ADU Construction in Los Angeles
ADUs and garage conversions in Los Angeles, drawn for LADBS plan check with rated walls near property lines, ember-resistant vents and tempered glass.
Permit history for an existing garage is something LADBS examines when a Los Angeles conversion reaches plan check, because walls framed without a permit may need to be opened so an inspector can see inside them. Fernhill Builders pulls those records before drawing anything. A detached unit gets the same scrutiny of the lot itself, and either way the shell we design carries noncombustible cladding, ember-resistant vents and tempered glass.
When the garage already stands
A garage with a clean record can often keep its slab and framing, subject to what an engineer finds once the finishes come off. Where the paperwork is thin, LADBS may ask for the walls and ceiling to be exposed, or for the slab to be checked for thickness and footing depth. We carry those unknowns in the scope as allowances, so a discovery during demolition shows up as a priced line and a revised sheet. Where the car door used to roll up, we frame a solid wall with a window or an entry, sheathed to match the new exterior assembly.
Fire separation on a tight city lot
Close to a property line, a wall turns into a fire separation in the eyes of the code. It needs a rated assembly from the inside face out to the cladding, its openings shrink or disappear, and the eave above it has to be enclosed or cut back. LADBS checks each of those points on the drawings, so we dimension every wall to the line it faces and label its rating right beside it. Glazing moves to the walls that look onto the yard, where tempered panes can be larger and the unit still gets its daylight.
ADU Construction in Los Angeles: common questions
The requirement follows the parcel. LADBS runs every address through the state's fire maps, and when a lot comes back mapped, its siding, vents, eaves and glass all answer to the wildfire provisions. We draw those same assemblies for an unmapped Los Angeles lot too, because a unit beside a wood fence can still meet embers riding the wind.
On a Los Angeles garage conversion, LADBS reads the floor plan of existing and proposed walls against the garage's permit record, while the site plan fixes the unit against each line. The package is written for a qualifying one-story unit, and anything larger or on two levels is scoped and quoted by itself.
A shared site is the starting point. One trench can carry new water, power and sewer lines to both buildings when the footprints are set together. LADBS issues a separate permit for the house and for the unit, so we draw them as a matched pair with the same exterior assemblies and file them in an order the lot allows.
ADU Construction in other cities
More work we do in Los Angeles
Plan your project in Los Angeles
Tell us about the house and the adu construction work. We reply about a walk-through and a written scope.