Centennial Septic Service provides expert residential and commercial septic system service to businesses and homeowners throughout NW Snohomish County. Whether you need to schedule a septic system installation in Granite Falls, a septic tank pumping in Arlington, a septic system inspection in Warm Beach or grease trap cleaning in Marysville, our specialists can help!

Centennial Septic Service is a local, family-owned and operated company with a great reputation. Whatever your needs, our highly-trained and experienced service technicians have the knowledge and tools to meet them. Our full range of septic system service solutions for both residential and commercial customers include:

• Septic System Installation
• Septic System Inspection
• Septic System MaintenanceSeptic System Repair
• Septic Tank Pumping
• Grease Trap Cleaning

High Septic System Service Training & Expertise

The pros at Centennial Septic Service know the value of professional training and certification, and regularly enroll in continuing education septic system courses through the Washington On-Site Sewage Association (WOSSA). This keeps our technicians and the company as a whole well informed about the latest trends and best practices within the industry.

Licensed, Bonded & Insured

When you invite someone onto your property to perform a service, you want to be sure that person has the training and experience to do the job correctly, and that you don’t have any liability for their on-the-job safety while on your property. That’s why we employ only licensed master installers and inspectors, and our company is licensed, bonded and insured. You can rest easy knowing your property is protected as our expert team works.

Fully Licensed & Insured Septic System Service Specialists

Serving the communities of Lake Stevens, Marysville, Arlington, Granite Falls, Silvana, Warm Beach, Stanwood & Machias