2101 Bay St, San Francisco
1 home-service permit on record at 2101 Bay St, 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 |
|---|---|---|---|---|---|---|
| Dec 15, 2017 | additions alterations or repairs: grd fl: add 6 dwelling units per ordinance 30-15. soft story under separate permit #2016-0412-4607 mech, t24, elec, plumbing, fire sprinkler & alarm under separate permit. maher ordinance - extended ordinance no.155-13 n/a | Plumbing | $245,000 | — | Finaled May 14, 2019 | 201607293732 |
On Bay St
117 permits on record on Bay St.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 68 | 11 | $20,100 | $13,200–$33,800 | Apr 2, 2026 |
| Plumbing | 25 | 3 | — | under 5 | Jun 22, 2026 |
| Electrical | 16 | 2 | — | under 5 | Jan 23, 2026 |
| Heating and cooling | 4 | 1 | — | under 5 | May 14, 2026 |
| Solar | 3 | 1 | — | under 5 | Aug 13, 2026 |
| Water heater | 1 | 0 | — | under 5 | Oct 16, 2017 |
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.