Canoga Park ADU Construction From the Slab Up

Canoga Park ADU construction from Cedarline Design Build: a slab test on the old garage first, then all four ADU types weighed for your lot.

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Slab thickness under the old garage is the first thing we check on a Canoga Park lot, drilling a small hole near a corner and reading the depth. A slab with enough concrete and no wide cracks makes a garage conversion the most direct of the four ADU types. A thin or broken one tilts the comparison toward a detached unit on new footings or an attached unit built off the house.

What the garage tells us

Past the slab, we look at the framing for termite or water damage, the ceiling height and whether the garage was ever permitted. An unpermitted garage can still become an ADU, though it has to be brought up to code along the way. If the shell is sound, the conversion keeps the yard open and reuses the roof. If it is not, a new detached unit can go where the garage stood or deeper in the yard, and an attached unit can share the house's utility runs. A JADU stays inside the house and skips the garage question entirely.

Utilities and the inspections

A converted garage beside the driveway tends to sit near the main panel and the water line, which keeps trenching short. The sewer hookup hinges on whether the garage floor sits high enough above the house line for drains to fall, and a camera with a depth reading settles that. LADBS reviews the conversion drawings, and inspectors come out at each stage, from slab repairs to framing to the final. That last sign-off is what makes the Canoga Park ADU legal to live in.

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