310 Colon Ave, San Francisco
1 home-service permit on record at 310 Colon Ave, San Francisco; no roofing permit on record.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Mar 7, 2025 | otc alterations permit: upgrade panel to 200 amp & all electrical to current code. remove and install new high efficiency furnace. replace one exterior door basement , replace 2 exterior door second floor . not visible from st | Heating and cooling | $20,000 | — | Finaled May 23, 2025 | 202503071842 |
On Colon Ave
31 permits on record on Colon Ave.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 21 | 7 | $15,000 | $6,400–$21,541 | Apr 9, 2026 |
| Electrical | 5 | 1 | — | under 5 | Oct 8, 2024 |
| Plumbing | 3 | 1 | — | under 5 | May 22, 2025 |
| Heating and cooling | 2 | 1 | — | under 5 | Mar 7, 2025 |
Roof replacement cost in San Francisco
Across 5,921 one- and two-family reroof permits since October 2, 2024, most declared values run from $7,700 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,770. 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 292 one- and two-family heating and cooling permits since October 2, 2024, most declared values run from $1 to $224,154 (the middle 80%); the median is $25,098 and half fall between $5,000 and $115,240. 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 2, 2026. Owner names are not shown on any page.