Septic Services in Maple Valley, WA

Welcome to McNel Septic Service, a locally owned and operated company specializing in septic systems. We offer septic tank pumping and repair services to our customers in Maple Valley, Black Diamond, Palmer, Ravensdale, and King County, WA and the surrounding areas. We provide quality pumping, cleaning and repair services to both commercial and residential clients alike. We are proud to specialize in complete service and customer satisfaction.

Our goal for the business is to always treat the customer as if they were part of our family themselves. This includes offering a fair price on all of our septic services and making sure the job gets done right the first time. We believe this is a winning strategy for any company, which is why we have incorporated it into our business model as well.

About Us


Complete Maintenance for Your Septic Systems

Septic Systems

McNel Septic Service is your best source for experienced, educated technicians as well as affordable septic services. Our employees have years of experience in the business, and strive for quality in our customer service. We assist both commercial and residential property owners with a wide range of septic services to ensure their septic tanks are properly taken care of. Our company has the expertise and experience to handle all kinds of jobs related to septic systems throughout Maple Valley, WA and surrounding areas. We are happy to answer any questions you may have about your septic systems; we even give you a free estimate as to how much it would cost to repair and maintain your septic tank.

At McNel Septic Service, we have a wide range of services from pump repair to inspections and general system maintenance; and you can trust that you are employing a reliable, quality company. Our list of septic services include:

Septic Services

  • Pumping
  • Inspections
  • Decommissioning
  • Small and large capacity trucks
  • Extra-long hoses
Military and Veteran discounts available! Call us for more information!


Contact Us Today

If you are interested in what McNel Septic Service can offer you, please contact us. A member of our team would be glad to take your call and assist you in any way we can. Don’t forget to ask about our free, no-obligation estimate!

Contact Us


Proudly offering septic services in Maple Valley, WA and surrounding areas such as:

  • Auburn WA
  • Covington WA
  • Issaquah WA
  • Sumner WA
  • Federal Way WA
  • Bellevue WA
  • Maple Valley WA
  • Black Diamond WA
  • North Bend WA
  • Snoqualmie WA
  • Tukwila WA
  • Renton WA
  • SeaTac WA
  • Burien WA
  • Normandy Park WA
  • Fall City WA
  • Sammamish WA
  • Enumclaw WA
  • Ravensdale WA
  • Cumberland WA
  • Covington WA
  • Hobart WA
  • Des Moines WA
  • Dash Point WA