321 Mount Vernon Ave, San Francisco
1 home-service permit on record at 321 Mount Vernon Ave, 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 7, 2017 | otc alterations permit: kitcehn & bathroom remodel.install 2 pocket doors in same location, new engineering floring,basebood,trim,drywall taping,painting interior house & front exterior,replce electival panel, replace house furnace, replace water heater, all fixtures in same location. no moving of walls, door or windows | Water heater | $60,250 | — | issued | 201709077242 |
On Mount Vernon Ave
35 permits on record on Mount Vernon Ave.
| Trade | Permits | Since Oct 4, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 26 | 2 | — | under 5 | Nov 19, 2025 |
| Water heater | 5 | 2 | — | under 5 | Jul 8, 2025 |
| Electrical | 3 | 0 | — | under 5 | Mar 25, 2024 |
| Plumbing | 1 | 0 | — | under 5 | Sep 7, 2016 |
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. This address is in that cohort. 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. 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 4, 2026. Owner names are not shown on any page.