Four Generations of Quality Construction
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Custom

Remodels

Renovations

Homes

Serving the greater Puget Sound for over 70 years

Give us a call today!

OUR SPECIALTY SERVICES

From design through warranty work, we help our customers navigate the increasingly complex task of building, improving or renovating their home.

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Custom Homes

Complete design services, including engineering, from the conceptual phase through permit acquistion.

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Remodels

Our team of experts will help you at every stage of updating your home to suit your current lifestyle.

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Additions

Let Thornberg Construction help increase the value, function and livability of your home or property.

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Renovations

Contract documents, including cost breakdown and scope of work, so you know what you are receiving.

Thanks again to you and your team for making my kitchen beyond breath taking.
Danielle Guerin
Renovation
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I wanted to thank all members of the Thornberg team for the high level of skill, attention to detail, and professionalism.
Deborah Kassel-Day
Renovation
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Thank you for doing a nice job on our addition. We are happy with the quality, and appreciate that it came out on time and within budget.
Steve Hockeiser
Addition

ABOUT US

Located in Sammamish, Washington, Thornberg Construction has been bringing quality remodeling, renovation and custom home building to Seattle and the Eastside for over 70 years. Our committed team of craftsmen, managers and subcontractors work hard for our clients while providing superior service.

Contact us