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Calahan Construction Services

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About Calahan Construction Services

Integrating architecture and construction for seamless Denver office transformations.

Historical Reno Modern Office

Featured Project

Featured project by Calahan Construction Services

Quick Stats

2,000+
Min Sq Ft
80,000
Max Sq Ft
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Operating Cities

Denver

Contact Info

Service Areas

Denver

RFP Service

Want to Compare Calahan Construction Services With Other Contractors?

Our RFP service gets you structured proposals from multiple Denver contractors—including Calahan Construction Services—so you can compare options side by side and make an informed decision.

  • ✓ We document your project requirements
  • ✓ We engage 3-5 qualified contractors
  • ✓ You receive comparable proposals in 2 weeks
  • ✓ We help you evaluate and choose
Christina R.
Your Project Manager
Christina R.
Architect

Start Here

Tell us about your project. We'll call you to discuss how the RFP service works.

Free consultation • No obligation