Business Details
21 Years
experience
Your Trusted Custom Home Builder in Mercer Island, WA
Since 2005, Gallagher Co. Construction Co. Construction Co. has been dedicated to crafting exceptional custom homes, remodels, and commercial projects on Mercer Island and surrounding communities. Founded by Tom Gallagher Co. Construction Co. Construction, a construction professional with over 35 years of experience, our team combines deep industry expertise with a commitment to quality and client satisfaction. We specialize in luxury waterfront homes, high-end renovations, and commercial developments, utilizing sustainable practices and premium materials. Our process emphasizes transparency, precision, and collaboration, ensuring every project aligns with client visions and exceeds expectations. Recognized as one of the Puget Sound Business Journals Fastest Growing Companies, we maintain long-term relationships with architects, designers, and subcontractors to deliver seamless results.Our team of over 20 professionals, including certified project managers and skilled superintendents, brings decades of collective experience to every project. Client testimonials highlight our attention to detail, timely execution, and ability to transform spaces into functional, elegant environments. We prioritize clear communication, budget adherence, and innovative solutions, making us a trusted partner for residential and commercial construction needs.
Services
Custom Homes
Remodels
Commercial
Outdoor Living
Details
- Year established: 2005
Highlights and features
- We have over 35 years of experience in residential and commercial construction.
- Our team includes certified project managers and skilled superintendents.
- We guarantee timely execution and budget adherence for every project.
- A dedicated in-house designer ensures cohesive, elegant interior solutions.
- Recognized as a Fastest Growing Company by the Puget Sound Business Journal.
What people say
Attention to detail
Professionalism
Quality craftsmanship
Outstanding work
Excellent service
Services
Custom Homes
Gallagher Co. Construction Co. Construction specializes in luxury custom homes tailored to client needs. Our process integrates sustainable design, premium materials, and expert craftsmanship. We focus on waterfront estates, equestrian properties, and modern residences, ensuring each project reflects the clients vision while adhering to budget and timeline constraints.
Remodels
We transform existing spaces into functional, elegant environments through high-end remodels. Our services include kitchen and bathroom upgrades, whole-home renovations, and modernization of dated interiors. Using advanced technology and premium finishes, we enhance livability while maintaining structural integrity.
Commercial
Our commercial division delivers versatile, durable buildings for businesses in Mercer Island and beyond. Projects include office spaces, storage facilities, restaurants, and tenant improvements. We prioritize future-proof designs that balance aesthetics with operational efficiency, supporting long-term business growth.
Outdoor Living
We create bespoke outdoor environments, including patios, pool areas, and waterfront lounges. Our designs blend creativity with functionality, using weather-resistant materials to ensure year-round usability. Services cater to both residential and commercial clients seeking to enhance their exterior spaces.
People
Tom Gallagher
Owner
Tom Gallagher Co. Construction Co. Construction has over 35 years of experience in commercial and residential construction. He founded Gallagher Co. Construction Co. Construction Co. in 2005, growing it into a 20+ employee team known for quality and client-focused service.
Leanne Gallagher
Co-Founder
Leanne Gallagher Co. Construction Co. Construction, a University of Washington graduate, co-founded Gallagher Co. Construction Co. Construction Co. and led its design division. Her focus on creating signature styles has been instrumental in the companys success.
Jay Nygaard
Senior Project Manager
Jay Nygaard has 22 years of construction experience, specializing in high-end residential and light commercial projects. He graduated from the University of Washington in 2003 and joined Gallagher Co. Construction Co. Construction Co. in 2012.
Robin Farrish
Controller
Robin Farrish brings 24 years of financial expertise in real estate and construction. She graduated from Utah Valley University and joined Gallagher Co. Construction Co. Construction Co. in 2013, managing financial operations.
Dave Kessler
Project Executive
Dave Kessler holds a Bachelors in Construction Management from the University of Washington. With experience in commercial construction and real estate, he now leads Gallagher Co. Construction Co. Construction Co.s commercial expansion.
Questions
What services does Gallagher Co. Construction Co. Construction Co. Construction offer?
We specialize in custom home building, luxury remodels, commercial construction, and outdoor living space design in Mercer Island and the Pacific Northwest.
How long has Gallagher Co. Construction Co. Construction Co. been in business?
Gallagher Co. Construction Co. Construction Co. has been serving Mercer Island and neighboring communities since 2005, with over 20 years of combined experience from its leadership team.
Do you handle both residential and commercial projects?
Yes, we offer custom solutions for residential homes and commercial buildings, including renovations, new construction, and outdoor spaces.
What areas do you serve?
We primarily serve Mercer Island, Seattle, the Eastside, and broader Pacific Northwest regions for residential and commercial projects.
How do you ensure project quality and client satisfaction?
We use premium materials, employ experienced professionals, and maintain transparent communication to ensure every project meets our high standards and client expectations.
Can you assist with design and budget planning?
Yes, our in-house designer and project managers collaborate with clients to develop tailored designs and detailed estimates that align with their budget and timeline.
