What was permitted
Residents in Granada Hills - Knollwood can review a permit for a significant window and door replacement project at 16935 W Blackhawk St. This project involves changing out 29 windows and 6 doors of the same size and type.
Issued on August 10, 2026, the estimated cost for this work on an apartment building is $40,167. The permit specifies that dual glazing, certified by the NFRC, is required for all replaced doors and windows in residential buildings three stories or less.
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