4074 Folsom St, San Francisco
2 home-service permits on record at 4074 Folsom St, San Francisco; the roof was last permitted on Dec 11, 2024 at a declared value of $7,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jul 16, 2025 | otc alterations permit: repair less than 50% to basement support sill and under front stairs. replacing knob and tube wiring with romex. replace water heater with new gas on demand tankless heater. open up and close drywall to accomodate electric work | Water heater | $32,000 | — | Finaled Oct 2, 2025 | 202507160931 |
| Dec 11, 2024 | ReRoof: re-roofing no hot work self adhesive | Roofing | $7,000 | — | Finaled Dec 18, 2024 | 202412116615 |
On Folsom St
536 permits on record on Folsom St.
| Trade | Permits | Since Oct 4, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 224 | 52 | $18,000 | $7,030–$167,602 | Sep 9, 2026 |
| Electrical | 113 | 19 | $25,000 | $1,340–$280,000 | Sep 28, 2026 |
| Heating and cooling | 105 | 15 | $100,000 | $5,030–$660,000 | Jul 28, 2026 |
| Plumbing | 76 | 12 | $52,096 | $1–$487,427 | Sep 10, 2026 |
| Water heater | 12 | 2 | — | under 5 | Jul 10, 2026 |
| Solar | 6 | 1 | — | under 5 | Jun 16, 2026 |
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.