71 Middlefield Dr, San Francisco
2 home-service permits on record at 71 Middlefield Dr, San Francisco; the roof was last permitted on Mar 23, 2018 at a declared value of $11,800.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| May 19, 2025 | otc alterations permit: replace flooring, drywall in bathrooms, replace galvanized plumbing line with copper. replace 10 elec outlets. new windows | Plumbing | $40,000 | — | issued | 202505156570 |
| Mar 23, 2018 | ReRoof: reroofing | Roofing | $11,800 | — | issued | 201803234493 |
On Middlefield Dr
17 permits on record on Middlefield Dr.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 14 | 5 | $12,000 | $10,200–$25,178 | Dec 2, 2025 |
| Plumbing | 3 | 1 | — | under 5 | May 19, 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.