ADU Conversion at 13635 N Fellows Ave, Sylmar
13635-13635 3/4 N FELLOWS AVE, Sylmar, 91342
What was permitted
A permit has been issued for the conversion of existing storage space on the first floor into a new Accessory Dwelling Unit (ADU) at 13635 N Fellows Ave in Sylmar. The new ADU will be approximately 399 square feet.
This permit, issued on June 30, 2026, has an estimated project cost of $27,000. This project is part of a larger effort to add an ADU to an existing 3-story duplex building.
Homeowners in Sylmar looking to add an ADU should budget around $27,000 for such conversions, based on recent permits.
What it cost
Issued
June 30, 2026
Expires
—
License
—
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Filed by Owner-Builder
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 | 21016-10000-05542 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | Bldg-Alter/Repair |
| Status | Issued |
| Job Description | CONVERT (E) STORAGE ON 1ST FLOOR TO (N) ADU (399 SF) IN AN (E) 3-STORY DUPLEX BUILDING A-5R PER GCS 65852.2(E)(1)(C). 5 OF 9 |
| Floor / Unit | — |
| Estimated Cost | $27,000 |
| Approved | March 3, 2021 |
| Issued | June 30, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |