Room additions & ADUs · Southern California

Permitted
Square Footage,
Start To Inspection

Additions and accessory dwelling units taken from plans and permits through foundation, framing, trades, finishes, and the final sign-off.

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What's included

The Scope,
In Plain Terms

An addition is a permitting project before it is a construction project. We handle both sides of it.

  • Plans and permits
  • Foundation
  • Framing
  • Roofing
  • Electrical
  • Plumbing
  • HVAC
  • Insulation
  • Drywall
  • Finishes
  • Final inspection

Before and after

Three Different
Kinds Of Job

Second storey additions

The same house with a full second storey added above the main body, three new upper windows, and a new tile hip roofSingle storey house with a tile hip roof, attached two car garage, and a lawn either side of the front walk
A single storey house with a full second storey added.

Detached ADUs

The same frontage with lawn in place of the rock garden and a detached ADU with a glass door standing beside the houseFront of a single storey house with a wide concrete driveway and a rock and gravel garden along the right side
A front view where a rock garden becomes lawn with a detached ADU beside the house.
The same rear yard with a detached ADU built on the lawn, its own entry door, windows, walkway, and plantingRear yard of a house with a covered patio and an empty stretch of lawn running to a wood fence
The rear view of a detached ADU built on what was an empty lawn.

Garage conversions

The same gable with the garage door removed and replaced by stucco wall, two white framed windows, and a dark modern entry doorFront of a ranch house with a white two car garage door under a gable, beside a hedge and lawn
A two car garage converted to living space with a new entry door and windows.
The same elevation with the garage door replaced by a black entry door, two windows, wall sconces, and a step up entryStreet view of a single storey house with a white two car garage door at the right end of the elevation
A garage door replaced with an entry, windows, and sconces.

How the job runs

01

Feasibility and consultation

We look at the lot, the existing structure, and what the scope you have in mind will actually require.

02

Plans and permits

Drawings prepared and submitted, with the corrections handled through to an issued permit.

03

Build

Foundation, framing, roofing, then electrical, plumbing, HVAC, insulation, and drywall, with inspections along the way.

04

Finishes and sign-off

Finish work completed, final inspection scheduled, and the space handed over usable.

Why remodeling

Nobody Owns
The Gap

With separate designers and builders, what gets drawn and what gets built come apart. The drawing does not account for the wall that turned out to be structural, the builder prices around the detail instead of solving it, and when you ask why the finished room is not the room on the page, each side points at the other. Nobody owns the gap.

We design and build the same job, so the person who drew it is accountable for the version you live in. Decisions get made once, in front of you, with the cost and the constraint on the table at the same time.

Questions

Answered
Straight

How long does an addition take?
Permitting is often the longest part and it varies by jurisdiction. Construction follows a predictable sequence once the permit is issued. We give you both timelines separately so the wait is not a surprise.
Can I build an ADU on my lot?
In most cases California law now allows it, but the specifics depend on the lot, setbacks, and utilities. We assess feasibility before you spend anything on drawings.
Do you prepare the plans?
Yes. We handle drawings, submittal, plan check corrections, and inspections as part of the scope.
Will the addition look like it was always there?
That is the goal, and it is decided in the roofline, the window proportions, and the exterior materials rather than in the interior finishes.
Can an ADU be rented out?
That is a question for the city and for your own legal advice. We build to the permitted use, and we will tell you what the permit allows.

Know What The Work
Really Involves

Scope, sequence, and a straight read on your own house before anyone asks you for anything.

Schedule Your Consultation

Still Have
Questions?

No cost, no obligation, and a real scope you can compare against anyone else’s.

We call you back fast, usually the same day.

Prefer to talk right now?

(888) 592-4245

Speak with the contractor who will run your project.