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(818) 297-7660 Sean@McDermott.LA

Residential & Commercial · Greater Los Angeles

Building distinction in homes & business.

A full-service general contractor crafting custom residences, restaurants, and commercial spaces across Southern California — from historic restorations to ground-up builds.

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Los Angeles Business Journal Commercial Real Estate Awards 2026

Recognition

2026 Los Angeles Business Journal
Commercial Real Estate Awards

Recognized for our restoration of Diner Antonette — a historic 1946 landmark in Santa Monica. See the project →

Selected Work

Projects that earn a second look.

Browse all projects

What We Build

One contractor, from blueprint to handover.

We self-perform and manage the full scope — design coordination, permitting, construction, and finish — so quality and schedule stay in one set of hands.

01

Custom Homes

Ground-up residences and additions built for the way you live — coastal contemporary to timeless estate.

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02

Commercial & Hospitality

Restaurants, retail, offices, and studios — distinctive spaces built to perform and to last.

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03

Renovation & Restoration

Historic restorations and insurance rebuilds — careful work that returns a space better than before.

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Free AI Tool

Know your number
before you call.

Answer five quick questions and our project assistant builds you an instant ballpark — cost range, timeline, and where the budget goes. No call required to find out.

Get Your Instant Estimate
McDermott Project Assistant

“A premium-finish custom home of about 3,500 sq ft in Malibu…”

$1.7M – $2.8M
Estimated investment · 12–20 month timeline
Sample output · your project may vary
A McDermott Construction craftsman refinishing custom cabinetry on site

Why McDermott

Built right, the first time.

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.

01

Master craftsmanship

Skilled trades and a finish-obsessed eye on every detail.

02

Transparent process

Fixed scopes, real budgets, and no surprises along the way.

03

On-time delivery

Disciplined scheduling that respects your timeline and your business.

04

One dedicated manager

A single point of contact from first walkthrough to final handover.

How We Work

A clear path from idea to keys.

STEP 01

Consult

We listen, walk the site, and align on vision, scope, and budget.

STEP 02

Design

We coordinate drawings, permits, and a detailed, honest estimate.

STEP 03

Build

Our crews execute with weekly updates and tight quality control.

STEP 04

Handover

A final walkthrough, punch list, and warranty — built to last.

Custom HomesRestaurantsRestorationCommercialAdditionsStudiosCustom HomesRestaurantsRestorationCommercialAdditionsStudios
They took a historic building most people would have walked away from and gave it a second life — on schedule and beyond what we pictured.
Restaurant OwnerDiner Antonette · Santa Monica

Let's Build

Have a project in mind?

Tell us about your home or space. We'll bring the plan, the crew, and the craftsmanship.