The TLTA and Elite Tiny House was featured in the

Tri-Cities Area Journal of Business

CLICK the pic above to check out more photos & find a link to the article!










Check out our sneak peek of

Lu Lu Craft Bar + Kitchen..... exciting new project located at the
Hanford Reach.....

(Click on each photo to see more!!)





...and the Pasco Police Department





Terence L. Thornhill, Architect is an award-winning, creative and budget conscious architectural firm, located in the Tri-Cities, engaged in the pursuit of design excellence and client satisfaction.  Our outstanding design capabilities are evidenced by our broad knowledge in diverse projects including design and master planning of commercial offices, retail facilities, wineries, medical laboratories, physician offices, law offices, interpretive centers, schools, churches, municipal facilities, hospitality facilities, residential remodels and home improvements, custom residences and spec homes, multi-family residences, and much more. 

Terence L Thornhill, Architect, Inc. P.S. prides itself as a design oriented firm specializing in excellence of functionality and aesthetics with a definitive focus on project schedule and the budgetary bottom line.  We are dedicated to providing exemplary customer service and professionalism, and benefit from positive references of our many satisfied customers. 

Terence L Thornhill, Architect has a diverse client base which include but is not limited to the Hanford Reach Interpretive Center at the West end of Columbia Park in Richland, WA - which is now completed and our page is updated with photos of the completed project. A ground breaking ceremony was held on Monday, June 1, 2015 for the new Pasco Police Department, construction photos to follow. The firm has also completed a Tiny House project at Destiny Ridge, click the photo above to check out construction and completed photos!

NEW! Check out more photos of our residential work on Below is a link to the page, if you are a member

(it's free to join) you can "Follow Us". Thanks!







CONTACT US:                           9221 SANDIFUR PARKWAY   SUITE A    PASCO,  WA.   99301                                         509-547-8854 (PHONE)    509-547-8912 (FAX)