What was permitted
A new detached Accessory Dwelling Unit (ADU) is being constructed at 17737 W Parthenia St in Northridge. This project includes a one-story structure with an attached garage and a trellis, designed to be equipped with NFPA-13D sprinklers for safety.
This building permit has been issued, with work commencing on October 2, 2026. The estimated project cost for this new ADU is $500,000, offering insight into the investment for such additions in the area.
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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 | 26010-20000-01328 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Bldg-New |
| Status | Issued |
| Job description | *EPLAN* NEW 1-STORY DETACHED ADU WITH ATTACHED GARAGE AND TRELLIS. BUILDING TO BE EQUIPPED THROUGHOUT WITH NFPA-13D SPRINKLERS. |
| Floor / unit | — |
| Estimated cost | $500,000 |
| Approved | March 23, 2026 |
| Issued | October 2, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Related searches
ADU constructionNorthridgeLos Angelesnew building permit$500,000 project cost