Room Additions in Los Angeles

Expert Room Additions in Los Angeles
Add square footage that looks original to the house — from a new primary suite to an ADU — with structural, design, and finish work coordinated by one team.
Everything in your room additions
Recent room additions projects

A simple, proven process
Initial Consultation
We meet to understand your goals, priorities, and budget, and to see the space firsthand.
Project Assessment
Our team evaluates existing conditions, structure, and site details that shape what's possible.
Design & Planning
We translate your vision into a clear plan — layouts, materials, and selections you can picture.
Detailed Proposal
You receive a written, line-by-line proposal so scope, cost, and timeline are transparent up front.
Room Additions questions, answered
How long does a room additions project take in Los Angeles?
Timelines depend on scope, but after a walkthrough we give you a realistic schedule in writing before work starts — and keep you updated as your room additions project moves forward.
Do you handle permits and inspections for room additions?
Yes. As a licensed general contractor (CA Contractor License #990258), we manage the permitting and inspections your room additions project needs so everything is done to code.
Is So Cal Builders & Design licensed and insured?
We are fully licensed and insured in California (CA Contractor License #990258), with in-house crews handling every trade on your room additions project.
How do I get a free estimate for room additions?
Call 1-888-877-1585 or request a free estimate online. We will review your goals and provide a detailed, line-by-line proposal at no cost.
Ready to start your room additions project?
Get a detailed, no-obligation estimate from a licensed Los Angeles contractor.




