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Terence L. Thornhill Architect

Terence L. Thornhill Architect

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About Us

Terence L. Thornhill, Architect, INC. P.S. is a registered architectural corporation in the State of Washington, established by Tere and Katie Thornhill in 1994. We pride ourselves as a design oriented firm specializing in excellence of functionality and aesthetics with a definitive focus on project schedule and the budgetary bottom line. The firm is dedicated to the ideal that through sustainable architecture and quality design - buildings will "give back" to the community in an enduring way. Tere studied undergraduate Architecture at The University of Washington - School of Architecture in Seattle, Washington and graduate studies at University College Dublin - College of Architecture - in Dublin Ireland. Prior to establishing the firm of Terence L. Thornhill, Architect, Inc. P.S., Tere practiced architecture in London, England at the City of London Corporation and in Seattle, Washington with TRA Architecture, Engineering, Planning & Interiors and with Mithun Partners Architects and Interiors. It was in Seattle that Tere received awards in both contemporary design and historic preservation/ restoration. The firm was honored to receive the Mid-Columbia Small Business Association "Small Business of the Year" Gold Award in 1999 for employee relations and client service. Terence L. Thornhill, Architect enjoys a wide range of experience in both public and private projects including design and master planning of commercial offices, retail facilities, medical laboratories, physician offices, schools, churches, municipal facilities, hospitality facilities, residential remodels, custom and speculative residences, multi-family residences, and much more.

Services Provided

3D Rendering, Basement Remodeling, Bathroom Design, Building Design, Custom Homes, Drafting, Energy-Efficient Homes, Floor Plans, Green Building, Historic Building Conservation, Home Additions, Home Extensions, Home Remodeling, House Plans, Kitchen Design, Kitchen Remodeling, New Home Construction, Site Preparation, Space Planning, Structural Engineering, Sustainable Design, Universal Design, Construction Drawings

Areas Served

Burbank, Finley, Highland, Kennewick, Pasco, Richland, West Pasco, West Richland, Seattle, Prossor, Yakima


MAME Award - Seattle Master Builders (1991 for the Florentine Condominiums in Seattle, WA)Gold Award- Mid-Columbia Small Business Award (1999)

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Business Details

Business Name

Terence L. Thornhill Architect

Phone Number

(509) 547-8854


5804 RD. 90, Suite E
Pasco, WA 99301


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