643 Webster St, San Francisco
4 home-service permits on record at 643 Webster St, San Francisco; the roof was last permitted on Aug 29, 2017 at a declared value of $31,650.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Feb 6, 2019 | otc alterations permit: unit 7:remodel kitchen & bathroom d/w ventless under counter washer & dryer combo cabinets , coutertops. plumbing fixtures & appliances, @ kitchen tile floor vanity @ bathrooms electrical gfci oulets, kitchen 8'2" x7 0" bahroom 5'5" x7' 4" all 9n) lighting shall be high efficiency | Plumbing | $33,000 | — | Finaled Sep 16, 2019 | 201902011940 |
| Dec 7, 2018 | otc alterations permit: unit #9 3rd fl. demo of non-structural walls, remodel kitchen, new plumbing fixtures, new lighting at j. boxes add dishwashier and washer/dryer. remodel bathroom in kind no change to mechanical, no structural work or exterior work | Plumbing | $36,837 | — | Finaled Jun 11, 2019 | 201811014800 |
| Aug 29, 2017 | ReRoof: reroofing | Roofing | $31,650 | — | Finaled Sep 22, 2017 | 201708296271 |
| Dec 28, 2015 | otc alterations permit: unit #6 & 10. demo of non structural walls, new cabinets, plumbing fixtures, new lighting & elect. no mechanical | Plumbing | $140,000 | — | Finaled May 6, 2016 | 201510270851 |
On Webster St
192 permits on record on Webster St.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 95 | 14 | $18,000 | $11,250–$1,297,174 | Jul 27, 2026 |
| Plumbing | 68 | 5 | $33,922 | $13,200–$61,000 | Jun 25, 2026 |
| Electrical | 13 | 0 | — | under 5 | Nov 1, 2023 |
| Heating and cooling | 10 | 4 | — | under 5 | Jul 14, 2026 |
| Water heater | 4 | 2 | — | under 5 | Oct 10, 2025 |
| Solar | 2 | 2 | — | under 5 | Aug 24, 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. 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. 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.