329 18th Ave, San Francisco
2 home-service permits on record at 329 18th Ave, 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 |
|---|---|---|---|---|---|---|
| Sep 19, 2018 | otc alterations permit: replace 100 sheets of 5/8 type "x" sheetrock on walls & ceiling throughout middle level unit built in 1984. replace new central gas heater, no ducts. install two new subpanel, onw 100 amps and one 70 amps. rewire top and bottom, install 7 new gfic. no change in opening & wall layout | Heating and cooling | $25,000 | — | issued | 201809190775 |
| Jun 28, 2016 | otc alterations permit: comply w/ nov#201564441 - 3/f -fire restoration for entire unit, remodel 2 bathrooms, kitchen, replace water heater & furnace, junciton box, and all affected by fire, install new insulation & drywall affected by fire, no changes of walls layout | Water heater | $100,000 | — | expired | 201606281123 |
On 18th Ave
264 permits on record on 18th Ave.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 196 | 34 | $16,190 | $8,000–$28,689 | Sep 16, 2026 |
| Electrical | 25 | 9 | $44,000 | $400–$154,000 | Aug 26, 2026 |
| Plumbing | 22 | 5 | $28,192 | $11,000–$49,857 | Jul 15, 2026 |
| Heating and cooling | 11 | 3 | — | under 5 | May 4, 2026 |
| Water heater | 7 | 0 | — | under 5 | Nov 28, 2022 |
| Solar | 3 | 1 | — | under 5 | Mar 16, 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. 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.