AAA Septic: Mason County, WA's expert septic pumping, repairs, inspection, & installations. Serving Allyn, Shelton, Belfair & more since 1993. Call (360) 427-6110 to Book.
  • Local Knowledge – We understand Mason County’s unique septic regulations and soil conditions.
  • Emergency Response – Available weekends for urgent septic issues
  • Health Department Compliance – All services meet local codes and requirements
  • Transparent Pricing – Clear, upfront quotes with no hidden fees
  • Since 1993 – Serving generations of Mason County homeowners

Our Mason County Septic Services:

Regular septic maintenance prevents costly repairs and protects Mason County’s precious waterways, Hood Canal, and Puget Sound from harmful contamination.

AAA Septic serves every corner of Mason County, WA, USA, including AllynLilliwaup, Tahuya, Shelton, BelfairHoodsportUnion, Grapeview, Skokomish, Matlockand surrounding areas.

Schedule Your Service Today! Call (360) 427-6110 or Book Online.

AAA Septic delivers emergency septic pumping, repairs, installations, operations & maintenance, and inspections to homes and businesses in Allyn, Belfair, Hoodsport, Lilliwaup, Matlock, Shelton, and Tahuya in Mason County, Washington, USA. 

We’re Mason County’s most trusted septic specialists.

Is your septic system in Mason County, WA, overdue for pumping? Notice slow drains or odors?

AAA Septic is ready to help with expert septic service in Allyn, Lilliwaup, Tahuya, Shelton, Belfair, Hoodsport, Union, Grapeview, Skokomish, Matlock, and surrounding areas.

Click the button below to schedule your appointment or Call (360) 427-6110 now.

How often should I pump my septic tank in Mason County, Washington?​

For Mason County homes in SheltonBelfairAllyn, and surrounding areas, we recommend pumping every 3 – 5 years. However, this varies based on household size, tank capacity, and usage patterns. Waterfront properties near Hood Canal or homes with more occupants may need more frequent pumping. 

Call us at (360) 427-6110 for a personalized maintenance schedule for your Mason CountyWA septic system.

If you notice slow drains, gurgling sounds in plumbing, sewage backups, unusually lush grass over your drain field, or foul odors around your SheltonBelfair, or Hoodsport property, your septic system needs immediate inspection. These symptoms indicate potential problems that could lead to costly repairs if left unaddressed.

Our Mason CountyWA septic experts can diagnose and fix issues before they become emergencies. Call us at (360) 427-6110

Septic pumping costs in Mason County typically range from $425 – $625 for standard residential systems in SheltonBelfairAllyn, and surrounding communities. Factors affecting price include tank size, accessibility, distance from our facility, and whether risers are installed. 

We offer transparent, upfront pricing and can provide an exact quote when you call us at (360) 427-6110

Yes! AAA Septic provides EMERGENCY weekend septic services throughout Mason County, including SheltonBelfairHoodsport, and all surrounding communities. When you’re facing a septic emergency, our local technicians respond quickly to prevent property damage and protect your family’s health. 

For urgent septic needs in Mason CountyWA, call our EMERGENCY line at (360) 427-6110.

Our comprehensive Mason County home sale septic inspections include tank condition assessment, liquid levels check, drain field evaluation, system component inspection, and complete documentation that meets Mason County Health Department requirements. 

Whether you’re selling in SheltonBelfairAllyn, or anywhere in Mason County, our detailed reports help satisfy buyer requirements and real estate transaction needs. Schedule your home sale inspection by calling (360) 427-6110.