Business Details
50+ Years
experience
Trusted Building Materials Supplier in South El Monte, CA
Southeast Construction Products has been a trusted name in the building materials industry since 1939, founded by Guy F. Mattox in South Gate, California. Over 80 years of continuous operation, we transitioned from concrete manufacturing to becoming one of Southern California's largest building materials distributors. Our employee-owned structure since 2015 reflects our commitment to quality and customer satisfaction, serving builders, contractors, and architects with over 100 delivery vehicles and specialized fabrication facilities. We maintain five strategically located yards across Southern California, offering exclusive product lines specified in construction projects throughout the region. Our experienced team provides expert guidance on material selection and quantity calculations, ensuring project success for residential, commercial, and industrial applications.With product sourcing from domestic and international suppliers, we offer comprehensive solutions including natural stone, manufactured veneers, interlocking pavers, and specialty construction materials. Our long-standing relationships with architects and contractors position us as a preferred supplier for custom home builders and large-scale developers. The company's growth trajectory demonstrates our ability to adapt to industry demands while maintaining the highest standards of service and product quality. Our hands-on approach and technical expertise ensure customers receive tailored solutions for their specific construction challenges. This enduring legacy of service excellence continues to drive our commitment to innovation and customer-centric operations.
Services
Brick Veneers
Natural Stone
Interlocking Pavers
Bulk Aggregates
Erosion Control
Safety Equipment
Synthetic Turf
Construction Tools
Imitation Boulders
Stepping Stones
Details
- Year established: 1939
Highlights and features
- We offer over 80 years of combined industry experience through our employee-owned team
- Our 5 strategically located Southern California yards ensure timely material delivery
- We provide exclusive product lines specified by leading architects and designers
- Our experienced staff offers expert material selection and quantity calculations
- We maintain a comprehensive inventory of domestic and imported building materials
Services
Brick Veneers
Our brick veneers combine traditional aesthetics with modern installation efficiency. Available in multiple profiles and finishes, these lightweight alternatives to solid masonry offer design flexibility while maintaining authentic brick appearance. Ideal for both interior accent walls and exterior facades, our veneer collection includes options that meet current energy efficiency standards while providing lasting durability.
Natural Stone
We offer an extensive selection of natural stone products including limestone, travertine, and sandstone. Our curated collection features both traditional and contemporary profiles suitable for architectural applications and landscaping projects. Each stone piece maintains its unique natural characteristics while meeting strict quality control standards for construction applications.
Interlocking Pavers
Our interlocking paver systems provide durable surfacing solutions for driveways, walkways, and commercial plazas. Available in multiple patterns and color blends, these high-strength concrete units offer superior load-bearing capacity while allowing for natural ground movement. The collection includes permeable options meeting modern stormwater management requirements.
Bulk Aggregates
We supply a comprehensive range of bulk aggregate materials for construction and landscaping applications. Our inventory includes crushed rock, decorative pebbles, and specialty blends meeting engineering specifications for drainage, base material, and aesthetic applications. Materials are available in various sizes and compositions to suit different project requirements.
Erosion Control
Our erosion control solutions include specialized products for slope stabilization and sediment management. The product line features biodegradable erosion control blankets, netting systems, and structural solutions designed to prevent soil displacement while establishing vegetation. These systems meet environmental compliance standards for construction sites and land development projects.
People
Robert Lewis
President
With decades of industry experience, Robert Lewis leads our operations with a focus on maintaining our legacy of quality and customer service.
Brian Trestrail
Vice President
Brian Trestrail oversees strategic operations with extensive knowledge of building material distribution and customer relationship management.
Ernie DeCosta
Covina Yard Manager
Ernie DeCosta manages our Covina location with expertise in material handling and inventory management systems.
Paul Rivera
General Manager Covina
Paul Rivera ensures operational excellence at our Covina facility with a focus on efficient order fulfillment and customer satisfaction.
Ron Gonzalez
Monrovia General Manager
Ron Gonzalez leads our Monrovia operations with extensive experience in construction material logistics and team leadership.
Questions
What building materials do you specialize in?
We specialize in brick veneers, natural stone, interlocking pavers, bulk aggregates, and specialty construction products.
Do you deliver construction materials to job sites?
Yes, we offer delivery services to construction sites and provide vehicle-side service at our locations.
Are you open to the general public?
We primarily serve contractors and builders but welcome all customers needing quality building materials.
What areas do you serve?
We serve Southern California with locations in South El Monte, Covina, Monrovia, Whittier, and Chino.
Do you offer exclusive building products?
Yes, we are exclusive distributor for several premium building material lines specified by architects.
How can I place an order?
You can place orders by phone at any of our locations for convenient pickup or delivery options.
