11535 N PORTER VALLEY DR, Chatsworth - Porter Ranch, 91326
Homeowners in Chatsworth - Porter Ranch can research the costs of energy efficiency upgrades like attic insulation. This permit covers the installation of a radiant barrier and/or insulation in the attic of a residential building, with an estimated project cost of $6,500.
Issued on June 25, 2026, this alteration and repair project is for a 1 or 2 family dwelling. The contractor is listed as 'Unknown', which is typical for smaller, specialized home improvement tasks.
An estimated $6,500 for attic insulation in Chatsworth - Porter Ranch highlights a significant investment in home energy efficiency.
Issued
June 25, 2026
Expires
—
License
B
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Filed by F G G Builders · 1 permits across 1 area
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 26016-90000-16910 |
| 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 | $6,500 |
| Approved | — |
| Issued | June 25, 2026 |
| Expires |
| — |
| BBL | — |
| BIN | — |