Home Remodeling in Orange County | Katz Design Builders

From the coast to the canyons, Orange County homeowners trust Katz Design & Builders to remodel,
expand, and rebuild their homes. We’re a licensed design-build firm (California CSLB #1089060) with an
office in Laguna Beach, and we handle everything from kitchens and bathrooms to whole-home renovations,
additions, and ADUs across the county — one team owning design, budget, and construction from
start to finish.

Recent Orange County projects

Coastal home remodel by Katz Design & Builders in Orange County — Coastal remodel, Naples Island.

Custom home build by Katz Design & Builders — Custom home build.

See more of our work — including an
Irvine kitchen & bath,
a Dana Point kitchen,
and a Laguna Hills
backyard overhaul.

Why Orange County homeowners choose Katz Design & Builders

Design-build under one roof. One team, one point of contact, one price that
holds — from concept to final walkthrough.
Local, licensed, and accountable. An office in Laguna Beach, CSLB #1089060, fully
insured, with a written scope and schedule.
We know OC’s cities and HOAs. Each city permits differently and many communities
have HOA rules. We handle the plans, permits, and approvals.
Honest pricing. An itemized, fixed proposal before any demolition.

Our services across Orange County

Kitchen & bathroom remodeling

From focused upgrades to full gut rebuilds, done to code and built to last.

Whole-home remodels

Reconfigure layouts, update systems, and modernize a home as one coordinated project.

Room additions & second stories

Add the space your family needs, engineered, permitted, and blended into the home.

ADUs, garage conversions & outdoor living

Rental income, flexible space, pools, and backyards designed and built to fit your property.

What to expect: our process

Consultation & site visit — we assess your home and talk budget
honestly.
Design & fixed proposal — drawings, selections, itemized price and
schedule before demolition.
Permits & approvals — handled through your city, with HOA coordination.
Build — one project manager, a clean site, updates to completion.

Orange County remodeling — FAQ

What areas of Orange County do you serve?

All of it — from the beach cities to the inland and canyon communities. We have an office in
Laguna Beach and work throughout the county.

Do you handle permits and HOA approvals?

Yes. We prepare and submit plans, pull permits through your city, and coordinate any HOA review.

How much does a remodel cost?

It depends on size, finishes, and scope, so we don’t quote sight-unseen. After a site visit we give
you an itemized, fixed proposal so you know the price up front.