451 Frederick St, San Francisco
1 home-service permit on record at 451 Frederick 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 |
|---|---|---|---|---|---|---|
| Jun 2, 2023 | otc alterations permit: lower level bathroom to have all plumbing fixtures removed no plumbing is to remain in the lower level bathroom, all shower tile and shower pan to be removed as well. no remodelling | Plumbing | $5,000 | — | issued | 202305087294 |
On Frederick St
54 permits on record on Frederick St.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 32 | 5 | $22,000 | $12,200–$62,300 | Oct 15, 2025 |
| Plumbing | 14 | 1 | — | under 5 | Jun 17, 2026 |
| Heating and cooling | 4 | 0 | — | under 5 | Oct 31, 2023 |
| Electrical | 4 | 0 | — | under 5 | Apr 28, 2023 |
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.