643 Oak St, San Francisco
2 home-service permits on record at 643 Oak 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 |
|---|---|---|---|---|---|---|
| Mar 11, 2021 | otc alterations permit: installation of new washer and dryer sets. install 2 new receptacles, 1 " hot and cold water lines, drain and gas line attached to existing conditions. new vents for dryer | Plumbing | $5,000 | — | Finaled Jul 30, 2021 | 202103116359 |
| Apr 6, 2017 | otc alterations permit: patch & repair wall and celing finishes, provide type x 5/8 gyp, that are being exposted to perform plumbin work. the work will be done in the nine dwelling units. max 100sf in each unit. meps sep unit 0 | Plumbing | $10,000 | — | Finaled Feb 21, 2019 | 201704063410 |
On Oak St
141 permits on record on Oak St.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 83 | 14 | $22,300 | $12,900–$43,898 | Jul 13, 2026 |
| Plumbing | 25 | 6 | $63,904 | $37,500–$122,500 | Aug 12, 2026 |
| Electrical | 19 | 5 | $23,500 | $430–$97,400 | Aug 6, 2026 |
| Heating and cooling | 6 | 4 | — | under 5 | Mar 13, 2026 |
| Water heater | 6 | 1 | — | under 5 | Mar 19, 2025 |
| Solar | 2 | 0 | — | under 5 | Apr 25, 2024 |
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. 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. 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.