400 Montgomery St, San Francisco
12 home-service permits on record at 400 Montgomery 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 |
|---|---|---|---|---|---|---|
| Sep 15, 2025 | otc alterations permit: ref ti 202505227094- mechanical extend exhaust duct from shaft poc to restroom and terminate with ceiling mount grill . replace pheonmatic lines. install fire damapers for exhaust duct at shaft wall electrial ligfhting with assoc circuits and controls power and signal with circuit and wiring | Heating and cooling | $40,000 | — | Finaled Oct 31, 2025 | 202509034470 |
| May 23, 2025 | otc alterations permit: deferred electric ref 202503273214. lighting with associated circuits and controls. power and signal with associated circuits and wiring | Electrical | $375,000 | — | Finaled Oct 31, 2025 | 202505227094 |
| May 22, 2025 | otc alterations permit: 5/f: deferred electrical permit. permit ref# 202503273213. lighting with associated circuits. power and signal with associated circuits and wiring | Electrical | $375,000 | — | Finaled Oct 30, 2025 | 202505227048 |
| Jul 16, 2021 | otc alterations permit: 4/f: plumbing & electrical for t.i. on 4/f. ref t.i. pa202008051181. maher n/a | Plumbing | $85,000 | — | issued | 202009265058 |
| Nov 20, 2020 | otc alterations permit: suite 1000. electrical work for tenant improvement. ref 201912300884 | Electrical | $95,000 | — | issued | 202009295466 |
| Oct 16, 2020 | otc alterations permit: 9th floor: interior t.i. to include demolition of existing partitions, electrical, plumbing, finishes & restrooms. new partitions, finishes & restroom. mep under separate permit | Plumbing | $570,000 | — | issued | 202008081390 |
| Sep 22, 2020 | otc alterations permit: 4th flr. interior tenant improvement incl demo of partitions, electrical, plumb, finishes & restrms. partitions, finishes and restrms, mep under separate permit | Plumbing | $578,885 | — | issued | 202008051181 |
| Mar 11, 2020 | otc alterations permit: 10th fl: install new heat pump split systems in idg room & conference room. ref arch pa #201912300884 | Heating and cooling | $100,000 | — | Finaled Aug 6, 2020 | 202002285669 |
| May 29, 2018 | otc alterations permit: 10th and 11 th fl mech and electrical for 201712156647 and 201404116054 | Electrical | $350,000 | — | Finaled Nov 2, 2018 | 201805048275 |
| Feb 21, 2018 | otc alterations permit: 6th and 8th fl mechanical and electrical for 201710121088 and revision to womens restroom layout, location of drinking fountain maher not req | Electrical | $500,000 | — | Finaled Jun 20, 2018 | 201801269602 |
| Dec 5, 2017 | otc alterations permit: 3rd fl: mechanical & electrical for pa #201708074084. maher na | Electrical | $325,000 | — | Finaled Mar 28, 2018 | 201711164150 |
| Dec 5, 2017 | otc alterations permit: 2nd fl: mechanical & electrical for pa #201708074081. maher na | Electrical | $325,000 | — | Finaled Mar 28, 2018 | 201711164148 |
On Montgomery St
849 permits on record on Montgomery St.
| Trade | Permits | Since Oct 4, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 69 | 14 | $16,250 | $1,501–$299,009 | Jun 26, 2026 |
| Electrical | 324 | 41 | $60,000 | $14,450–$200,000 | Sep 15, 2026 |
| Heating and cooling | 308 | 28 | $42,514 | $13,434–$292,800 | Aug 21, 2026 |
| Plumbing | 140 | 18 | $185,000 | $3,000–$1,290,000 | Sep 15, 2026 |
| Water heater | 6 | 0 | — | under 5 | May 11, 2023 |
| Solar | 2 | 0 | — | under 5 | Jul 16, 2021 |
Roof replacement cost in San Francisco
Across 5,889 one- and two-family reroof permits since October 4, 2024, most declared values run from $7,650 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,760. 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 291 one- and two-family heating and cooling permits since October 4, 2024, most declared values run from $1 to $224,616 (the middle 80%); the median is $25,196 and half fall between $5,000 and $116,433. 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 4, 2026. Owner names are not shown on any page.