We are a family-owned and operated septic tank pumping company based out of Maple Valley, WA.
Our mission is to give our residential and commercial customers top-quality service while providing economical solutions to their repair or replacement needs. We accomplish this by only employing expert technicians that are Washington On-Site Sewage Association (WOSSA) certified and posses years of hands-on experience in the industry.
Our team is happy to answer your questions about your septic system. McNel Septic Service is fully insured, licensed and bonded for your peace of mind.
Featured on Pumper Magazine
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Residential and Commercial Services
- Pumping
- Septic Tank Locating
- Baffle, Riser and Lid installation
- Pump Repairs
- Inspections for Home Sales
- Lateral Line Cleaning
- Large and small capacity trucks
- Extra-long hoses
Dedicated to Service
We have earned a great reputation by being honest, reliable, affordable, and on time; our technicians will always greet you with a smile! If you are in need of septic tank service in Maple Valley, Black Diamond, Palmer, Ravensdale, or King County, WA, call McNel Septic Service first. Contact us today!