3605 20th St, San Francisco
4 home-service permits on record at 3605 20th 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 |
|---|---|---|---|---|---|---|
| Oct 20, 2016 | wall or painted sign: install non-electric single faced window sign unit 0 | Electrical | $1,400 | — | issued | 201610200743 |
| Apr 19, 2016 | otc alterations permit: interior alteration of level one retail space to include display area, fitting spaces, back of house, ada bathroom, and a relocated and replaced access stair to basement. also includes new hvac system, lighting, elect and it wiring, and plumbing under separate permit. n/a for maher | Heating and cooling | $286,000 | — | issued | 201604144771 |
| Apr 23, 2015 | otc alterations permit: #20- remodel unit 20 relocate water heater. add new washer/dryer. remodel bath and kitchen, relocate kitchen fixtures & cabinets. n/a ordinance #155-13 | Water heater | $25,000 | — | Finaled Sep 30, 2015 | 201503049946 |
| Apr 16, 2015 | otc alterations permit: remodel unit 17 relocate water heater. add new washer/dryer. remodel bath and kitchen | Water heater | $25,000 | — | Finaled Sep 30, 2015 | 201503049951 |
On 20th St
230 permits on record on 20th St.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 127 | 29 | $20,000 | $7,452–$43,880 | 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 5,921 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.