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Solar InstallationPortolaPermit issued

Solar Installation at 520 Cambridge St, Portola

520 Cambridge St, Portola, 94134

Winston

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Reported project cost

$44,735

As declared on the permit filing. 2 Family Dwelling.

Issued
September 1, 2026
Expires
—
License
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What was permitted

This project involved the installation of a significant solar power system for a two-family dwelling. It includes 13 solar PV modules totaling 5.655 kW and a 15 kWh energy storage unit, designed for rooftop and backyard placement.

The permit for this solar installation was completed and issued on September 1, 2026, with an estimated project cost of $44,735. The work was performed by Oxypower Inc Dba Occidental Power.

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View the official permit record

Tracking number, work description, cost and dates

Tracking numberS20260727693
Work permit #—
Job filing number—
Work type2 Family Dwelling
Statuscomplete
Job descriptionsolar permit: installing 13 solar pv modules, 435 watts per module, total no. of rating 5.655 kw. mounted: roof, ballasted: n, including 1 energy storage unit, with 15 kwh each in capacity, ess units will not be closer than 3 feet | rooftop pv and bess in backyard
Floor / unit—
Estimated cost$44,735
ApprovedSeptember 1, 2026
IssuedSeptember 1, 2026
Expires—
BBL—
BIN—

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solar installationPortolaSan Franciscotwo-family dwellingenergy storage$40k-$50k cost