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Business Details
50+ Years
experience
Your Trusted Building Materials Supplier in Sonora, CA
Founded in 1956 by lifelong Sonora resident Lowell Lehman, L.K. Lehman Trucking has established itself as a trusted provider of building materials across Tuolumne and Calaveras Counties. Our family-owned business specializes in ready-mixed concrete, masonry products, aggregates, and landscaping supplies, serving residential, commercial, and industrial clients with unwavering commitment to quality and timely delivery. We distinguish ourselves through comprehensive project support, assisting estimators during bid processes and collaborating closely with project managers throughout construction phases.

Our dedication extends beyond business, prioritizing community investment through material donations and employee volunteerism. With decades of local expertise, we combine American-made products with personalized service to meet diverse project needs, ensuring reliability and customer satisfaction at every stage.
Services
Ready Mix Concrete Aggregates Masonry Products Landscaping Supplies Septic Tanks Truck Brokerage
Details
  • Year established: 1956
Highlights and features
  • Family-owned since 1956 with deep local expertise
  • Comprehensive project support from bidding to completion
  • Community investment through material donations and volunteerism
  • Timely deliveries with personalized service
  • American-made concrete and locally sourced materials
Services
Ready Mix Concrete
We provide ready-mix concrete in any strength or color, including specialized products like shotcrete for pools and slurry Quikrete. Our American-made concrete ensures structural integrity for residential, commercial, and industrial projects. With precise batching and on-time delivery, we support foundations, infrastructure, and custom construction needs across Central California.
Aggregates
Our aggregate offerings include base rock, drain rock, rip rap, river rock, pea gravel, decorative rock, and multiple sand types. These materials meet construction, drainage, and landscaping requirements for both large-scale projects and individual homeowners. We maintain consistent quality across all aggregate products for durability and performance.
Masonry Products
We supply concrete blocks, bricks, stone veneer, and precast septic tanks manufactured locally in Sonora. These products serve structural and aesthetic applications for residential and commercial buildings. Our inventory supports both traditional masonry construction and modern design requirements.
Landscaping Supplies
Our landscaping products feature decorative stone, river rock, faux stone, bark, compost, and soil blends. These materials enhance outdoor spaces while meeting functional requirements for erosion control and garden health. We offer bulk delivery options for both residential and commercial landscaping projects.
Truck Brokerage
We coordinate trucking services for local deliveries and extended hauls using CARB-compliant owner-operated vehicles. Our network ensures reliable transportation of construction materials while maintaining safety standards. Available 24/7 for urgent delivery requirements across designated service areas.
People
Lowell Lehman
Founder
Lowell Lehman established the company in 1956, building a legacy of quality service and community commitment. His vision for reliable material supply and customer support continues to guide the family-owned business today.
F.M. Anderson
Co-Founder
Partnering with Lowell Lehman, F.M. Anderson helped shape the company's early operations. Their combined expertise established the foundation for delivering construction materials and personalized service across the Mother Lode region.
Questions
What building materials do you supply?
We provide ready-mix concrete, aggregates, masonry products, landscaping supplies, and septic tanks for residential, commercial, and industrial projects.
Do you deliver materials to job sites?
Yes, we offer on-time delivery of concrete and construction materials using our trucking network across Tuolumne and Calaveras Counties.
Are your septic tanks locally manufactured?
All our septic tanks (1000-1500 gallon) are manufactured at our Sonora facility to meet local code requirements.
What are your business hours?
Our plant operates Monday-Friday 7:30 AM-3:30 PM, Saturday 7:00 AM-12:00 PM. Office hours may vary by department.
How can I get a project estimate?
Contact Matt at (209) 532-5586 Ext 4 for concrete/trucking estimates or Bill at Ext 3 for masonry/landscaping quotes.