4038 18th St, San Francisco
2 home-service permits on record at 4038 18th St, San Francisco; the roof was last permitted on Aug 28, 2023 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 |
|---|---|---|---|---|---|---|
| Apr 23, 2024 | otc alterations permit: revision to pa# 2021-0830-7366 to show wetbar near the kitchen. note 36" electric furnace in living room and master bedroom. change glass guardrail to metal guardrail in living room unit 0 | Heating and cooling | $8,000 | — | Finaled May 1, 2024 | 202404170195 |
| Aug 28, 2023 | otc alterations permit: rev to pa 202108307366: wall at north elevation of decks to remain at 2/f & 3/f. new walls at east elevation of decks; roof above decks to remain unit 0 | Roofing | $10,000 | — | Finaled May 1, 2024 | 202308285389 |
On 18th St
231 permits on record on 18th St.
| Trade | Permits | Since Oct 7, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 125 | 23 | $16,700 | $12,270–$65,000 | Sep 22, 2026 |
| Electrical | 35 | 2 | — | under 5 | Jul 20, 2026 |
| Heating and cooling | 33 | 2 | — | under 5 | Jul 30, 2026 |
| Plumbing | 30 | 2 | — | under 5 | Jun 9, 2026 |
| Water heater | 7 | 1 | — | under 5 | Oct 5, 2026 |
| Solar | 1 | 0 | — | under 5 | Oct 16, 2017 |
Roof replacement cost in San Francisco
Across 5,870 one- and two-family reroof permits since October 7, 2024, most declared values run from $7,650 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,797. 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 294 one- and two-family heating and cooling permits since October 7, 2024, most declared values run from $31 to $228,385 (the middle 80%); the median is $25,998 and half fall between $5,125 and $120,000. 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 7, 2026. Owner names are not shown on any page.