345 Montgomery St, San Francisco
4 home-service permits on record at 345 Montgomery St, San Francisco; the roof was last permitted on Jun 18, 2019 at a declared value of $267,123.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Oct 2, 2019 | sign - erect: 3 electric single faced wall signs 5'4 3/8 x 32' | Electrical | $20,000 | — | issued | 201909303031 |
| Sep 26, 2019 | additions alterations or repairs: fire alarm - new facu, 3 power supplies, 84 modules, 2 asd detectors, 1 pull station, 136 smoke detectors, 15 duct detectors, 4 beam detectors, and 86 speaker strobes. ref pa #201712045429 | Heating and cooling | $150,000 | — | issued | 201901039511 |
| Jun 18, 2019 | ReRoof: reroofing | Roofing | $267,123 | — | issued | 201906173630 |
| Jan 18, 2018 | otc alterations permit: lighting demo for b2 level 3. no structural demo. demo of non bearing partitions, wall, finishes, floor and ceilng finishes. mechanical demo of ducts, requirements. ab-017. maintain fire dampers as necessary | Heating and cooling | $400,000 | — | issued | 201710201829 |
On Montgomery St
849 permits on record on Montgomery St.
| Trade | Permits | Since Oct 5, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 69 | 14 | $16,250 | $1,501–$299,009 | Jun 26, 2026 |
| Electrical | 324 | 41 | $60,000 | $14,450–$200,000 | Sep 15, 2026 |
| Heating and cooling | 308 | 28 | $42,514 | $13,434–$292,800 | Aug 21, 2026 |
| Plumbing | 140 | 18 | $185,000 | $3,000–$1,290,000 | Sep 15, 2026 |
| Water heater | 6 | 0 | — | under 5 | May 11, 2023 |
| Solar | 2 | 0 | — | under 5 | Jul 16, 2021 |
Roof replacement cost in San Francisco
Across 5,872 one- and two-family reroof permits since October 5, 2024, most declared values run from $7,655 to $32,000 (the middle 80%); the median is $15,000 and half fall between $10,800 and $21,792. 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 5, 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 5, 2026. Owner names are not shown on any page.