428 Collingwood St, San Francisco
2 home-service permits on record at 428 Collingwood St, San Francisco; the roof was last permitted on Oct 14, 2025 at a declared value of $340,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Oct 14, 2025 | additions alterations or repairs: reduce the existing roof deck & convert/expand the stair penthouse in order to add a 4th floor home office | Roofing | $340,000 | — | issued | 202307071655 |
| Dec 22, 2015 | additions alterations or repairs: horizontal addition, vertical addition of one story, additional 3 bedrooms and 3 baths on level 3, new interior layout on all floors, new electrical, new plumbing, new roof deck, minor excavation and finishing of garage level | Roofing | $466,928 | — | Finaled Oct 11, 2017 | 201503272078 |
On Collingwood St
73 permits on record on Collingwood St.
| Trade | Permits | Since Oct 5, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 52 | 15 | $22,400 | $8,940–$80,500 | Aug 14, 2026 |
| Plumbing | 14 | 2 | — | under 5 | Aug 18, 2026 |
| Electrical | 4 | 2 | — | under 5 | Aug 6, 2026 |
| Water heater | 3 | 0 | — | under 5 | May 12, 2022 |
Roof replacement cost in San Francisco
Across 5,872 one- and two-family reroof permits since October 5, 2024, most declared values run from $7,655 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,792. 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 5, 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 5, 2026. Owner names are not shown on any page.