13639-13639 3/4 N FELLOWS AVE, Sylmar, 91342
Another building permit has been issued for the conversion of existing storage space on the first floor into a new Accessory Dwelling Unit (ADU) at 13639 N FELLOWS AVE in Sylmar. This project also involves creating a 399 square foot ADU within an existing three-story duplex.
This alteration and repair project was issued on June 30, 2026, with an estimated cost of $27,000. The contractor is listed as unknown for this 1 or 2 family dwelling.
Similar to a nearby property, Sylmar residents can expect an estimated project cost of $27,000 for a 399 sq ft ADU conversion from storage space.
Issued
June 30, 2026
Expires
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License
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Filed by Owner-Builder
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 21016-10000-05540 |
| 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-3 PER GCS 65852.2(E)(1)(C). 3 OF 9 |
| Floor / Unit | — |
| Estimated Cost | $27,000 |
| Approved | March 3, 2021 |
| Issued | June 30, 2026 |
| Expires |
| — |
| BBL | — |
| BIN | — |