491 Bay Shore Blvd, San Francisco
4 home-service permits on record at 491 Bay Shore Blvd, San Francisco; the roof was last permitted on Dec 22, 2022 at a declared value of $138,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jun 6, 2025 | additions alterations or repairs: installation of a 510kwdc, unirac semi-ballasted, rooftop photovoltaic solar energy system, consisting of 954-heliene, 535-solar panels, 1-csi 100k inverter, 4-csi 50k inverter, 6-csi 25k inverter | Solar | $250,000 | — | Finaled Nov 12, 2025 | 202405152148 |
| Mar 19, 2025 | otc alterations permit: partial interior re-racking/re-mechandising of the sales area in existing lowe's store. disconnect and reconnect relocated electrical drops. all existing plumbing + mechanical to remain. all egress doors/interior doors to remain | Plumbing | $189,000 | — | issued | 202412277466 |
| Dec 22, 2022 | ReRoof: reroofing. commercial reroof flat roof is single ply membrane, layer, 95,633 sq.ft., new system 60mil gaf top single ply white membrane system, new system is title 24 compliant. see attached nrcc-env-01-e form | Roofing | $138,000 | — | issued | 202212228948 |
| Sep 28, 2022 | otc alterations permit: new interior ada accessible staff restroom @ back stock area. this work includes electric, mechnical and plumbing modifications for the new restroom addition | Plumbing | $100,000 | — | Finaled Apr 12, 2023 | 202208039808 |
On Bay Shore Blvd
71 permits on record on Bay Shore Blvd.
| Trade | Permits | Since Oct 6, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 28 | 4 | — | under 5 | Jul 9, 2026 |
| Electrical | 23 | 3 | — | under 5 | Aug 18, 2026 |
| Heating and cooling | 9 | 3 | — | under 5 | Jan 28, 2026 |
| Plumbing | 7 | 2 | — | under 5 | Apr 24, 2025 |
| Water heater | 3 | 1 | — | under 5 | Sep 18, 2026 |
| Solar | 1 | 1 | — | under 5 | Jun 6, 2025 |
Roof replacement cost in San Francisco
Across 5,872 one- and two-family reroof permits since October 6, 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 293 one- and two-family heating and cooling permits since October 6, 2024, most declared values run from $21 to $223,693 (the middle 80%); the median is $25,996 and half fall between $5,000 and $120,000. 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 6, 2026. Owner names are not shown on any page.