Attic Insulation Upgrade at 8337 N Hillary Dr, Chatsworth
8337 N HILLARY DR, Chatsworth - Porter Ranch, 91304
What was permitted
Residents in Chatsworth - Porter Ranch can find cost insights for home energy efficiency upgrades. This permit covers the installation of radiant barrier and/or insulation in the attic of a residential building.
Issued on July 13, 2026, the estimated project cost for this insulation work was $2,500. The contractor is listed as Unknown for a 1 or 2 family dwelling.
Adding attic insulation and radiant barriers in Chatsworth - Porter Ranch can cost around $2,500, improving home energy efficiency.
What it cost
Issued
July 13, 2026
Expires
—
License
1 or 2 Family Dwelling
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View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 26016-90000-18448 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | Bldg-Alter/Repair |
| Status | Issued |
| Job Description | Install radiant barrier and/or insulation in attic for residential buildings. |
| Floor / Unit | — |
| Estimated Cost | $2,500 |
| Approved | — |
| Issued | July 13, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |