1851 Mason St, San Francisco
1 home-service permit on record at 1851 Mason St, San Francisco; the roof was last permitted on May 27, 2021 at a declared value of $12,500.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| May 27, 2021 | ReRoof: reroofing | Roofing | $12,500 | — | issued | 202105271153 |
On Mason St
147 permits on record on Mason St.
| Trade | Permits | Since Oct 12, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 75 | 11 | $20,000 | $7,000–$60,000 | Oct 9, 2026 |
| Plumbing | 30 | 5 | $29,720 | $4,400–$84,920 | 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 5,765 one- and two-family reroof permits since October 12, 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 $21,900. 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 12, 2024, most declared values run from $11 to $229,462 (the middle 80%); the median is $25,998 and half fall between $5,000 and $120,125. 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 12, 2026. Owner names are not shown on any page.