1501 20th St, San Francisco
3 home-service permits on record at 1501 20th St, San Francisco; the roof was last permitted on Jun 14, 2021 at a declared value of $12,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jun 14, 2021 | otc alterations permit: reference roofing permit # 2021-0512-0219. remove & replace 140 sq ft of brick in kind at front facade. remove & replace 160 sq ft of dry rot in kind at exterior wall. no changes, to be replaced in kind | Roofing | $12,000 | — | Finaled Jul 13, 2021 | 202106112189 |
| May 12, 2021 | otc alterations permit: remove 90 square feet of existing tile. remove 18' of stucco between roof and walls to install new flashing x8"h. install 90 square feet of fooring/tile "5", underlayment and 5 ply cdx plywood. install new stucco bout to match existing | Roofing | $4,200 | — | Finaled Jul 13, 2021 | 202105120219 |
| Apr 14, 2021 | ReRoof: remove two layer of roofing; install 5 ply cox plywood 2200 sf; install 60 mil gaf tdo- white; install 1/4 bins deck- fire rotated board | Roofing | $29,000 | — | Finaled Jul 13, 2021 | 202104148515 |
On 20th St
230 permits on record on 20th St.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 127 | 28 | $20,250 | $7,428–$48,320 | Sep 8, 2026 |
| Plumbing | 38 | 2 | — | under 5 | Aug 13, 2026 |
| Electrical | 29 | 5 | $20,000 | $7,800–$49,380 | Sep 4, 2026 |
| Heating and cooling | 20 | 2 | — | under 5 | Jan 7, 2026 |
| Solar | 8 | 5 | $32,176 | $13,027–$48,594 | Jul 6, 2026 |
| Water heater | 8 | 3 | — | under 5 | Jun 8, 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.