Our Services in Grass Valley
Cojo Excavation & Asphalt provides professional excavation, asphalt maintenance, and concrete services to Grass Valley and the surrounding area.
ZIP Codes Served:
Available Services
Asphalt Maintenance
Seal Coating
Professional seal coating services that protect your asphalt from UV rays, water damage, and chemical spills while dramatically extending pavement life.
Learn moreCrack Sealing & Repair
Professional hot-pour rubberized crack sealing that prevents water infiltration and extends the life of your asphalt pavement throughout Oregon.
Learn moreAsphalt Paving
Full-service asphalt paving for new driveways, parking lots, and roadways throughout Oregon. Expert installation with proper base preparation for lasting results.
Learn moreParking Lot Maintenance
Comprehensive commercial parking lot maintenance programs including seal coating, crack repair, pothole patching, and striping for Oregon businesses.
Learn moreLine Striping & Pavement Markings
Professional parking lot striping and pavement marking services including ADA compliant handicap stalls, fire lanes, directional arrows, and custom markings.
Learn moreConcrete Services
Concrete Driveways
Professional concrete driveway installation with proper reinforcement, drainage, and finishing for Oregon homes. Built to withstand decades of use.
Learn moreSidewalks & Pathways
Expert concrete sidewalk and pathway installation for residential and commercial properties. ADA compliant, properly graded, and built to last.
Learn morePatios & Concrete Slabs
Custom concrete patio and slab installation for Oregon homes. From simple utility slabs to decorative stamped patios, we create outdoor spaces built to last.
Learn moreExcavation Services
Site Preparation
Complete site preparation services including clearing, grading, and earthwork for construction projects throughout Oregon.
Learn moreFoundation Excavation
Precision foundation excavation for residential and commercial construction. Accurate depths, proper drainage, and ready for your foundation contractor.
Learn moreDrainage & French Drains
Expert drainage solutions including French drains, yard drains, and grading to redirect water away from your home and eliminate wet areas.
Learn moreReady to Start Your Project in Grass Valley?
Get a free estimate for your excavation, asphalt, or concrete project. We respond within 24 hours.