Business Details
27 Years
experience
Trusted Concrete Contractors in Golden, Colorado
Founded in 1999, MLL stands as Colorado's leading general concrete contractor specializing in innovative water-related cast-in-place concrete structures. Our team of over 30 dedicated professionals combines traditional construction values with modern agility to deliver projects on time and within budget. With expertise in concrete bridges, walls, large box culverts, and essential infrastructure, we prioritize safety, innovation, and open communication.Our commitment to leveraging cutting-edge technology and deep industry knowledge has established us as a trusted partner in shaping Colorado's infrastructure. We serve communities across the state, including Denver, Golden, and Clear Creek, with a focus on lasting impact and client satisfaction. Our portfolio demonstrates our ability to transform complex visions into reality through value-driven engineering and skilled execution.
Services
Flatwork
Structural Concrete
Fabricated Metals
Design Services
Project Management
Consulting
Details
- Year established: 1999
Highlights and features
- 20+ years of Colorado infrastructure expertise
- Team of 30+ certified concrete professionals
- On-time delivery since 1999 track record
- Specialized water-related concrete structures knowledge
- Safety-first approach with modern technology
What people say
On-time delivery
Technical expertise
Safety focus
Quality results
Professional team
Services
Structural Concrete
We construct energy dissipators, box culverts, pedestrian bridges, and other critical concrete structures. Our expertise ensures durable infrastructure solutions for municipal and commercial clients. Specializing in water-related applications, we deliver projects that meet strict engineering standards while maintaining budget and timeline commitments.
Flatwork
Our flatwork services include curbs, gutters, sidewalks, trails, and roundabouts. We provide precision concrete placement for transportation and pedestrian infrastructure. From ramps to splash blocks, our team ensures ADA compliance and long-lasting surfaces for public and private developments.
Fabricated Metals
We create custom safety grates, hand rails, and structural metal components. Our fabrication shop produces wear plates and channel frames to complement concrete structures. This integrated approach ensures seamless coordination between concrete and metal elements in complex infrastructure projects.
Project Management
We provide end-to-end project management from planning to execution. Our skilled foremen ensure quality control and timely delivery. Through value engineering and experienced coordination, we optimize resources while maintaining strict adherence to safety protocols and construction standards.
Design Services
Our team offers architectural review and value-driven engineering recommendations. We analyze structural requirements to develop optimal concrete solutions. By integrating design with construction expertise, we ensure practical, cost-effective implementations that meet both functional and regulatory requirements for complex infrastructure projects.
People
Tim Lemke
President & Founder
With over 20 years in concrete construction, Tim established MLL in 1999. His leadership focuses on combining traditional values with modern techniques to deliver quality infrastructure solutions across Colorado.
Tami Lemke
Controller
Tami manages financial operations with precision honed through decades in construction accounting. Her expertise ensures fiscal responsibility while supporting the company's growth and project execution capabilities across Colorado's infrastructure sector.
Andrew Lemke
Maintenance & Fabrication Manager
Andrew oversees equipment maintenance and metal fabrication operations. His technical expertise ensures optimal performance of construction assets and quality production of custom metal components essential for complex concrete projects.
Steve Voehringer
Estimator & Project Manager
Steve combines estimating accuracy with project execution skills. With extensive experience in concrete structures, he ensures realistic project planning and successful delivery of infrastructure solutions meeting both technical and budgetary requirements.
Stewart Leen
Superintendent
As senior superintendent, Stewart supervises field operations with 25+ years of construction experience. His hands-on leadership ensures quality control and safety compliance across diverse concrete infrastructure projects throughout Colorado.
Questions
What concrete services does MLL offer?
We provide structural concrete, flatwork, metal fabrication, design services, and project management for infrastructure projects.
Do you handle large infrastructure projects?
Yes, we specialize in complex concrete structures including bridges, culverts, and water-related infrastructure across Colorado.
How experienced is your team?
Our 30+ professionals have over 20 years of combined experience in concrete construction and infrastructure development.
What areas do you serve?
We operate throughout Colorado with primary offices in Golden, serving Denver, Clear Creek, and surrounding regions.
Can you handle custom metal components?
Yes, our fabrication shop produces custom safety grates, hand rails, and structural metal elements for concrete projects.
How do you ensure project quality?
Through experienced project management, value engineering, and strict adherence to safety and construction standards.
