For three decades, McDermott Construction has built homes and businesses across Southern California — earning repeat clients through craftsmanship, candor, and follow-through.

Our Story
McDermott Construction was founded on a simple idea: do excellent work, tell the truth about it, and finish what you start. That reputation has carried us from custom homes in Malibu to landmark restaurant restorations in Santa Monica.
Today we're a full-service general contractor serving homeowners, restaurateurs, and businesses across greater Los Angeles — handling everything from ground-up construction to delicate historic restoration and insurance rebuilds. Whatever the scope, the standard is the same.
Meet the Founder
Sean leads every McDermott Construction project with the same hands-on standard the company was built on — walking the site, knowing the crews, and staying accountable from first estimate to final punch list.
When you hire McDermott, you get a builder who answers the phone and stands behind the work. That's the difference clients come back for.

What Guides Us
We sweat the details others skip — because the difference is what you live with every day.
Honest budgets, honest timelines, and honest conversations when something needs to change.
We finish strong — clean sites, tight punch lists, and a warranty we stand behind.
Where We Work
We build throughout the greater Los Angeles area and the coast. If your project sits just outside these areas, reach out — we travel for the right build.
Let's Build
We'd be glad to walk your site and share how we'd approach it.