170 Maiden Ln, San Francisco
7 home-service permits on record at 170 Maiden Ln, 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 |
|---|---|---|---|---|---|---|
| Aug 7, 2023 | otc alterations permit: built for pa202305248448. add duct detectors and relays notificcation | Heating and cooling | $56,787 | — | issued | 202308073840 |
| Jul 19, 2023 | otc alterations permit: 4/f: partial remodel hvac design, of existing multi tenant bldg, work includes an additional fan coil unit and relocation of energy recovery ventilator. work also included relocation of electrical & mechanical equipment in the electrical room, minor flr plan and equipment rev per pa# 202212218908 | Heating and cooling | $8,000 | — | issued | 202307051505 |
| May 5, 2023 | otc alterations permit: partial 4th fl remodel: non structural partitions, ceilings, furniture, finishes, related hvac, electrical, & plumbing | Heating and cooling | $80,000 | — | issued | 202212218908 |
| Feb 10, 2021 | otc alterations permit: fire alarm system replacement for elevator upgrade. add a new panel, amplifier panels, radio cellular, smoke detectors, duct detectors, pull stations, modules, relays, remote power supplies and notfication appliances. ref pa 202001292983 | Heating and cooling | $250,000 | — | Finaled Nov 29, 2021 | 202005127416 |
| Mar 28, 2019 | otc alterations permit: 5th flr electrical work for t.i pa 201902062272 | Electrical | $32,000 | — | Finaled Apr 26, 2019 | 201903286457 |
| Mar 28, 2019 | otc alterations permit: 5th flr - hvac work | Heating and cooling | $125,000 | — | Finaled Jul 10, 2019 | 201903266182 |
| Apr 20, 2015 | otc alterations permit: install 8 new duct detectors with relays for 7 fsd, 1 crac, 1 ahu shutdown, 3 pull stations, 10 wall mount speaker/strobes, 6 wall mount strobes. t.i. pa#201309166943 | Heating and cooling | $15,000 | — | Finaled May 15, 2015 | 201412173934 |
On Maiden Ln
37 permits on record on Maiden Ln.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 4 | 0 | — | under 5 | Jan 18, 2022 |
| Heating and cooling | 13 | 1 | — | under 5 | Jul 9, 2026 |
| Electrical | 13 | 2 | — | under 5 | Jul 18, 2025 |
| Plumbing | 7 | 0 | — | under 5 | Mar 4, 2020 |
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.