451 Montgomery St, San Francisco
3 home-service permits on record at 451 Montgomery St, San Francisco; the roof was last permitted on Aug 5, 2022 at a declared value of $82,726.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Sep 28, 2023 | otc alterations permit: 1st fl - voluntary replacement of the fire alarm panel motherboard; the work adds a cellular dialer & the direct replacement of 6 smoke detectors, 5 duct detectors; 8 pull stations, and 6 modules. no record plan or ulf certificate for this system existings, and all notification remain as | Heating and cooling | $25,900 | — | Finaled May 17, 2024 | 202309287559 |
| Aug 5, 2022 | ReRoof: reroofing | Roofing | $82,726 | — | issued | 202208059968 |
| Nov 3, 2016 | otc alterations permit: modification to an extg at&t site including: r/r 6 extg antennas behind extg screen wall. installing 6 new rrus. 3 on roof behind screen wall . installing 1 new dus 41 in extg equpments rack. n/a for maher | Roofing | $36,000 | — | Finaled Dec 15, 2016 | 201604043879 |
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.