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Your Trusted Concrete Contractor in Poway, CA
Demcon Concrete has evolved over the past decade into a premier full-service concrete contractor serving California and the Southwestern United States. Founded on principles of quality and ethics by industry veterans Derek Leffler and Ed Stoughton, our team brings over 30 years of combined expertise in concrete construction. We specialize in Design Build projects, Structural Concrete applications, and Decorative Concrete solutions, delivering world-class results for parking structures, office buildings, high-rises, and more. Our commitment to innovation is demonstrated through advanced estimating technology and collaborative partnerships with architects and engineers. With $40 million in sales over the last three years, we maintain a client-centric approach focused on exceeding expectations through value engineering and streamlined construction methods.

Our in-house divisions handle tilt-up, cast-in-place, lightweight decking, and site concrete projects, ensuring comprehensive service delivery. We prioritize lasting relationships with general contractors and owners, maintaining strict adherence to project budgets and timelines. Our reputation for excellence stems from decades of industry experience and a relentless pursuit of construction efficiency. As a trusted partner, we provide tailored concrete solutions that balance economic, environmental, and scheduling considerations for every project.
Services
Design Build Structural Concrete Decorative Concrete Tilt-Up Site Concrete Lightweight Decking Cast-in-Place Parking Structures High-Rise Concrete Concrete Rehabilitation
Highlights and features
  • We offer 30+ years of combined concrete construction expertise
  • Our team specializes in advanced design-build project delivery
  • We utilize cutting-edge technology for precise project estimating
  • Our divisions handle all concrete applications from tilt-up to decorative finishes
  • We maintain proven success in meeting project budgets and timelines
Services
Design Build
Our design-build concrete solutions combine architectural vision with structural engineering expertise. We coordinate all project phases from concept to completion, ensuring cost efficiency and schedule adherence for parking structures, office buildings, and podium developments. This collaborative approach streamlines decision-making while maintaining uncompromising quality standards.
Structural Concrete
We deliver comprehensive structural concrete services including tilt-up panels, cast-in-place elements, post-tensioned slabs, and high-rise construction. Our expertise covers mat slabs, shear walls, and complex reinforcement systems for commercial and institutional buildings requiring durable, code-compliant structural frameworks.
Decorative Concrete
Our decorative concrete division creates visually striking surfaces using acid staining, integral coloring, exposed aggregates, and custom stamping techniques. We provide polished floors, decorative saw cutting, and lightweight architectural concrete solutions that combine aesthetic appeal with functional durability for interior and exterior applications.
Tilt-Up Construction
Specializing in tilt-up concrete construction, we fabricate large-scale wall panels on-site and erect them using cranes. This cost-effective method reduces construction timelines while providing energy-efficient building envelopes suitable for warehouses, distribution centers, and commercial facilities across the Southwest.
Concrete Rehabilitation
We restore aging concrete structures through comprehensive rehabilitation services including crack repair, spall restoration, and protective coating applications. Our team addresses deterioration in parking structures, building facades, and infrastructure elements while extending service life and maintaining structural integrity.
People
Derek Leffler
Principal
With over 30 years of industry experience, Derek Leffler co-founded Demcon Concrete and established its reputation for quality and innovation in concrete construction methods and project delivery systems.
Ed Stoughton
Principal
Ed Stoughton brings three decades of concrete construction expertise to Demcon, focusing on structural integrity standards and operational excellence across all project types and construction phases.
Toalei Talataina
Business Development Executive
Toalei Talataina leads business development efforts, leveraging industry relationships and market knowledge to expand Demcon's presence in commercial and institutional concrete construction sectors.
Questions
What concrete services does Demcon offer?
We provide design-build solutions, structural concrete, decorative finishes, tilt-up construction, and concrete rehabilitation services for commercial, military, and educational projects.
What areas do you serve?
Our primary service area includes California and the Southwestern United States, covering both urban and regional construction markets.
How does your design-build approach benefit clients?
Our integrated design-build methodology streamlines project delivery, reduces costs, and improves scheduling through coordinated planning and execution of all construction phases.
What makes your concrete solutions unique?
We combine advanced estimating technology with specialized expertise in multiple concrete applications to deliver customized solutions that meet specific project requirements and aesthetic goals.
How do you ensure project quality?
Our principals have 30+ years of combined experience implementing rigorous quality control measures and collaborating with structural engineers to maintain industry-leading standards.
Can you handle large-scale projects?
With $40 million in recent sales and multiple specialized divisions, we have the capacity and expertise to manage complex, multi-phase concrete construction projects of any scale.