1918 Mason St, San Francisco
2 home-service permits on record at 1918 Mason St, 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 2, 2020 | otc alterations permit: remodel kitchen cabinets & kitchen floor. install new kitchen cabinets & vinyl floor. add 2 recessed can lights, kitchen hood. all plumbing into the location. remove pantry door & isntall new pocket door, paint unit 0 | Plumbing | $45,000 | — | Finaled May 21, 2021 | 202009023248 |
| Sep 12, 2019 | otc alterations permit: remodel bath, new tile, replace e plumbing fixtures, paint, add 2 recessed lights, replace exhaust fan, change bath, sink faucet, toilet) unit 0 | Plumbing | $15,000 | — | Finaled Dec 24, 2019 | 201909121526 |
On Mason St
146 permits on record on Mason St.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 74 | 10 | $17,950 | $6,300–$45,510 | Aug 17, 2026 |
| Plumbing | 30 | 6 | $46,010 | $5,000–$82,500 | Mar 16, 2026 |
| Electrical | 21 | 3 | — | under 5 | Jun 10, 2026 |
| Heating and cooling | 14 | 1 | — | under 5 | Sep 4, 2025 |
| Solar | 4 | 1 | — | under 5 | Feb 12, 2025 |
| Water heater | 3 | 0 | — | under 5 | Mar 6, 2024 |
Roof replacement cost in San Francisco
Across 5,896 one- and two-family reroof permits since October 3, 2024, most declared values run from $7,650 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,788 and $21,763. 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 291 one- and two-family heating and cooling permits since October 3, 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. 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 3, 2026. Owner names are not shown on any page.