Engineering & architecture in Walla Walla, WA
7 engineering & architecture listed in Walla Walla, Washington. 6 with a phone number and 5 with a website.
Walla Walla accounts for 0.4% of the engineering & architecture listed in Washington.
Sponsored
Quick answer
Walla Walla, WA has 7 engineering & architecture listed on USA Business Search. 6 list a phone number and 5 list a website. The most listings are in ZIP codes 99362.
Updated November 2026Sears Heating And Air Conditioning
Skie Architecture Studio
Hdj Design Group
Newcomb Architecture
Tetra Tech
Eg Drafting
How to choose an engineering firm in Walla Walla
- Ask who will actually do the work and how often you'll hear from them.
- Get the scope, price and timeline in writing.
- Ask for two references from clients like you.
Check the business: confirm a company's registration with the state in our Washington business lookup guide, and licensed trades in the contractor license lookup guide.
Common questions
How many engineering & architecture are listed in Walla Walla, Washington?
USA Business Search shows 7 engineering & architecture in Walla Walla. 6 list a phone number and 5 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 99362.
How do I choose an engineering firm in Walla Walla?
Ask who will actually do the work and how often you'll hear from them. Get the scope, price and timeline in writing. Ask for two references from clients like you. Check the license or registration through the Washington business lookup guide.
How do I add or fix a listing?
Listings are free. Use Add your business, or the Claim or fix link on any listing.
More professional services in Walla Walla
Own one of these businesses? Claim your free listing or see what an optimized listing adds.