ADUs & Garage Conversions
Detached ADUs, junior ADUs and garage-to-ADU conversions, built to the approved plans.
Licensed General Contractor · CSLB #1121982
Built right. Built to code. Built by family.
Olguin & Sons Construction handles remodels, additions, ADUs and new construction from first walkthrough to finished build. Serving all of Southern California.
CA License No.#1121982
ClassificationB · General
License StatusActive
Service AreaAll of SoCal
What we build
Our Services
One licensed crew for the whole job. We coordinate the trades and the schedule so you don't have to.
New Construction
Ground-up homes and structures, from foundation and framing through finish.
Room Additions
More square footage that ties into your existing structure, roofline and systems.
Kitchen & Bath Remodels
Layout changes, cabinets, tile, plumbing and electrical, done as one coordinated project.
Whole-Home Remodels
Interior and exterior renovations, structural changes and full property upgrades.
Permits handled by our partner, Ostar Services. Plan check submittals, permit pulling and inspection scheduling are managed by Ostar so our crew stays on the build.
Visit ostarservices.com →Where we work
Serving All of Southern California
Los AngelesOrangeRiversideSan BernardinoVenturaSan Diego
From Pasadena to Long Beach and the Inland Empire to the coast. If your project is in Southern California, give us a call.
How it works
From First Call to Finished Build
Call & Site Visit
We walk the property, hear what you want and talk through what's possible.
Written Estimate
A clear scope and price so you know exactly what you're getting.
Build & Walkthrough
Our crew builds it, walks the finished job with you and hands you the keys.
Free estimates
Ready to start your project?
Call or text for a free estimate anywhere in Southern California. Licensed by the California Contractors State License Board, License #1121982.
Hours: Monday – Friday, 7:00 am – 5:00 pm
Call or text
(562) 355-9627