Business Details
50+ Years
experience
Trusted Commercial Construction Services in Denver, CO
Calahan Construction Services has delivered commercial construction expertise across the Front Range for over eight decades. As a family-owned business operating through four generations, we combine a client-focused small business approach with the capability to execute large-scale projects. Our design-build methodology fosters collaboration with architects, engineers, and clients to streamline processes and reduce costs while maintaining quality. We specialize in new construction, additions, remodels, and tenant finishes for industries ranging from education to waste management.Our commitment to value engineering ensures budget adherence without compromising safety or efficiency. With board member status in multiple organizations and recognition like the Star Metal Building Master Builder Award, we uphold a legacy of integrity and accountability. Our free pre-construction consultations emphasize transparency, and our ownership remains directly involved in every project to guarantee client satisfaction. This enduring philosophy has solidified our reputation as Denver's trusted commercial general contractor since 1937.
Services
New Construction
Design-Build
Additions
Remodel/Renovations
Building Permits
Commercial Masonry
Tenant Finish
Demolition
Metal Building
Value Engineering
Details
- Year established: 1937
Highlights and features
- We offer 85+ years of commercial construction experience in Colorado
- Our design-build process reduces project timelines and costs
- Family-owned with direct owner involvement in every project
- Free pre-construction budgeting and consultation services
- Proven track record with complex municipal and industrial projects
What people say
On schedule and within budget
Professional and responsive
Delighted with remodel
Excellent safety practices
Consistent project approach
Services
New Construction
Our new construction services create custom commercial facilities using tilt-up, metal building, or masonry methods. We handle projects from site preparation to final inspections, ensuring compliance with all building codes. Clients benefit from our 85-year local experience and relationships with trusted subcontractors across Colorado.
Design-Build
Our design-build approach unifies architecture, engineering, and construction under one contract. This method reduces project timelines by 20-30% while maintaining budget control. Clients work directly with our in-house team to ensure their vision translates seamlessly into functional spaces.
Commercial Remodels
We specialize in complex commercial renovations that maintain business operations during construction. Our team handles structural modifications, mechanical upgrades, and interior redesigns. Past projects include school modernizations completed within 10-week summer breaks and industrial facility expansions.
Building Permits
Our permitting experts navigate Colorado's municipal requirements for commercial projects. We handle submittals, inspections, and code compliance for new construction and renovations. This service ensures projects avoid costly delays from regulatory issues.
Commercial Masonry
Our masonry division handles brick, stone, and stucco applications for commercial buildings. We provide both new installations and restoration services. Projects include structural repairs, aesthetic upgrades, and custom masonry solutions that meet Colorado's climate requirements.
Questions
What commercial construction services do you offer?
We provide new construction, design-build, additions, remodels, tenant finishes, and commercial masonry services for businesses across Colorado.
Which industries do you specialize in?
We serve education, manufacturing, transportation, waste management, municipal, and industrial clients with customized construction solutions.
How does your design-build process work?
Our integrated approach combines architecture, engineering, and construction under one contract to streamline communication and reduce project timelines.
Are you licensed for Colorado construction projects?
Yes, we're a licensed general contractor in Colorado with 85+ years of local experience and municipal permitting expertise.
What sets you apart from other contractors?
We combine family-owned personalized service with large-project capabilities, backed by decades of regional experience and industry awards.
Do you handle complex renovation projects?
Yes, we specialize in challenging renovations for aging facilities while maintaining operational continuity for our clients.
