Office Hours:

Monday: 9:00 am - 4:00 pm

Tuesday: 9:00 am - 4:00 pm

Wednesday: 9:00 am - 4:00 pm

Thursday: 9:00 am - 4:00 pm

Friday: 9:00 am - 4:00 pm

Saturday: Closed

Sunday: Closed

Lilly’s Septic Tank Pumping Service

Lilly’s Septic Tank Service, provides quality environmentally conscious expert Septic Tank Pumping and Septic System Sale Inspections, Septic System Repair, Pump Replacements, Pump alarm calls to residential and commercial clients in King & Pierce Counties.

Owner Darren McCullough has been professionally servicing customers in King County for 20 years.  Darren is a Certified Master Installer, Certified King County Operations & Maintenance Professional, Certified Real Estate sale Inspection Professional and Certified Septic System Pumping Professional for King, Pierce, Snohomish & Kittitas Counties

Lilly’s Septic Tank Service, provides quality environmentally conscious expert Septic Tank Pumping, Septic System Real Estate Sale Inspections, Septic Repair services to residential and commercial clients in King & Pierce Counties.

We proudly provide the best customer service in the industry! For more than 20 years, Lilly’s Septic Tank Pumping Services has provided its clients with quality, expert & thorough Septic System services. Based in King County, Lilly’s Septic Services handles both residential and commercial jobs ranging from Septic Tank cleaning and pumping, Locating and Digging Septic Tank lids, Real Estate Sale Septic Inspections, emergency Septic System repairs, Pump alarm calls and Septic Pump Replacements.

As an environmentally conscious company, Lilly’s Septic System Service guarantees satisfaction. Our company is a member of the National Onsite Wastewater Recycling Association (NOWRA) and the Washington Onsite Sewage Association (WOSSA).

Thank you for stopping by our website! I’m sure you will find an abundance of helpful information and resources here for you Septic System Needs. If you have questions and/or would like to book an appointment for Septic Services give us a call or send an email.

(425) 432-3084 * (253) 639-3606 * (360) 825-4809

Serving King & Pierce County including: Maple Valley, Ravensdale, Enumclaw, Black Diamond, Covington,Issaquah, Kent, Renton, Auburn, Federal Way, Snoqualmie, North Bend,  Fall City, Preston, Carnation, Woodinville, Redmond, Duvall, Kirkland, Bellevue, Clyde Hill, Medina, Mercer Island, Sammamish, Seattle Issaquah,- Greenwater, Buckley, Lake Tapps, Puyallup, Tacoma