123 Townsend St, San Francisco
8 home-service permits on record at 123 Townsend St, San Francisco; the roof was last permitted on Jul 8, 2021 at a declared value of $134,078.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jul 8, 2021 | otc alterations permit: roof top: replace heating hot water boiler w/ higher officiency boilers of identical capacity, miscellaneous piping, and miscellaneous hydronic accessories | Roofing | $134,078 | — | Finaled Oct 1, 2021 | 202107083976 |
| Oct 6, 2020 | ReRoof: reroofing | Roofing | $277,000 | — | Finaled Mar 9, 2021 | 202010065993 |
| May 10, 2019 | otc alterations permit: 4th floor: 1 in-duct smoke detector, 1 l series ceiling mount horn strobe. t.i. to extg system. fire alarm t.i. fire alarm to be added to extg facu. ref app#201904127809 and ref t.i. #201903114865. n/a for maher | Heating and cooling | $9,000 | — | issued | 201905100301 |
| Mar 22, 2019 | otc alterations permit: interior ti improvement to include: selective non structural demo of partitions, doors, lighting & finishes. construction of non structual partitions , doors, millwork, finishes, lighting electrical, mechanical, & plumbing | Plumbing | $1,300,000 | — | Finaled Aug 30, 2019 | 201903114865 |
| Mar 6, 2017 | otc alterations permit: mechanical & electrical work for tenant improvement on the 3rd floor. ref pa 2016-1230-6268 | Electrical | $380,000 | — | Finaled Dec 20, 2017 | 201703060691 |
| Feb 2, 2017 | otc alterations permit: 3rd flr: ti - of an full floor suite. non structural demo of interior partitions & door/frame/hardware. lighting & finishes. new non structural interior partitions & doors/frame/hardware. new ele/plumb/mech & lighting & life safety to tie into bld. new millwork & finishes maher na | Plumbing | $2,358,491 | — | Finaled Dec 20, 2017 | 201612306268 |
| Dec 9, 2015 | otc alterations permit: 3rd floor: new break area casework, finishes, sink at e plumbing. barrier removal at mens and womens restrooms, drinking fountain | Plumbing | $20,713 | — | Finaled Feb 4, 2016 | 201511243438 |
| Nov 25, 2015 | otc alterations permit: 5th floor - non-structural construction of partitions, door, ceilings, electrical, mechanical, plumbing, lighting, millwork & finishes. fre life safety & electrical deferred. maher na | Plumbing | $2,100,000 | — | Finaled Jul 1, 2016 | 201511172788 |
On Townsend St
208 permits on record on Townsend St.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 29 | 2 | — | under 5 | Jan 29, 2026 |
| Heating and cooling | 88 | 4 | — | under 5 | Sep 30, 2026 |
| Electrical | 63 | 5 | $75,000 | $6,200–$204,605 | Jun 25, 2026 |
| Plumbing | 27 | 3 | — | under 5 | Sep 30, 2026 |
| Solar | 1 | 0 | — | under 5 | Apr 1, 2019 |
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.