Construction & General Engineering

Expert Sitework & Civil Construction Services in Northern California

At Jefferson State Highways, we deliver professional, detail-oriented construction services tailored to meet the unique needs of public works projects, infrastructure development, and large-scale sitework throughout Northern California.

Your Trusted Partner in Government Contracting

With years of experience serving as both a prime contractor and subcontractor, we have a proven track record managing complex civil construction projects for municipalities, counties, and state agencies. Our knowledge of government contracting procedures ensures projects are completed on time, within budget, and up to regulatory standards.

Comprehensive Sitework Services

We specialize in full-service site preparation and earthwork, providing a solid foundation for every type of construction project. Our services include:

• Excavation & Earthmoving: Precise excavation services for building foundations, roadways, and drainage systems.
• Grading & Soil Stabilization: Leveling and compacting for optimal performance and long-term durability.
• Fencing & Gate Installation: Durable, secure fencing and gate systems for commercial and public properties.
• AC Dike Placement: Expert asphalt concrete dike installation for proper water flow and erosion control.
• RSP (Rock Slope Protection): Reliable slope stabilization and erosion prevention using high-quality riprap.
• Underground Utilities: Installation of water, sewer, storm drains, and other underground infrastructure.

Built for Public Infrastructure Success

Our team is equipped to handle the challenges of heavy civil construction, from grading and excavation to erosion control and underground utility installation. Whether we’re leading the job or supporting a general contractor, our goal remains the same: delivering high-quality work that exceeds expectations.