20 California St, San Francisco
3 home-service permits on record at 20 California St, 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 |
|---|---|---|---|---|---|---|
| Jan 9, 2018 | otc alterations permit: 5/f: as-builts: install 1 duct detector, install 1 control relay modules. ref pa#201711214583 | Heating and cooling | $1 | — | Finaled Jan 16, 2018 | 201801098213 |
| Aug 1, 2016 | otc alterations permit: 7/f - fire alarm t.i. install 9 ceiling mount horn-strobes, 5 ceiling mount strobes, 6 duct detectors, 6 control relay modules, 1 signal module & 1 booster panel. n/a ordinance #155-13 | Heating and cooling | $18,696 | — | Finaled Nov 22, 2016 | 201608013908 |
| Jun 1, 2016 | otc alterations permit: this ti project involves modification to full floor tenant suite, to inlcude selective demolition & construction of non-load bearing partitions, new gypsum fire protection, new light fixtures, new interior doors & frames, new electrical, new millwork & new finishes. maher na | Electrical | $680,000 | — | Finaled Dec 14, 2016 | 201601278056 |
On California St
1,703 permits on record on California St.
| Trade | Permits | Since Oct 6, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 305 | 51 | $22,000 | $8,978–$198,000 | Jul 20, 2026 |
| Electrical | 535 | 104 | $100,000 | $3,000–$785,000 | Sep 23, 2026 |
| Heating and cooling | 513 | 70 | $33,865 | $1,470–$385,794 | Sep 21, 2026 |
| Plumbing | 327 | 60 | $90,392 | $3,450–$747,457 | Oct 1, 2026 |
| Solar | 14 | 4 | — | under 5 | May 7, 2026 |
| Water heater | 9 | 3 | — | under 5 | Sep 4, 2026 |
Roof replacement cost in San Francisco
Across 5,872 one- and two-family reroof permits since October 6, 2024, most declared values run from $7,655 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,792. 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 293 one- and two-family heating and cooling permits since October 6, 2024, most declared values run from $21 to $223,693 (the middle 80%); the median is $25,996 and half fall between $5,000 and $120,000. 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 6, 2026. Owner names are not shown on any page.