4475 23rd St, San Francisco
5 home-service permits on record at 4475 23rd St, San Francisco; the roof was last permitted on Aug 14, 2017 at a declared value of $45,800.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jan 15, 2020 | otc alterations permit: apt #9: r/r cabinets & appliances with new.install cabinet base and countertop peninsula.install plumbing plumbing and electrical for stacked-ventless washerdryer. r/r in place new tiolet, sink and tub. install washer/dryer to closet | Plumbing | $28,000 | — | Finaled Oct 30, 2020 | 202001151951 |
| Jul 9, 2019 | otc alterations permit: unit 1. new electrical panel in unit 1. replace electrical outlets in kitchen and install washer and dryer in unit 1. no structural. replace existing toilet | Electrical | $25,000 | — | Finaled Aug 22, 2019 | 201907095426 |
| Jul 9, 2019 | otc alterations permit: unit 3: provide elec & plumbing line in closet for 220v ventless washer/dryer in existing closet. rewire & install washer & dryer | Plumbing | $25,000 | — | Finaled Sep 12, 2019 | 201907095425 |
| Jul 9, 2019 | otc alterations permit: new electrical panel in unit 8. new washer and dryer in unit. replace existing toilet. no structural | Electrical | $25,000 | — | issued | 201907095424 |
| Aug 14, 2017 | ReRoof: reroofing | Roofing | $45,800 | — | Finaled Sep 11, 2017 | 201708144719 |
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. 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.