451 11th Ave, San Francisco
1 home-service permit on record at 451 11th Ave, San Francisco; the roof was last permitted on Sep 16, 2025 at a declared value of $465,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Sep 16, 2025 | additions alterations or repairs: 1/f: excavate 1ft & relocate unit 451 to lower level. 20x14ft rear horiz addition. add 1200sf with 2bed & 2bath.2/f unit 449 to 2 levels. kitchen & bath remodel. new roof deck over rear add. infill nrth lightwell. 3/f: bath remodel. new laundry & bath | Roofing | $465,000 | — | issued | 202504094055 |
On 11th Ave
191 permits on record on 11th Ave.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 140 | 34 | $17,250 | $11,060–$51,000 | Aug 4, 2026 |
| Plumbing | 21 | 4 | — | under 5 | Aug 18, 2026 |
| Electrical | 12 | 2 | — | under 5 | Jul 2, 2026 |
| Heating and cooling | 8 | 3 | — | under 5 | Aug 4, 2026 |
| Solar | 5 | 4 | — | under 5 | Sep 18, 2026 |
| Water heater | 5 | 0 | — | under 5 | Oct 21, 2022 |
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.