322 21st Ave, San Francisco
2 home-service permits on record at 322 21st Ave, 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 |
|---|---|---|---|---|---|---|
| Mar 12, 2018 | otc alterations permit: revision to 201712065724,convert tub to shower, remove wall at rear of basement. change windows, add 1 windows , remove window. reduce window size no visible from street change wall heaters to furnace. title 24 | Heating and cooling | $1,000 | — | Finaled Aug 28, 2019 | 201802070665 |
| Dec 27, 2017 | otc alterations permit: ground floor housekeeping unit: kitchen and bathroom remodel, exhaust fan, electrical and plumbing work, remove walls, beams and post. install new beam post, and joisting. add 2nd & 3rd bedroom | Plumbing | $100,000 | — | Finaled Aug 28, 2019 | 201712065724 |
On 21st Ave
281 permits on record on 21st Ave.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 223 | 49 | $15,000 | $8,770–$28,000 | Jun 18, 2026 |
| Plumbing | 24 | 4 | — | under 5 | Feb 4, 2026 |
| Electrical | 15 | 5 | $45,215 | $19,541–$394,379 | Aug 26, 2026 |
| Water heater | 11 | 3 | — | under 5 | Sep 18, 2025 |
| Heating and cooling | 6 | 1 | — | under 5 | Sep 11, 2026 |
| Solar | 2 | 1 | — | under 5 | Aug 25, 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.