Business Details
21 Years
experience
Your Trusted Home Building Partner in Mercer Island
Since 2005, Gallagher Co. Co. has established itself as Mercer Island's premier custom home builder, delivering luxury residences and comprehensive remodeling solutions. Our team combines over 35 years of industry expertise with a commitment to quality craftsmanship and client satisfaction. We specialize in creating tailored estates that integrate sustainable features and modern elegance, serving both residential and commercial clients across the Pacific Northwest.Our process emphasizes transparency, precision, and collaboration, ensuring every project aligns with client expectations while maintaining strict adherence to timelines and budgets. With a proven track record of completing hundreds of projects and recognition as one of Puget Sound's Fastest Growing Companies, we continue to expand our capabilities while maintaining the personal touch that defines our client relationships.
Services
Custom Homes
Remodels
Commercial Projects
Outdoor Living Spaces
Design Services
Details
- Year established: 2005
Highlights and features
- We offer 35+ years of combined leadership experience in luxury home construction
- Our dedicated team ensures personalized attention to every project detail
- We implement a transparent four-step construction process with detailed estimates
- Our in-house designer provides expert guidance on material and finish selections
- We maintain long-term relationships with trusted subcontractors for consistent quality
What people say
Attention to detail
Outstanding work
Professional and detail-oriented
Beautiful yet livable home
Oasis of luxury
Services
Custom Homes
Gallagher Co. Co. specializes in creating bespoke luxury residences tailored to client specifications. Our custom home service combines innovative design with premium materials to deliver unique properties that meet exact lifestyle needs. We handle every phase from initial consultation through final inspection, ensuring seamless execution of waterfront estates, modern architectural masterpieces, and traditional homes with contemporary elements.
Remodels
Our luxury remodeling services transform existing spaces into modern, functional living areas. We specialize in kitchen and bathroom renovations, whole-home makeovers, and structural modifications while maintaining the integrity of original architectural elements. Our process ensures minimal disruption to homeowners while delivering high-end results that increase property value and enhance daily living experiences.
Commercial Projects
Gallagher Co. Co. provides comprehensive commercial construction services for businesses in Mercer Island and surrounding areas. Our expertise includes office spaces, retail environments, storage facilities, and hospitality venues. We focus on creating functional spaces that support business operations while maintaining aesthetic appeal, working closely with clients to ensure projects meet specific industry requirements and commercial building standards.
Outdoor Living Spaces
We design and construct premium outdoor living environments that extend usable space and enhance property value. Our services include custom patios, pool areas, waterfront fireplaces, and complete outdoor kitchens. Using durable, low-maintenance materials, we create year-round entertaining spaces that seamlessly integrate with interior living areas while maximizing natural surroundings.
Design Services
Our in-house design team provides expert guidance on material selection, spatial planning, and finish coordination. We offer comprehensive design solutions that ensure cohesive aesthetics across all projects, from selecting cabinetry and lighting to creating functional layouts that optimize space usage. Our designers work collaboratively with clients to achieve personalized results that balance beauty with practicality.
People
Tom Gallagher
Owner
With over 35 years in construction, Tom founded Gallagher Co. Co. in 2005 after extensive commercial experience. He oversees all operations with a focus on quality craftsmanship and client satisfaction.
Leanne Gallagher
Co-Founder
University of Washington graduate with construction management expertise. Developed Gallagher Co. Co. Design and established the company's signature style through her interior design leadership.
Jay Nygaard
Senior Project Manager
22-year construction veteran with University of Washington engineering background. Specializes in high-end residential projects and collaborates with architects to deliver complex designs successfully.
Robin Farrish
Controller
24-year financial specialist in real estate development with Utah Valley University accounting degree. Manages financial operations and ensures fiscal accountability across all projects.
Dave Kessler
Project Executive
University of Washington construction management graduate with diverse experience in commercial construction and real estate development. Leads commercial division expansion initiatives and strategic partnerships.
Questions
What areas do you serve?
We primarily serve Mercer Island and surrounding communities in the Puget Sound region.
How long has Gallagher Co. Co. Co. been in business?
Gallagher Co. Co. Co. was founded in 2005 by Tom Gallagher Co. Co..
What types of projects do you handle?
We specialize in custom homes, luxury remodels, commercial construction, and outdoor living spaces.
Do you have an in-house design team?
Yes, we have a dedicated design team led by Leanne Gallagher Co. Co. to assist with all projects.
What sets you apart from other builders?
Our combination of 35+ years of leadership experience and commitment to personalized client service distinguishes us.
How do you handle project timelines and budgets?
We provide detailed estimates and maintain strict adherence to agreed timelines and budgets through our structured process.
