3541 20th St, San Francisco
4 home-service permits on record at 3541 20th St, San Francisco; the roof was last permitted on Dec 23, 2019 at a declared value of $1.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Dec 23, 2019 | otc alterations permit: revision to app# 201412103460 r1. revise foundation footings and framing of roof structural based on information obtained after opening slabs, walls and ceiling | Roofing | $1 | — | Finaled Dec 24, 2019 | 201606301359 |
| Aug 25, 2017 | otc alterations permit: fire alarm as built 201610130181, install 6 montitor modules to tie in 6 duct detectors installed by others to ex control panel to reflect job site | Heating and cooling | $2,000 | — | Finaled Aug 27, 2018 | 201708255923 |
| Jan 27, 2017 | otc alterations permit: revision to a/mep pa #201412103460 - revise wheelchair lift locations, add storage rm, provide electrical room, provide elevator machine rm for mrl elevator & revise office layouts @ 1st floor. add baptistry at altar area, revise hvac/mech rm locations, add pastor's toilet at mezz. 7 new fsd's | Heating and cooling | $30,000 | — | expired | 201612286000 |
| Mar 29, 2016 | additions alterations or repairs: comply w/nov #201490247 - restore fire & water damaged roof, walls & interior of church, remodel church by providing elevator & wheelchair lifts, comply w/ada, add automatic sprinkler system & hvac system | Heating and cooling | $700,000 | — | Finaled Dec 23, 2019 | 201412103460 |
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.