1435 Lyon St, San Francisco
1 home-service permit on record at 1435 Lyon St, San Francisco; the roof was last permitted on Apr 27, 2023 at a declared value of $185,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Apr 27, 2023 | additions alterations or repairs: addition to upper residential unit existing 3-story, 2-unit bldg. unit will be extended off the rear w/ new fl area and roof deck. new spiral stair proposed to replace existing ext stair that is slated for removal. unit will also have an addition at north side that will extend over existing fl below | Roofing | $185,000 | — | issued | 202104219076 |
On Lyon St
140 permits on record on Lyon St.
| Trade | Permits | Since Oct 4, 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 5,889 one- and two-family reroof permits since October 4, 2024, most declared values run from $7,650 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,760. 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 291 one- and two-family heating and cooling permits since October 4, 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. 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 4, 2026. Owner names are not shown on any page.