300 Folsom St, San Francisco
2 home-service permits on record at 300 Folsom 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 |
|---|---|---|---|---|---|---|
| Dec 8, 2015 | otc alterations permit: 1st floor suite 111c fire alrm including 1 duct detector, 1 control relay, 6 speaker/strobes, 2 strobes. ref #201506229538. n/a for maher | Heating and cooling | $6,000 | — | Finaled Feb 27, 2023 | 201512084389 |
| Sep 9, 2015 | otc alterations permit: t.i.- construction of coffee ship, 1990 sq.ft., install wall partitions, susp. ceiling, plumbing, electrical. installation of food service equipment. modify fire sprinklers, mechanical system. n/a ordinance #155-13 | Plumbing | $320,000 | — | issued | 201506229538 |
On Folsom St
536 permits on record on Folsom St.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 224 | 53 | $18,000 | $7,060–$163,424 | 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 5,896 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.