What was permitted
Homeowners in Sylmar can investigate the costs associated with building a new Accessory Dwelling Unit (ADU). This permit details the construction of a 2-story detached ADU, a popular addition for increasing living space or rental income.
This permit for a new ADU at 15528 W Cobalt St was issued on September 30, 2026, with an estimated project cost of $150,000. The contractor is noted as 'Unknown (1 or 2 Family Dwelling)'.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 26010-20000-03052 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Bldg-New |
| Status | Issued |
| Job description | Proposed 2-story detached ADU per CITY ORDINANCE (LAMC 12.22 A.33(b)(1)). |
| Floor / unit | — |
| Estimated cost | $150,000 |
| Approved | June 24, 2026 |
| Issued | September 30, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Related searches
Accessory Dwelling UnitADU constructionnew constructionSylmarLos Angeles permitsresidential addition$100,000 - $200,000 cost