145 Mountain Spring Ave, San Francisco
1 home-service permit on record at 145 Mountain Spring Ave, San Francisco; the roof was last permitted on Nov 24, 2020 at a declared value of $50,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Nov 24, 2020 | otc alterations permit: 3rd flr-reconfig master bath & hall closet to incl a tub, shower & exterior window by tub. add sun-tube/small skylt over tub/shower, bring back roof deck. roof frame replacement in-kind over kitch & din rm. 2nd flr-replace rear windows & drs in bedrm 2,3 & office. nook in bath 2&3 | Roofing | $50,000 | — | Finaled Apr 4, 2022 | 202011038106 |
On Mountain Spring Ave
13 permits on record on Mountain Spring Ave.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 9 | 2 | — | under 5 | Sep 5, 2025 |
| Electrical | 4 | 1 | — | under 5 | Aug 1, 2025 |
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.