21 Warren Dr, San Francisco
1 home-service permit on record at 21 Warren Dr, 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 |
|---|---|---|---|---|---|---|
| Jan 23, 2015 | otc alterations permit: remodel kitchen and 2 bathrooms. all interior work. new layout in kitchen, remove nonbearing partition wall, new electrical, plmg, cabinets and fixtures. upgrade kitchen window with same size and location. bath remodel. no layout changes. new fixtures and new lighting | Electrical | $115,000 | — | Finaled Sep 8, 2015 | 201501226469 |
On Warren Dr
51 permits on record on Warren Dr.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 36 | 8 | $19,945 | $9,700–$58,810 | Apr 16, 2026 |
| Electrical | 8 | 3 | — | under 5 | Oct 3, 2025 |
| Plumbing | 4 | 1 | — | under 5 | May 30, 2025 |
| Heating and cooling | 3 | 0 | — | under 5 | Jul 12, 2016 |
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.