What was permitted
A building permit has been issued for window and door replacements at 17511 W MAYERLING ST in the Granada Hills - Knollwood neighborhood of Los Angeles. This project involves changing out one door and potentially windows of the same size and type, requiring dual-glazed, NFRC-certified units.
The permit was issued on October 19, 2026, with an estimated project cost of $501. The contractor is listed as Unknown for a 1 or 2 Family Dwelling.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 26016-90000-29056 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Bldg-Alter/Repair |
| Status | Issued |
| Job description | 1 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. |
| Floor / unit | — |
| Estimated cost | $501 |
| Approved | — |
| Issued | October 19, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Related searches
window replacementdoor replacementGranada Hills - KnollwoodLos Angelesbuilding permitresidential upgrade$501 project cost