450 Sansome St, San Francisco
10 home-service permits on record at 450 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 |
|---|---|---|---|---|---|---|
| Mar 26, 2026 | otc alterations permit: deferred mecha and electrical permit. ref 202511058945. mech selective demo and cap of med to low pressure ductwork. new dist for vav bxes, new hot water reheat dist piping. air balance. elec new power and signal devices throughout space, new 2022 t24 compliant lighting and controls unit 0 | Electrical | $254,000 | — | Finaled Sep 25, 2026 | 202603268314 |
| Mar 19, 2026 | otc alterations permit: 11th fl - deferred mech & elec permit. permit ref pa 202510238040 mech selective demo & cap of med & low pressure duct work, ew dist for vav boxes, new hot water. reheat dis piping wshp & assoc ductwork & piping, air balance. elec, new power & signal devices throughout. new 2022 t24 ltg & controls unit 0 | Heating and cooling | $306,377 | — | issued | 202603197884 |
| Mar 19, 2026 | otc alterations permit: ste 750: deferred mech + elec permit. ref # 202510237987. mech select demo + cap of mep to low pressure duct work. new dist for vav boxes, new hot water reheat dist piping. ohr balance. elec new power + signal devices throughout, new 2022 t24 complaint. lighting + controls unit 0 | Heating and cooling | $207,497 | — | Finaled Sep 25, 2026 | 202603187821 |
| Jan 27, 2026 | otc alterations permit: 11/f suite 1100 - demo of non structural elements, new interior partitions, doors, finishes, ceilings, lighting, mech electrical outlets and switches. restroom ada access. upgrade and new ada hi/lo drinking fountain. mep, ls and sprinkler system modification will be submitted as a separate permit | Electrical | $868,050 | — | issued | 202510238040 |
| Dec 23, 2022 | otc alterations permit: mechanical only - demo existing duct & hvac equipment, install new duct & hvac equipment. ref #202107285242 unit 0 | Heating and cooling | $20,000 | — | Finaled May 2, 2023 | 202212239084 |
| May 31, 2022 | otc alterations permit: 16/f: title 24 compliance - electrical for pa202107285242. maher n/a unit 0 | Electrical | $389,000 | — | Finaled May 2, 2023 | 202205204688 |
| Mar 9, 2021 | otc alterations permit: 10/f: new lighting and branch circuiting to panel. install new vav box. re-distribute downsteam duct work for new layout. ref pa 202010217059 unit 0 | Heating and cooling | $120,000 | — | Finaled Apr 9, 2021 | 202101213066 |
| Sep 26, 2016 | otc alterations permit: title-24 electrical for work done under pa 2016-0729-3711 unit 0 | Electrical | $21,000 | — | Finaled Jun 27, 2017 | 201609238661 |
| Sep 22, 2015 | otc alterations permit: title 24 electrical for work done under pa #201506249846. n/a maher ordinance unit 0 | Electrical | $90,000 | — | Finaled Jun 27, 2017 | 201509227675 |
| Apr 16, 2015 | otc alterations permit: 2nd flr: install 1 vav box, 1 exhaust fan, duct work ref pa 2015 03 27 2019 maher - not req'd unit 0 | Heating and cooling | $30,000 | — | issued | 201504163779 |
On Sansome St
260 permits on record on Sansome St.
| Trade | Permits | Since Oct 3, 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 5,896 one- and two-family reroof permits since October 3, 2024, most declared values run from $7,650 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,788 and $21,763. 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 3, 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 3, 2026. Owner names are not shown on any page.