Business Details
21 Years
experience
Emergency
services
Trusted Construction Contractors in Sonora, CA
At Sierra Mountain Construction, Integrity is at the Cornerstone of our Foundation. Established in 2005, we deliver Safe and Innovative solutions to Complex construction projects across Northern California. Our team combines nearly a century of collective experience with a commitment to safety and client collaboration. We specialize in heavy civil infrastructure, including canals, dams, tunnels, and pipelines, serving the region for nearly two decades.Our safety culture is built on rigorous training programs, including OSHA compliance and emergency response protocols. With union partnerships and a focus on sustainable practices, we ensure every project meets the highest standards of quality and reliability. Our legacy of trust with clients and employees alike reflects our dedication to excellence in every construction challenge we undertake.
Services
Canals
Diversion Grading
Excavation
Plants
Pumps
Tunnels
Pipelines
Dams
Bridges
Details
- Year established: 2005
Highlights and features
- We've served Northern California for nearly 20 years with specialized expertise.
- Our team combines 100+ years of collective construction experience.
- We maintain rigorous safety certifications and training programs.
- We offer emergency response capabilities for critical infrastructure needs.
- Our union partnerships ensure skilled labor and quality workmanship.
Services
Canal Construction
We design and build durable canal systems for water management and irrigation. Our expertise ensures efficient water flow and long-term structural integrity. Clients benefit from our experience in navigating environmental regulations and complex terrain challenges.
Tunnel Excavation
Our tunneling specialists handle complex underground construction with precision safety protocols. We utilize advanced excavation techniques for mining, transportation, and utility infrastructure. Clients receive reliable solutions for challenging geological conditions across Northern California.
Dam Construction
We build critical water containment structures with strict engineering standards. Our team implements seismic-resistant designs and erosion control measures. Clients gain from our experience in both new construction and dam rehabilitation projects.
Pipeline Installation
Our crews install high-capacity pipelines for water, gas, and industrial applications. We employ trenchless technology where appropriate to minimize environmental impact. Clients benefit from our expertise in pressure testing and leak detection systems.
Bridge Building
We construct bridges with advanced materials and load-bearing engineering. Our process includes foundation reinforcement and seismic retrofitting. Clients receive durable crossings that meet modern transportation demands and safety standards.
People
Douglas Benton
President
Founded Sierra Mountain Construction in 2005 with a vision for ethical construction practices. Leads a team with 100+ combined years of experience. Has overseen $500M+ in successful project completions across the West Coast.
Questions
What construction services do you specialize in?
We focus on heavy civil projects including canals, dams, tunnels, pipelines, and bridges across Northern California.
How does your safety program work?
Our safety culture includes OSHA training, hazard communication, and emergency response protocols with certified personnel on every project.
What experience do you have with infrastructure projects?
Since 2005, we've completed nearly $500M in heavy civil construction projects with our team's 100+ combined years of experience.
Do you handle emergency construction needs?
Yes, we provide emergency response services for critical infrastructure repairs and maintenance across our service areas.
What union partnerships do you maintain?
We work with Operating Engineers Local Union No. 3, Laborers Local No. 1130, and other certified trade unions for quality craftsmanship.
