424 Townsend St, San Francisco
2 home-service permits on record at 424 Townsend 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 |
|---|---|---|---|---|---|---|
| Dec 6, 2017 | otc alterations permit: built 201706068569. new radio comm new monitor modules to tie in duct det to e panel.install new notification appliances,relocate e from wall to ceiling. ref 201708296325, pmw2017113288, pmw20171113287 | Heating and cooling | $3,600 | — | Finaled Dec 20, 2017 | 201712065690 |
| Feb 9, 2017 | otc alterations permit: remove non-structural partitions, add 2 restrooms, upgrade plumbing supply, waste, drain & vent lines; add ada compliant wheel chair ramp, add new entry door in-kind, replace overhead roll up door, add water service for future fire sprinklers | Plumbing | $120,000 | — | Finaled Jan 26, 2018 | 201612013868 |
On Townsend St
208 permits on record on Townsend St.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 29 | 2 | — | under 5 | Jan 29, 2026 |
| Heating and cooling | 88 | 4 | — | under 5 | Sep 30, 2026 |
| Electrical | 63 | 5 | $75,000 | $6,200–$204,605 | Jun 25, 2026 |
| Plumbing | 27 | 3 | — | under 5 | Sep 30, 2026 |
| Solar | 1 | 0 | — | under 5 | Apr 1, 2019 |
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. 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. 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.