16437 W LAHEY ST, Granada Hills - Knollwood, 91344
A significant addition and accessory dwelling unit (ADU) conversion project has been permitted for a property in Granada Hills - Knollwood, Los Angeles. This project involves constructing a 30-foot by 18-foot, 8-inch addition and converting an existing detached garage into an ADU.
Issued on July 30, 2026, the estimated project cost for this ADU conversion and addition is $31,000. The permit is for a 1 or 2 family dwelling.
Homeowners in Granada Hills - Knollwood looking to add an ADU can reference the project at 16437 W La Hey St, which involved a $31,000 cost for a substantial addition and garage conversion.
Issued
July 30, 2026
Expires
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Filed by Owner-Builder
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 26014-20000-00830 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | Bldg-Addition |
| Status | Issued |
| Job Description | 30'-0" X 18'-8" ADDITION TO AND CONVERT (E) DETACHED GARAGE TO ACCESSORY DWELLING UNIT PER LAMC 12.22 A.33(b)(1).SEE COMMENTS |
| Floor / Unit | — |
| Estimated Cost | $31,000 |
| Approved | March 5, 2026 |
| Issued | July 30, 2026 |
| Expires |
| — |
| BBL | — |
| BIN | — |