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General ConstructionGranada Hills - KnollwoodPermit issued

Accessory Dwelling Unit Conversion at 17150-17152 W BARNESTON ST, Granada Hills - Knollwood

17150-17152 W BARNESTON ST, Granada Hills - Knollwood, 91344

Winston

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Reported project cost

$20,000

As declared on the permit filing. Bldg-Addition.

Issued
May 18, 2026
Expires
—
License
B

What was permitted

This permit is for a significant property alteration, converting the underfloor area of a single-family dwelling into an Accessory Dwelling Unit (ADU). Additionally, it involves converting a two-story home into a three-story structure.

Issued on May 18, 2026, this project has an estimated cost of $20,000. This type of conversion is a substantial undertaking that can increase living space and property value.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number25014-20000-05024
Work permit #—
Job filing number—
Work typeBldg-Addition
StatusIssued
Job descriptioneplan. Convert underfloor area of (E) single family dwelling into Accessory Dwelling Unit per GCS 66323(a)(1) and convert (E) 2-story single family dwelling into 3-story.
Floor / unit—
Estimated cost$20,000
ApprovedNovember 12, 2025
IssuedMay 18, 2026
Expires—
BBL—
BIN—

Related searches

ADU conversionunderfloor conversionGranada Hills - KnollwoodLos Angelesbuilding addition$20,000 project cost