834 40th Ave, San Francisco
4 home-service permits on record at 834 40th Ave, San Francisco; the roof was last permitted on Mar 5, 2021 at a declared value of $11,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Nov 26, 2025 | otc alterations permit: 1st fl remodel e corridor to 1 hour rated corridor w/20 minutes door. replace e furnace in kind | Heating and cooling | $6,500 | — | Finaled Feb 25, 2026 | 202509115149 |
| Nov 17, 2025 | otc alterations permit: remodel the kitchen on the 2nd floor. upgrade electrical panel to 200 amp. furnace installation | Heating and cooling | $20,000 | — | Finaled Feb 26, 2026 | 202511179808 |
| Aug 3, 2023 | otc alterations permit: replace 3 windows in kind in front, wood alum clad, and 5 windows in back. remodel second floor full bathroom, replace tile and plumbing fixtures. replace one side door in kitchen | Plumbing | $30,000 | — | Finaled Apr 17, 2024 | 202307212747 |
| Mar 5, 2021 | ReRoof: re-roofing: remove and replace roofing material / existing roofing material | Roofing | $11,000 | — | issued | 202103056043 |
On 40th Ave
221 permits on record on 40th Ave.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 176 | 37 | $14,500 | $7,300–$24,000 | Sep 1, 2026 |
| Plumbing | 19 | 6 | $51,503 | $17,776–$172,098 | May 14, 2026 |
| Heating and cooling | 11 | 5 | $20,000 | $2,900–$189,216 | Sep 21, 2026 |
| Water heater | 8 | 2 | — | under 5 | Jul 10, 2026 |
| Electrical | 7 | 4 | — | under 5 | Aug 20, 2026 |
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. This address is in that cohort. 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. This address is in that cohort. 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.