841 47th Ave, San Francisco
3 home-service permits on record at 841 47th Ave, San Francisco; the roof was last permitted on May 14, 2019 at a declared value of $10,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| May 14, 2019 | otc alterations permit: reroof paint/repair door, less than 50% repair | Roofing | $10,000 | — | Finaled May 23, 2019 | 201905140556 |
| Aug 23, 2018 | otc alterations permit: revision to 201708185255 remove proposed front roof deck. minor interior modification per plans. replace front 3 windows in kind with aluminum clad wood windows | Roofing | $2,000 | — | Finaled May 28, 2019 | 201808076681 |
| Oct 31, 2017 | otc alterations permit: 1/f: add 2 bedrooms, 2 full baths, family room and laundry room. 2/f: remodel kitchen, bathroom and reconfigure interior stairs. 3/f: remodel bath, add new roof deck | Roofing | $130,000 | — | Finaled May 28, 2019 | 201708185255 |
On 47th Ave
282 permits on record on 47th Ave.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 223 | 47 | $13,000 | $7,620–$49,277 | Jun 17, 2026 |
| Plumbing | 22 | 2 | — | under 5 | Oct 3, 2025 |
| Electrical | 13 | 3 | — | under 5 | Jul 29, 2026 |
| Water heater | 10 | 1 | — | under 5 | May 29, 2026 |
| Heating and cooling | 8 | 3 | — | under 5 | Jan 28, 2026 |
| Solar | 6 | 6 | $36,990 | $24,555–$43,987 | Aug 24, 2026 |
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.