unit # 1 unit 0 | Plumbing | $30,000 | — | Finaled Jul 15, 2016 | 201607112028 |
| May 18, 2015 | otc alterations permit: comply with physical inspection report separate permit required for front windows #cc7836, electrical and plumbing under separate permit | Plumbing | $45,000 | — | Finaled Apr 14, 2017 | 201505186599 |
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. 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. 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.