40 27th Ave, San Francisco
2 home-service permits on record at 40 27th Ave, San Francisco; the roof was last permitted on Aug 26, 2020 at a declared value of $1.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Aug 26, 2020 | additions alterations or repairs: alter site pa 2015-1120-3277 s/r1 replace 3 windows @ 2nd story kitchen. construct 5' dia spiral stair connecting master deck to roof deck. construct 399 sf roof deck @ 4th level along w/glass windscreen. building to remain 3 stories | Roofing | $1 | — | cancelled | 201910184957 |
| Feb 23, 2017 | additions alterations or repairs: vertical addition. replace 3 windows @2/fl with casement style. construct new windscreen "return" @ 4th flr, & new interal stair from 3rd fl to 4th flr. construct new roof deck with access hatch | Roofing | $85,000 | — | cancelled | 201511203277 |
On 27th Ave
275 permits on record on 27th Ave.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 208 | 66 | $13,850 | $7,150–$29,500 | Jun 29, 2026 |
| Plumbing | 26 | 6 | $28,096 | $7,501–$104,096 | Aug 4, 2026 |
| Electrical | 18 | 1 | — | under 5 | Jul 14, 2026 |
| Water heater | 12 | 2 | — | under 5 | Feb 10, 2025 |
| Heating and cooling | 8 | 1 | — | under 5 | Mar 19, 2025 |
| Solar | 3 | 3 | — | under 5 | May 8, 2026 |
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.