451 17th Ave, San Francisco
3 home-service permits on record at 451 17th Ave, San Francisco; the roof was last permitted on Jan 25, 2019 at a declared value of $2,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jan 25, 2019 | otc alterations permit: revision to pa 201706068577 add 1 skylight on a flat roof | Roofing | $2,000 | — | Finaled Jan 31, 2019 | 201901251291 |
| Aug 16, 2017 | ReRoof: reroofing | Roofing | $8,000 | — | Finaled Mar 1, 2019 | 201708165010 |
| Jun 7, 2017 | otc alterations permit: comply with nov #201782601. 1st fl: gym rm, replace water heater and furnace. 2nd fl: remodel kitchen, powder rm & studio. 3rd fl: convert bathroom into master suite & 2nd bath; add laundry and closets | Water heater | $100,000 | — | expired | 201706068577 |
On 17th Ave
288 permits on record on 17th Ave.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 219 | 39 | $14,750 | $9,900–$38,060 | Jun 11, 2026 |
| Plumbing | 27 | 5 | $25,000 | $14,221–$55,000 | Sep 28, 2026 |
| Electrical | 21 | 6 | $30,000 | $2,250–$218,000 | Aug 21, 2026 |
| Water heater | 12 | 6 | $176,400 | $43,500–$335,727 | Sep 17, 2026 |
| Heating and cooling | 7 | 1 | — | under 5 | Apr 20, 2026 |
| Solar | 2 | 1 | — | under 5 | Apr 29, 2026 |
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.