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General ConstructionCanoga Park-West Hills-Winnetka-Woodland HillsPermit issued

Attic Insulation Installation at 23151 W Mariano St, Los Angeles

23151 W MARIANO ST, Canoga Park-West Hills-Winnetka-Woodland Hills, 91367

Winston

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Reported project cost

$2,500

As declared on the permit filing. Bldg-Alter/Repair.

Issued
July 9, 2026
Expires
—
License
B

What was permitted

This permit covers the installation of a radiant barrier and/or insulation in the attic of a residential building located in the Canoga Park - West Hills area of Los Angeles. This type of work is typically done to improve energy efficiency.

Issued on July 9, 2026, the estimated cost for this attic insulation project is $2,500. This provides a clear cost reference for homeowners interested in improving their home's thermal performance.

Plan a similar project

Want work like this done at your place?

Tell us what you have in mind. We scope it, price it against work like this in Canoga Park-West Hills-Winnetka-Woodland Hills, and lines up the right contractor. You approve; we handle the back-and-forth.

View the official permit record

Tracking number, work description, cost and dates

Tracking number26016-20000-18042
Work permit #—
Job filing number—
Work typeBldg-Alter/Repair
StatusIssued
Job descriptionInstall radiant barrier and/or insulation in attic for residential buildings.
Floor / unit—
Estimated cost$2,500
Approved—
IssuedJuly 9, 2026
Expires—
BBL—
BIN—

Related searches

Attic InsulationRadiant BarrierCanoga Park - West HillsLos AngelesEnergy Efficiency$2,500