140 20th Ave, San Francisco
3 home-service permits on record at 140 20th Ave, San Francisco; no roofing permit on record.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jun 15, 2020 | otc alterations permit: renovation of 1 apt 106 on 2nd level, new bedroom and bath. new kitchen cabinets, plumb fix. new lighting a e jbox locations. no change to mech. no exterior work. no fire alarm sprinkler work. struc drawings calcs provided | Plumbing | $65,000 | — | Finaled Sep 9, 2020 | 202002194831 |
| Nov 27, 2019 | otc alterations permit: unit 306: renovation of 1 apartment on 4th level, new bedroom & bathroom, new kitchen cabinets and plumbing fixtures, new washer/dryer, dishwasher, new lighting at j-box locations, no change to mechanical, no exterior work, no fires alam or sprinkler work, structural drawings and calcs provided | Plumbing | $65,000 | — | issued | 201911127029 |
| Jul 13, 2018 | otc alterations permit: renovation of 2 apartments - units 104 on 2nd fl and unit 202 on 3rd fl. new bedrooms, new dishwashers, new kitchen cabinets. plumbing fixtures, new lighting at jbox locations. no change to mechanical. no exterior work. no fire alarm or sprinkler work | Plumbing | $95,000 | — | Finaled Nov 7, 2019 | 201806141929 |
On 20th Ave
424 permits on record on 20th Ave.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 202 | 33 | $15,000 | $9,200–$39,407 | May 26, 2026 |
| Electrical | 90 | 4 | — | under 5 | Sep 12, 2025 |
| Plumbing | 61 | 10 | $70,500 | $1–$212,500 | Jun 30, 2026 |
| Heating and cooling | 54 | 6 | $50,000 | $12,409–$253,500 | Sep 14, 2026 |
| Water heater | 16 | 1 | — | under 5 | Oct 14, 2025 |
| Solar | 1 | 1 | — | under 5 | Aug 11, 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.