109 Flood Ave, San Francisco
2 home-service permits on record at 109 Flood Ave, San Francisco; the roof was last permitted on Jan 17, 2024 at a declared value of $16,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Oct 17, 2024 | otc alterations permit: revision to pa # 2019-0131-1713 remodel bathroom in unit 107. replace furnace in unit 107 & 109. replace water heater w/tankless water heater in unit 107 & 109. reconstruct landing & stairs at back of unit #109 | Water heater | $32,000 | — | Finaled Aug 12, 2025 | 202410112865 |
| Jan 17, 2024 | otc alterations permit: rev to pa# 2023-0804-3759; new concrete slab. new footing at front. new 2x4 studs nailed to 2x4 stud at side walls. new 2x6 studs at front and back. put 2x8 sister on roof rafter, put 3/8 cdx sheathing to left side wall. all work in exist. garage convert to new adu area | Roofing | $16,000 | — | Finaled Sep 10, 2024 | 202401174084 |
On Flood Ave
52 permits on record on Flood Ave.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 40 | 4 | — | under 5 | Jun 17, 2025 |
| Plumbing | 6 | 1 | — | under 5 | Apr 24, 2026 |
| Heating and cooling | 4 | 0 | — | under 5 | Oct 13, 2023 |
| Water heater | 1 | 1 | — | under 5 | Oct 17, 2024 |
| Electrical | 1 | 0 | — | under 5 | Jun 2, 2020 |
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. 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 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. 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 3, 2026. Owner names are not shown on any page.