Residential & Commercial · Greater Los Angeles
A full-service general contractor crafting custom residences, restaurants, and commercial spaces across Southern California — from historic restorations to ground-up builds.
Recognition
Recognized for our restoration of Diner Antonette — a historic 1946 landmark in Santa Monica. See the project →
Selected Work
What We Build
We self-perform and manage the full scope — design coordination, permitting, construction, and finish — so quality and schedule stay in one set of hands.
Ground-up residences and additions built for the way you live — coastal contemporary to timeless estate.
Learn moreRestaurants, retail, offices, and studios — distinctive spaces built to perform and to last.
Learn moreHistoric restorations and insurance rebuilds — careful work that returns a space better than before.
Learn more
Why McDermott
Three decades of building across Los Angeles has taught us that great construction is really about trust — clear communication, honest budgets, and craftsmanship you can stand behind for years.
Skilled trades and a finish-obsessed eye on every detail.
Fixed scopes, real budgets, and no surprises along the way.
Disciplined scheduling that respects your timeline and your business.
A single point of contact from first walkthrough to final handover.
How We Work
We listen, walk the site, and align on vision, scope, and budget.
We coordinate drawings, permits, and a detailed, honest estimate.
Our crews execute with weekly updates and tight quality control.
A final walkthrough, punch list, and warranty — built to last.
Owner-Led
Sean has built across Los Angeles for three decades — and he still walks every site himself. When you hire McDermott, you get the owner's word and the owner's standard on your project.
Let's Build
Tell us about your home or space. We'll bring the plan, the crew, and the craftsmanship.