2691 20th Ave, San Francisco
2 home-service permits on record at 2691 20th Ave, San Francisco; the roof was last permitted on Jul 21, 2025 at a declared value of $16,600.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jul 21, 2025 | ReRoof: re-roof. hot work. flat roof: remove tar & gravel roof to the roof sheathing & reroof using modified roofing membrane gta torch down on entire roof area | Roofing | $16,600 | — | Finaled Feb 12, 2026 | 202507211221 |
| May 14, 2015 | otc alterations permit: comply with nov 201522541: replace kitchen sink with bar sink. remove gas range; remove portion of gas line leading to range. install approved smoke alarms and carbon monoxide detectors. fix wall cabinets in place with required hard ware | Plumbing | $4,000 | — | expired | 201505055447 |
On 20th Ave
424 permits on record on 20th Ave.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 202 | 33 | $15,000 | $9,200–$39,407 | May 26, 2026 |
| Electrical | 90 | 4 | — | under 5 | Sep 12, 2025 |
| Plumbing | 61 | 10 | $70,500 | $1–$212,500 | Jun 30, 2026 |
| Heating and cooling | 54 | 6 | $50,000 | $12,409–$253,500 | Sep 14, 2026 |
| Water heater | 16 | 1 | — | under 5 | Oct 14, 2025 |
| Solar | 1 | 1 | — | under 5 | Aug 11, 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. 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 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. 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 3, 2026. Owner names are not shown on any page.