San Francisco · Sansome St
475 Sansome St, San Francisco
26 home-service permits on record at 475 Sansome 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 18, 2025 | otc alterations permit: 7th fl ref pa # 2025-0627-9716: fire alarm ti. add 2 rib relays 2 relay modules. demo 5 wall strobes 1 smoke detector 5 ceiling 1 smoke detector. add 8 ceiling speaker/strobes 2 ceiling strobes 2 duct detectors | Heating and cooling | $16,686 | — | Finaled Dec 4, 2025 | 202509115118 |
| Jul 18, 2025 | otc alterations permit: 7th fl/ suite 700- expansion of existing office into vacant office space.demo and construction of non-structural partitions. including mechanical rework, new plumbing, electrical and fire protection and finishes. new /revised hvac, electrical, plumbing, & life safty work will be design build | Heating and cooling | $2,100,000 | — | Finaled Dec 23, 2025 | 202506279716 |
| Jun 26, 2025 | otc alterations permit: 16/f: deferred mep scope for 202502190638. modifications include heat pumps, ddc control, fan cell units, lighting with associated circuits and controls, power signal, plumbing fixture update. scope or work on 16th fl | Heating and cooling | $1,200,000 | — | issued | 202506138670 |
| Jan 14, 2025 | otc alterations permit: 11th fl. tenant improvement demo wall strobes, speaker, install speaker/strobes strobes control relays dual monitr module, duct detectors, smoke relocate speakers, replace existing smoke. ref #2024-0909-0362 | Heating and cooling | $51,646 | — | issued | 202501108109 |
| Dec 27, 2024 | otc alterations permit: 11th fl - seismic anchorage for a battery unit weighting 2798 lbs on floor. ref 202409090362 | Solar | $10,000 | — | Finaled Jan 17, 2025 | 202412187122 |
| Oct 22, 2024 | otc alterations permit: 18th & 19th fl- hvac work modification. new heat pump & ddc controls | Heating and cooling | $110,000 | — | Finaled Jul 18, 2025 | 202410152941 |
| Aug 22, 2024 | otc alterations permit: fire alarm tenant improvement 8th fl. demo 2 spkr/strobes, 7 speakers, 9 strobes, relocate 1 spkr, 2 strbs,install 14 spkr/strbs 11 strobes, 9 duct detectors, 9 relays reb,3 control relays, replace 2 smokes, ref 202207198832 | Heating and cooling | $25,724 | — | Finaled Oct 17, 2024 | 202407237042 |
| Sep 30, 2022 | otc alterations permit: ref pa# 2022-0719-8832: f.a. modification on 5th fl. add 16 speaker/strobes, 6 strobes, 9 duct detectors, 11 ribrelax, 3 control relays, replace 6 speakr/strobes w/ new and 1 strobe power supply, demo 11 speaker/strobes, 5 speakers, 4 strobes | Heating and cooling | $35,000 | — | Finaled Apr 19, 2023 | 202209303489 |
| Jul 14, 2020 | otc alterations permit: ref to pa #2020 0110 1656. f/a modification on 19th fl. maintain e sequence of operations. install 6 area smoke detectors, 2 smoke deterctor at open duct, 15 duct detector, 4 control relays, 16 pilot relays, 50 speaker/strobes. 1 strobe power supply unit 0 | Heating and cooling | $62,980 | — | Finaled Aug 17, 2020 | 202007069635 |
| Jul 8, 2020 | otc alterations permit: ref to pa #2020 0110 1656. f/a modification on 19th fl. maintain e sequence of operations. install 7 area smoke detectors, 2 smoke deterctor at open duct, 15 duct detector, 2 control relays, 17 pilot relays, 51 speaker/strobes 1 strobe power supply to 10 amps unit 0 | Heating and cooling | $67,820 | — | Finaled Aug 17, 2020 | 202007069640 |
| Oct 10, 2019 | otc alterations permit: 21st fl. demo of duct on 21st fl. and installation of new duct and hvac equipement, electrical work to include new power and data, new lighting & controls on the 21st fl unit 0 | Heating and cooling | $40,000 | — | issued | 201909272923 |
