Cooley & Sons Excavating, Inc. is a second-generation family owned and operated company established in 1986. Cooley & Sons has been serving the San Luis Valley and surrounding areas for 40 years. Our mission is to provide quality work at an affordable price. We pride ourselves on building a strong lasting relationship with our customers and the community.

Our Services:

Septic Systems

  • CPOW Certified
    • Soils Evaluation
  • NAWT Certified
    • Septic Design
  • Licensed Septic Installer
  • Bonded & Licensed
  • CDPHE Permitting
  • Demolition & Site Cleanup
  • Offsite Disposal
  • Fuel Spill Cleanup
  • Bonded & Licensed
  • Road Construction
  • Asphalt Milling
  • Grading for Drainage
  • Building Pads
  • Aggregate Source
  • Bonded & Licensed
  • Colorado 811 Locates
  • Install & Repair Water Main
  • Install & Repair Water Service
  • Install & Repair Sewer Main
  • Install & Repair Sewer Service
  • Storm Drain
  • Storm Water Management
  • Manhole Installation
  • Parking Lots
  • Winter Road & Driveway Maintenance
  • Sidewalk Snow Removal
  • Pond, Canal & Irrigation Ditch Construction
  • Pond, Canal & Irrigation Ditch Maintenance
  • Headgates
  • Water Control Structures
  • CMP Culvert Distributer
  • GPS Layout & Pipeline Installer
  • Reclamation
  • Bank Stabilization
  • Rip Rap
  • Fish Barriers
  • Concrete/Steel Headgates
  • Measuring Weirs
  • Haul for Hire
    • Transport of Equipment
    • Transport of Material
  • Colorado DOT Oversize/Overweight Permitted