Engineering & architecture in Diamond Bar, CA
19 engineering & architecture listed in Diamond Bar, California. 14 with a phone number and 14 with a website.
Diamond Bar accounts for 0% of the engineering & architecture listed in California and ranks #141 among California cities for engineering & architecture.
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Quick answer
Diamond Bar, CA has 19 engineering & architecture listed on USA Business Search. 14 list a phone number and 14 list a website. The most listings are in ZIP codes 91765, 91789.
Updated October 2026HYC Consulting Engineers
LADG | LA Design Group, Inc.
Co-ar Design, Inc.
Tetra Tech
Sam Engineering
Architecture Refined Corp
Basan Engineering
Bryan A Stirrat & Associates
Civil Trans Inc
G K & Associates
Henry Woo Architects
Hyc Consulting Engineers Inc
IJUS
Mobile Commodity Corporation
Newfield Design Group, Inc.
Seiki Digital, Inc.
State Of California
The Society For The Advancement Of Material And Process Engi
How to choose an engineering firm in Diamond Bar
- 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: Board for Professional Engineers, Land Surveyors, and Geologists.
Common questions
How many engineering & architecture are listed in Diamond Bar, California?
USA Business Search shows 19 engineering & architecture in Diamond Bar. 14 list a phone number and 14 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 91765, 91789.
How do I choose an engineering firm in Diamond Bar?
Ask who will actually do the work and how often you'll hear from them. Get the scope, price and timeline in writing. Check the license with the Board for Professional Engineers, Land Surveyors, and Geologists.
How do engineering & architecture in Diamond Bar compare with the rest of California?
Diamond Bar has 0% of the 12,160 engineering & architecture listed in California, which ranks #141 among California cities for this category.
How do I add or fix a listing?
Listings are free. Use Add your business, or the Claim or fix link on any listing.
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