ADU Conversion at 13285 W HERRON ST, Sylmar
13285 W HERRON ST, Sylmar, 91342
What was permitted
Homeowners in Sylmar considering an Accessory Dwelling Unit (ADU) can find valuable cost insights from this permit. The project involves converting an existing detached garage into an ADU, complying with specific state regulations.
This building alteration permit was issued on July 16, 2026, with an estimated project cost of $40,000. The contractor is listed as 'Unknown (1 or 2 Family Dwelling)'.
For Sylmar residents looking to add an ADU, converting a detached garage can cost approximately $40,000, as demonstrated by this recent building permit.
What it cost
Issued
July 16, 2026
Expires
—
License
1 or 2 Family Dwelling
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View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 26016-20000-17283 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | Bldg-Alter/Repair |
| Status | Issued |
| Job Description | CONVERT (E) DETACHED GARAGE TO ACCESSORY DWELLING UNIT PER GCS 66323(a)(1). all work per wfpp. "COMPLY WITH DEPARTMENT ORDER effective date 05/06/2026. PERMIT WILL EXPIRE 30 DAYS FROM ISSUANCE DATE" |
| Floor / Unit | — |
| Estimated Cost | $40,000 |
| Approved | June 30, 2026 |
| Issued | July 16, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |