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Areas We Serve Across Denver & The Front Range

Focused on high-end neighborhoods and communities where craftsmanship, design, and quality matter most

Building & Remodeling in Colorado’s Most Desirable Communities

We work throughout the Denver metro and Front Range, focusing on areas where homeowners are investing in large-scale renovations, custom homes, and high-quality exterior projects. While we serve a broad region, our priority is working in communities where our design-build approach and level of craftsmanship truly make an impact.

Denver

From established neighborhoods to newer developments, Denver is at the core of our work. We partner with homeowners on whole home remodels, pop tops, and custom projects that elevate both function and long-term value.

Boulder

Boulder offers a unique mix of architecture and lifestyle. We work with clients here on high-end renovations and custom homes that blend thoughtful design with the surrounding environment.

Cherry Creek

Cherry Creek is one of Denver’s most sought-after neighborhoods, and we specialize in projects that match its level of detail and quality, from full interior transformations to luxury exterior upgrades.

Castle Pines

Known for its custom homes and upscale communities, Castle Pines is a strong fit for large-scale renovations and new builds where precision and project management are critical.

Greenwood Village

We work with homeowners in Greenwood Village on high-value remodels and additions, helping modernize homes while maintaining their character and long-term livability.

Highlands Ranch

In Highlands Ranch, we take on a wide range of projects, including whole home renovations, exterior upgrades, and restoration work, helping homeowners invest confidently in their properties.

A Structured Approach Designed Around Your Project

1 | INITIAL CONVERSATION
Every project starts with a conversation about your goals, your home, and what you want to accomplish. From there, we schedule a free on-site consultation to walk the property and give you an honest picture of what's possible.
2 | PLANNING, ESTIMATE, AND CONTRACT
We map the full scope before any work begins. You get a detailed estimate, a clear contract, and a project schedule. No vague line items. No surprises.
3 | BUILD & WALKTHROUGH
A dedicated Project Manager owns your project from pre-construction through closeout. Daily updates through Buildertrend. A full walkthrough at the end. A workmanship warranty after.

Where We Work

We work across the Denver metro and the Front Range, from whole-home renovations and additions to insurance restoration work that takes us throughout Colorado and into southern Wyoming. Wherever the project is, the standard is the same.

If you don't see your area listed, reach out. We may still be the right fit.

 

Our Service Area

Primary Areas We Serve:
  • Denver
  • Boulder
  • Cherry Hills Village
  • Cherry Creek
  • Hilltop
  • Washington Park
  • Greenwood Village
  • Castle Pines
  • Castle Rock
  • Genesee
Additional Areas We Serve:
  • Littleton
  • Applewood
  • Arvada
  • Evergreen
  • Cherry Hills
  • Golden
  • Louisville
  • Lone Tree
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What Our Clients Say

"Cillessen have done several reconstruction and remodeling projects for us and have always done a superb job. We’ve worked with them for 5 years and have come to know some of the workers who have been there for years. We’ve seen them move up, get new positions and grow. They are true craftsmen and artisans. We recommend Cillessen highly."

John Schmaus

"Dylan and Kurt did a great job. Very professional job. The work looks great and it was done right. And got me those supplements from the insurance company. thanks guys"

Michael Bingham

"Excellent general contractor with top-quality workmanship. The team was punctual, reliable, and paid great attention to detail. They completed the project on time and kept me updated throughout the process. The final result exceeded my expectations. I’m very happy with the service and highly recommend them."

Ashley McKee

"I’ve had the opportunity to interact with Devon professionally and have consistently been impressed with his integrity, communication, and attention to detail. He runs a thoughtful, organized operation and clearly takes pride in doing things the right way. I wouldn’t hesitate to recommend Cillessen Construction Company to those looking for a quality contractor."

Ryan Koelling

"Devon at Cillessen is great to work with. I'm a local Realtor and I refer all my clients exterior needs to Cillessen. Not many exterior companies work with Vinly siding anymore and Cillessen does and beats the competition."

Robert Glenn

"Devon and Cillessen Construction are top notch. They honor their word and commitment to honest estimates and working with clients on insurance claims. They deserve a call if you have roofing or other exterior challenges or needs."

Holly Johnson

"Devon and Heath are incredibly competent, compassionate and capable to do more to serve their clients than anyone I have worked with."

Mark Brende