General ConstructionHarbor GatewayPermit Issued

396 Sq Ft ADU Addition at 722 W 124th St, Harbor Gateway

722 W 124TH ST, Harbor Gateway, 90044

1

What was permitted

Homeowners in the Harbor Gateway area considering an Accessory Dwelling Unit (ADU) can look at this project for cost insights. This permit is for the addition of a 396 square foot attached ADU to an existing detached garage.

Issued on July 16, 2026, this ADU addition project had an estimated cost of $40,000. The work was performed by Trinity Contracting Concepts Inc.

Adding a 396 sq ft attached ADU to a garage in Harbor Gateway cost an estimated $40,000.

2

What it cost

$40,000reported on this filing

Issued

July 16, 2026

Expires

License

B

3

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Filed by Trinity Contracting Concepts Inc · 1 permits across 1 area

View the official permit record

Tracking number, work description, cost, and dates

+
Tracking Number26014-10000-01838
Work Permit #
Job Filing Number
Work TypeBldg-Addition
StatusIssued
Job DescriptionEPLAN. (N) 396 SF ATTACHED ADU TO (E) DETACHED GARAGE. PER LAMC 12.22 A.33(b)(1). PER WFPP.
Floor / Unit
Estimated Cost$40,000
ApprovedMay 21, 2026
IssuedJuly 16, 2026
Expires
BBL
BIN

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ADU additionaccessory dwelling unitHarbor GatewayLos Angelesbuilding permitresidential addition$40,000