3278 21st St, San Francisco
3 home-service permits on record at 3278 21st 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 9, 2021 | otc alterations permit: 2nd flr remodel remodel - relocate kitchen, add two bathrms, modify partition walls. remodel of bath, utility rm, replace water heater & furnace under separate pa# 2021-0513-0431. interior work only | Water heater | $60,000 | — | Finaled Oct 13, 2021 | 202106092027 |
| May 13, 2021 | otc alterations permit: unit b: remodel existing bathroom & utility room in kind. replace furnace & water heater intake | Water heater | $20,000 | — | issued | 202105130341 |
| Dec 20, 2017 | otc alterations permit: mech plan - adding new furnace only. shell & core only title 24 maher na | Heating and cooling | $8,000 | — | Finaled Feb 28, 2018 | 201712196806 |
On 21st St
181 permits on record on 21st St.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 123 | 21 | $15,000 | $10,000–$257,293 | Jun 18, 2026 |
| Plumbing | 21 | 2 | — | under 5 | Mar 27, 2026 |
| Electrical | 16 | 4 | — | under 5 | Sep 29, 2026 |
| Heating and cooling | 10 | 4 | — | under 5 | Mar 23, 2026 |
| Water heater | 8 | 2 | — | under 5 | Jun 18, 2026 |
| Solar | 3 | 0 | — | under 5 | May 8, 2024 |
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.