819 Lyon St, San Francisco
3 home-service permits on record at 819 Lyon St, San Francisco; the roof was last permitted on Feb 21, 2025 at a declared value of $8,560.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Sep 25, 2026 | otc alterations permit: demo of chimneys at 1st, 2nd & 3rd fl. remodel kitchen at 1st fl. relocate furnace at garage. remove two windows at garage & add a door. remodel kitchen & add a new bathroom, washer and dryer and closets at 2nd fl. ref bpa#202606183562 | Heating and cooling | $95,000 | — | issued | 202607305794 |
| Jun 18, 2026 | otc alterations permit: first floor unit: demo kitchen, install new cabinets and counter tops, new electrical plugs, new sink in kitchen. update plumbing and electrical | Plumbing | $30,000 | — | issued | 202606183562 |
| Feb 21, 2025 | ReRoof: reroofing with hot works: remove and replace approx 1800 sqft modified bitumen to be installed unit 0 | Roofing | $8,560 | — | Finaled Feb 28, 2025 | 202502210811 |
On Lyon St
140 permits on record on Lyon St.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 105 | 22 | $17,750 | $7,876–$75,350 | Sep 17, 2026 |
| Plumbing | 12 | 4 | — | under 5 | Jun 18, 2026 |
| Electrical | 12 | 0 | — | under 5 | May 1, 2024 |
| Heating and cooling | 6 | 2 | — | under 5 | Sep 25, 2026 |
| Solar | 3 | 1 | — | under 5 | Apr 3, 2026 |
| Water heater | 2 | 1 | — | under 5 | Aug 29, 2025 |
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.