
ADU Builder in Orange County, CA
Lamarc Prime Builders provides ADU design, permitting, and construction services throughout Orange County, California. Based in Anaheim, we help homeowners plan detached and attached ADUs, garage conversions, home additions, and residential remodeling projects. Our service area includes communities within approximately 25 miles of Anaheim, with availability depending on project location and scope.
Orange County Cities We Serve
We serve homeowners within about 25 miles of Anaheim. Don’t see your city listed?
Contact us to see if your location is a good fit for our current service area.
ADU Construction Services in Orange County, CA
We provide ADU construction and home design-build services across Orange County. Our team brings local experience in zoning, permitting, and inspections—so your project stays compliant, moves efficiently, and progresses with clarity and confidence.
Our services include:
Detached & Attached ADU
Garage Conversions
Junior ADUs (JADUs)
ADU Design & Permitting
Home Additions
New Construction & Remodels


