809 Montgomery St, San Francisco
2 home-service permits on record at 809 Montgomery St, San Francisco; the roof was last permitted on Sep 30, 2025 at a declared value of $1.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2025 | additions alterations or repairs: deferred skylight permit associated with #202309126365 & 202309126368: shop drawing for skylight located at the roof level of 809 montgomery st | Roofing | $1 | — | issued | 202507160924 |
| Jun 24, 2024 | additions alterations or repairs: alt at 831 montgomery to accommodate bldg merger to 809 montgomery. provide openings btw bldgs for circulation. provide alt to incl studio, meeting spaces, toilet/shower rm. demo annex bldg on w façade. ext egress stair from basement to grade, roof, skylights, & mech. eqpmt, int egress stair | Roofing | $1,500,000 | — | issued | 202309126365 |
On Montgomery St
849 permits on record on Montgomery St.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 69 | 14 | $16,250 | $1,501–$299,009 | Jun 26, 2026 |
| Electrical | 324 | 41 | $60,000 | $14,450–$200,000 | Sep 15, 2026 |
| Heating and cooling | 308 | 28 | $42,514 | $13,434–$292,800 | Aug 21, 2026 |
| Plumbing | 140 | 18 | $185,000 | $3,000–$1,290,000 | Sep 15, 2026 |
| Water heater | 6 | 0 | — | under 5 | May 11, 2023 |
| Solar | 2 | 0 | — | under 5 | Jul 16, 2021 |
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.