19 Prospect Ave, San Francisco
2 home-service permits on record at 19 Prospect Ave, San Francisco; the roof was last permitted on Feb 16, 2018 at a declared value of $25,600.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Feb 16, 2018 | otc alterations permit: removal of floor surfaces at existing 3 decks in front and back of building; removal of existing 3 membranes; installation of new membrane roofing system on decks, re-installation of decks | Roofing | $25,600 | — | Finaled Feb 23, 2018 | 201802161568 |
| Sep 21, 2017 | ReRoof: reroofing. n/a for maher | Roofing | $11,000 | — | Finaled Dec 18, 2017 | 201709219208 |
On Prospect Ave
55 permits on record on Prospect Ave.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 42 | 4 | — | under 5 | May 27, 2026 |
| Plumbing | 10 | 2 | — | under 5 | Sep 21, 2026 |
| Heating and cooling | 2 | 0 | — | under 5 | Jul 17, 2020 |
| Electrical | 1 | 0 | — | under 5 | Aug 7, 2018 |
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.