Connect with Top-Rated Septic System Services in Ferndale!

Stone Onsite Septic specializes in designing and installing septic systems that meet the unique needs of each property owner in Whatcom County and surrounding areas. With decades of experience in wastewater engineering, Mark Stone, a licensed professional engineer, takes a comprehensive approach to designing septic systems that consider the site, soil type, future use, and budget. Whether it's new construction or a failed septic system, Stone Onsite Septic can help homeowners create a septic system that will last without problems for years.