Engineers, Designers, Planners, Geologists, Geotechnical Engineers, Surveyors, Environmental Scientists, Special Inspectors, and More

LACO provides professional consulting services for development, infrastructure, and geo-environmental projects to advance the quality of life for generations to come. We have offices in Humboldt County, Mendocino County, and Sonoma County, and have served Northern California since 1954. Your goals and concerns are our priority, and we have the resources, expertise, and perspective to help you succeed. 

We offer the following services:

• Engineering
• Building Design
• Planning, Permitting, and Environmental Compliance
• Engineering Geology, Geotechnical Engineering, and Hydrogeology 
• Surface Mining and Reclamation Act (SMARA) Compliance
• Geotechnical Engineering and Geology
• Environmental Science and Geology
• Materials Testing and Special Inspection
• Survey

"Our office appreciates LACO's dedication to working with our various stakeholders to develop scientifically defensible best management practices and supportive recommendations. Based on their technical expertise and professionalism, we recommend LACO for your projects."- Andy Casarez, Agriculture and Vineyard Conservation Coordinator, Sonoma County Department of Agriculture