522 Hayes St, San Francisco
2 home-service permits on record at 522 Hayes St, San Francisco; the roof was last permitted on Apr 21, 2015 at a declared value of $1.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Apr 21, 2015 | otc alterations permit: #2: update kitchen & bathroom (electrical & plumbing under separate permit); update/install kitchen cabinets, non -structural | Plumbing | $18,000 | — | expired | 201504214253 |
| Apr 21, 2015 | otc alterations permit: unit 3c: revision to permit 201309237537; no new vent through lightwell @ unit 3c, everything else the same. new wall heater connected to old gas vent to roof @ unit 3c | Roofing | $1 | — | Finaled Jun 17, 2015 | 201504214251 |
On Hayes St
197 permits on record on Hayes St.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 90 | 14 | $22,200 | $8,150–$94,600 | May 14, 2026 |
| Plumbing | 45 | 4 | — | under 5 | Apr 10, 2026 |
| Electrical | 39 | 1 | — | under 5 | Apr 23, 2026 |
| Heating and cooling | 14 | 0 | — | under 5 | Dec 6, 2023 |
| Water heater | 7 | 2 | — | under 5 | Aug 26, 2025 |
| Solar | 2 | 0 | — | under 5 | Mar 1, 2018 |
Roof replacement cost in San Francisco
Across 5,896 one- and two-family reroof permits since October 3, 2024, most declared values run from $7,650 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,788 and $21,763. 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 291 one- and two-family heating and cooling permits since October 3, 2024, most declared values run from $1 to $224,616 (the middle 80%); the median is $25,196 and half fall between $5,000 and $116,433. 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 3, 2026. Owner names are not shown on any page.