ADU Conversion at 13637 3/4 N FELLOWS AVE, Sylmar
13637-13637 3/4 N FELLOWS AVE, Sylmar, 91342
What was permitted
In Sylmar, a homeowner is converting existing storage space on the first floor of a duplex into a new Accessory Dwelling Unit (ADU). This project aims to add 399 square feet of living space to the property, following specific building codes.
This building alteration permit was issued on June 30, 2026, with an estimated project cost of $27,000. The contractor is listed as unknown for a 1 or 2 Family Dwelling.
Homeowners in Sylmar considering an ADU conversion can look to this project's $27,000 estimated cost for a 399 SF unit.
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 | 21016-10000-05541 |
| 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-4R PER GCS 65852.2(E)(1)(C). 4 OF 9 |
| Floor / Unit | — |
| Estimated Cost | $27,000 |
| Approved | March 3, 2021 |
| Issued | June 30, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |