43 Middlefield Dr, San Francisco
1 home-service permit on record at 43 Middlefield Dr, San Francisco; the roof was last permitted on Aug 11, 2021 at a declared value of $205,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Aug 11, 2021 | otc alterations permit: convert family room into 2 bedrooms, 2 full bath. construct laundry & front door at 1st fl. remodel bathroom. relocate kitchen. add 1 bathroom. replace sheetrock. remove 2nd fl interior staircase. install handrail & stair on lower roof at rear. infill lightwell. add 3 skylights | Roofing | $205,000 | — | Finaled Aug 18, 2022 | 202105039696 |
On Middlefield Dr
17 permits on record on Middlefield Dr.
| Trade | Permits | Since Oct 3, 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 5,896 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. 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 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. 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 3, 2026. Owner names are not shown on any page.