3825 21st St, San Francisco
1 home-service permit on record at 3825 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 |
|---|---|---|---|---|---|---|
| Feb 6, 2024 | otc alterations permit: revision to 202103226960 addenda 1/2. rear facade door and window revision to accomodate plan shift in kitchen.structural framing revisions, mep revisions, 3rd fl add heat pump with ducted forced arir system, with roof mntd equipment, cooling only. skylight size change | Heating and cooling | $13,500 | — | Finaled Feb 6, 2025 | 202402065321 |
On 21st St
181 permits on record on 21st St.
| Trade | Permits | Since Oct 12, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 123 | 20 | $16,500 | $9,800–$261,564 | 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 5,765 one- and two-family reroof permits since October 12, 2024, most declared values run from $7,650 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,900. 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 12, 2024, most declared values run from $11 to $229,462 (the middle 80%); the median is $25,998 and half fall between $5,000 and $120,125. 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 12, 2026. Owner names are not shown on any page.