Theorem Architecture Group

03/25/2026

New Selah Medical Buidling is just about there!

03/25/2026

Farm Workers in Kennewick, WA. Is just about done! Another 2.5 to 3 momths!

02/04/2026

Pacific Northwest University's Newest Building- Dental and Occupational Therepy (D.O.T)

Photo credit : Anthony Martinez

02/04/2026

A Couple Updates...

Howard's Medical Building in Selah (Bottom) and YVFWC in Kennewick (Top)

01/27/2026

Updated progress on Howard's Medical in Selah.

01/27/2026

PNWU-DOT : Pacific Northwest University newest building - Dental and Occupational Therepy Building

01/27/2026

YVFWC progress in Kennewick!

01/09/2026

Theorem Architecture wishes Walter Jordan a very Happy Birthday! We hope your day is a great one!🎂🍦

12/24/2025

Merry Christmas and Happy Holidays from all of us at TAG!🎄 May Everyone's holidays be Merry and Bright!

11/18/2025

Howard's Medical making some good progress in Selah!

11/07/2025

~Welcome to Theorem Architecture Group!~ ( Also known as TAG.)

We’re so excited to finally be here on Facebook! Woohoo! This is where we’ll share some of what we’re working on, what inspires us, and how we bring spaces to life.

At Theorem, we believe great design starts with great collaboration — and we can’t wait to connect with our community, clients, and friends who share our love for thoughtful architecture.

Follow along for:
🏗️ Project sneak peeks
🎨 Design inspiration
🌿 Sustainable ideas
🏙️ Local stories and updates

Thank you for being here!

Also... go check out our website for more details!

Theorem Architecture Group (TAG) is a full service architecture firm located in Yakima, Washington. FOCUS AREAS We specialize in thoughtful design across multiple sectors, from commercial and healthcare to agriculture, ecclesiastical, industrial, and education. More about us Over 100 projects comple...