478 Union St, San Francisco
1 home-service permit on record at 478 Union 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 |
|---|---|---|---|---|---|---|
| Sep 6, 2023 | otc alterations permit: abe 202001150948. building entry accessibility compliance per city of sf abe program. technical infeasibility request for existing step at entry and sloped sidewalk. replace non compliant door threshold. install battery operated intercom. curbside service | Solar | $1,000 | — | Finaled Feb 18, 2025 | 202308094068 |
On Union St
377 permits on record on Union St.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 195 | 32 | $20,520 | $5,450–$160,640 | Aug 12, 2026 |
| Plumbing | 75 | 18 | $32,332 | $140–$108,778 | Aug 19, 2026 |
| Electrical | 67 | 9 | $25,000 | $7,400–$332,614 | Aug 31, 2026 |
| Heating and cooling | 27 | 3 | — | under 5 | Jan 26, 2026 |
| Water heater | 9 | 2 | — | under 5 | Apr 2, 2026 |
| Solar | 4 | 2 | — | under 5 | Apr 9, 2026 |
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.