17842 W HIAWATHA ST, Granada Hills - Knollwood, 91344
Homeowners in Granada Hills - Knollwood can review a recent permit for a significant window and door replacement project. This work involves changing out 10 windows and potentially doors, ensuring dual glazing and NFRC certification for energy efficiency.
Issued on July 31, 2026, this project has an estimated cost of $84,006 and was handled by Tri Tech Restoration & Construction Co Inc. The permit also includes replacing drywall, indicating a broader renovation scope.
A substantial $84,006 project in Granada Hills - Knollwood involves replacing 10 windows and doors, plus drywall, for improved energy efficiency.
Issued
July 31, 2026
Expires
—
License
B
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Filed by Tri Tech Restoration & Construction Co Inc · 11 permits across 8 areas
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 26016-90000-20260 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | Bldg-Alter/Repair |
| Status | Issued |
| Job Description | 10 window(s). Window and door change-out (same size & type) for residential buildings. Dual glazing, labeled and certified by National Fenestration Rating Council (NFRC), is required for doors and windows replaced in all residential buildings, three stories or less, per Title 24, Part 6, Section 150.2(b)1B.5 door(s). Window and door change-out (same size & type) for residential buildings. Dual glazing, labeled and certified by National Fenestration Rating Council (NFRC), is required for doors and windows replaced in all residential buildings, three stories or less, per Title 24, Part 6, Section 150.2(b)1B.Replace drywall (no new walls added) for single family dwellings and duplexes only. |
| Floor / Unit | — |
| Estimated Cost | $84,006 |
| Approved | — |
| Issued | July 31, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |