350 Treat Ave, San Francisco
9 home-service permits on record at 350 Treat Ave, San Francisco; the roof was last permitted on Dec 14, 2017 at a declared value of $120,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Mar 4, 2020 | otc alterations permit: furnish and install fluid cooler and circulating pumps to serve 5 environmental test chambers / condenser water system at exterior | Heating and cooling | $150,000 | — | issued | 202001313246 |
| Jan 23, 2019 | otc alterations permit: lighting, electrical outlets, electrical panels, 112.5kva transformer. ref ti #201809049004 | Electrical | $120,000 | — | Finaled Apr 1, 2019 | 201901231001 |
| Nov 6, 2018 | otc alterations permit: fire alarm ti: add 5 horn strobes 3 strobes, 1 duct detector with smoke and relay module. ref pa #201809049004 | Heating and cooling | $6,500 | — | Finaled Nov 30, 2018 | 201811065055 |
| Oct 31, 2018 | otc alterations permit: ref 201809049004 provide and install heating, ventialation, air conditioning and ductwork for fabrication clean room space | Heating and cooling | $120,000 | — | issued | 201810011896 |
| Apr 5, 2018 | otc alterations permit: builts for ref 2018021401210. added one duct detector | Heating and cooling | $1 | — | Finaled May 21, 2018 | 201804055583 |
| Mar 19, 2018 | otc alterations permit: revision to pa# 201711214631, install new exhaust for pantry room and electric cooktop. maher na | Electrical | $1,000 | — | issued | 201801309891 |
| Dec 14, 2017 | otc alterations permit: demo of mezzanines and reinforcement of extg columns at roof structure. n/a for maher | Roofing | $120,000 | — | issued | 201712126226 |
| May 5, 2016 | additions alterations or repairs: new roof mounted boiler and hvac units and assoc. equip. with associated structural, ducting plumbing and electrical; new wall insulation and interior cladding; new electrical service pg&e transformer room, new electrical room, and associate changes. n/a for maher | Heating and cooling | $480,000 | — | Finaled Nov 9, 2016 | 201603031142 |
| Nov 12, 2015 | ReRoof: reroofing | Roofing | $295,000 | — | Finaled Mar 31, 2016 | 201511122463 |
On Treat Ave
93 permits on record on Treat Ave.
| Trade | Permits | Since Oct 6, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 59 | 7 | $19,500 | $9,200–$37,000 | Jan 23, 2026 |
| Electrical | 12 | 0 | — | under 5 | Dec 20, 2022 |
| Plumbing | 10 | 3 | — | under 5 | Jun 29, 2026 |
| Heating and cooling | 9 | 2 | — | under 5 | Jun 8, 2026 |
| Water heater | 3 | 0 | — | under 5 | Sep 26, 2024 |
Roof replacement cost in San Francisco
Across 5,872 one- and two-family reroof permits since October 6, 2024, most declared values run from $7,655 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,792. 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 293 one- and two-family heating and cooling permits since October 6, 2024, most declared values run from $21 to $223,693 (the middle 80%); the median is $25,996 and half fall between $5,000 and $120,000. 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 6, 2026. Owner names are not shown on any page.