| May 20, 2019 | otc alterations permit: 20th flr. electrical for tenant improvement. ref pa 201808238106 unit 0 | Electrical | $10,000 | — | issued | 201905201064 |
| Feb 25, 2019 | otc alterations permit: ref pa# 201808238106; mechanical work for t.i., install new duct work and equipment. n/a maher unit 0 | Heating and cooling | $60,000 | — | issued | 201902203343 |
| Feb 7, 2019 | otc alterations permit: 5th fl, ste 510 mechanical & electrical for ref pa 2018-1029-4448 unit 0 | Electrical | $200,000 | — | Finaled Mar 1, 2019 | 201901110138 |
| Nov 19, 2018 | otc alterations permit: 9th flr, t.i - electrical / lighting unit 0 | Electrical | $15,000 | — | issued | 201810314598 |
| Apr 2, 2018 | otc alterations permit: basement - mechanical & electrical work for ti ref 201705257640 | Electrical | $5,000 | — | Finaled Apr 10, 2019 | 201803284842 |
| Feb 7, 2018 | otc alterations permit: mechanical and electrical work for ti ref pa 2017-1207-5766. maher n/a | Electrical | $125,000 | — | issued | 201802010097 |
| Nov 9, 2017 | otc alterations permit: ref 201709229351, f/a modficcation 17th fl add 3 duct detectors for the fcus, 3 rib relay, 1 control relay. maher na | Heating and cooling | $5,500 | — | Finaled Nov 20, 2017 | 201711093599 |
| Feb 22, 2017 | otc alterations permit: 12th floor - mechanical & electrical for pa #201612064229. maher ord 155-13 na | Electrical | $100,000 | — | Finaled Mar 1, 2017 | 201701207591 |
| Jan 12, 2017 | otc alterations permit: 14/f- mechanical and electrical for 201611082216. n/a ordinance #155-13 | Electrical | $30,000 | — | Finaled Jan 13, 2017 | 201701096754 |
| Jan 10, 2017 | otc alterations permit: remove smoke detectors, 3 duct smoke detectors, 10 door holders, 5 strobes, 1 speaker. add 8 strobes, 1 speaker. relocate 1 strobe. ref pa 2016-1206-4229. maher na unit 0 | Heating and cooling | $4,626 | — | Finaled Feb 23, 2017 | 201701106823 |
| Sep 23, 2016 | otc alterations permit: 16th floor: mechanical and electrical for app#201608114824. n/a maher ord. 155-13 | Electrical | $30,000 | — | Finaled Dec 9, 2016 | 201608306352 |
| May 31, 2016 | otc alterations permit: 5th flr: electrical work for tenant improvement, ref. 2016-0505-6616; maher n/a | Electrical | $40,000 | — | issued | 201605278589 |
| Jun 4, 2015 | otc alterations permit: 6th floor fire alarm tenant improvement: install wall speakers/strobes, duct detectors, pilot relays. reference pa #2015.0319.1288. n/a maher ordinance unit 0 | Heating and cooling | $27,242 | — | Finaled Jun 17, 2015 | 201506037958 |
| May 27, 2015 | otc alterations permit: 6/f: mechanical electrical & plumbing for pa#201503191288. n/a ordinance #155-13 unit 0 | Plumbing | $400,000 | — | issued | 201505045305 |
| Mar 27, 2015 | otc alterations permit: 7th floor, suite 720: interior tenant improvement, new finishes and minor electrical | Electrical | $1,200 | — | Finaled Apr 24, 2015 | 201503272129 |
On Sansome St
260 permits on record on Sansome St.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 22 | 3 | — | under 5 | Jun 12, 2026 |
| Heating and cooling | 119 | 20 | $77,503 | $14,991–$1,123,613 | Aug 21, 2026 |
| Electrical | 82 | 18 | $150,000 | $1,500–$382,500 | Jul 10, 2026 |
| Plumbing | 35 | 10 | $190,000 | $10,800–$416,105 | Jul 29, 2026 |
| Solar | 2 | 1 | — | under 5 | Dec 27, 2024 |
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.