27 Maiden Ln, San Francisco
5 home-service permits on record at 27 Maiden Ln, San Francisco; the roof was last permitted on Jan 18, 2022 at a declared value of $35,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jan 18, 2022 | otc alterations permit: roof deck improvements: additional prefabricated pergola | Roofing | $35,000 | — | Finaled Oct 10, 2023 | 202101062120 |
| Feb 12, 2021 | otc alterations permit: interior improvements to incl new structural stair, new flooring and finishes. new flooring and furniture at roof deck | Roofing | $267,000 | — | Finaled Sep 30, 2021 | 202009023296 |
| Apr 30, 2015 | otc alterations permit: 7th floor add new fire alarm devices to an existing fire alarm system in the new t.i. space (ref #2015.0128.6852). this includes bps, 1 pull station, 1 smoke detector, 10 duct detectors, 3 strobes & 18 horn strobes. n/a maher ordinance | Heating and cooling | $8,250 | — | Finaled Jan 29, 2016 | 201503241666 |
| Mar 20, 2015 | otc alterations permit: mechanical & electrical work for ti on the 7th floor maher - not req'd arch ref pa# | Electrical | $290,000 | — | Finaled Jan 20, 2017 | 201503049917 |
| Mar 9, 2015 | otc alterations permit: revision to 2015-0128-6852; to add structural details for new stairs. roof details no maher req'd | Roofing | $1 | — | Finaled Apr 6, 2017 | 201502238983 |
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.