18636 W CALAHAN ST, Northridge, 91324
A significant building permit has been issued for the construction of a new Accessory Dwelling Unit (ADU) at 18636 W Calahan St in the Northridge neighborhood. This project involves building a one-story ADU in the rear of the main house.
The permit was issued on August 27, 2026, with a substantial estimated project cost of $140,000. This project is intended for a 1 or 2 Family Dwelling, and the contractor is not specified.
Homeowners in Northridge looking to build an ADU should budget approximately $140,000 for a new one-story unit.
Issued
August 27, 2026
Expires
—
License
1 or 2 Family Dwelling
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 26010-10000-02831 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | Bldg-New |
| Status | Issued |
| Job Description | PROPOSED NEW A.D.U. ONE STORY IN REAR MAIN HOUSE PER GC & 66323(a)(2) (1 OF 2) |
| Floor / Unit | — |
| Estimated Cost | $140,000 |
| Approved | June 11, 2026 |
| Issued | August 27, 2026 |
| Expires |
| — |
| BBL | — |
| BIN | — |