21 Madison St, San Francisco
1 home-service permit on record at 21 Madison St, San Francisco; the roof was last permitted on Oct 6, 2015 at a declared value of $2,400.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Oct 6, 2015 | ReRoof: reroofing | Roofing | $2,400 | — | issued | 201510068946 |
On Madison St
36 permits on record on Madison St.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 26 | 8 | $13,000 | $8,355–$17,200 | Jun 26, 2026 |
| Plumbing | 3 | 0 | — | under 5 | Jan 11, 2022 |
| Electrical | 3 | 0 | — | under 5 | Apr 2, 2018 |
| Water heater | 2 | 2 | — | under 5 | Jul 27, 2026 |
| Heating and cooling | 2 | 0 | — | under 5 | Jul 23, 2024 |
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.