Lilly's Septic Service in Maple Valley, WA
About Lilly's Septic Service
From the website of Lilly's Septic Service, read 15 Sept 2026. It describes what the company says it offers, not independent verification.
Lilly's Septic Service pumps septic tanks and installs new systems. The installation work covers both new homes and older systems that need full replacement. Pumping is offered as ongoing care, a tank cleaning meant to keep a system healthy over the years.
Septic Services in Maple Valley
Quoted from the website of Lilly's Septic Service, read 15 Sept 2026.
Beyond pumping and installation, the company performs home sale septic inspections, system repairs, and drainfield restoration. Its restoration service takes on a system that is backing up or draining slowly and can often bring it back without a whole new system. The ground adds a local wrinkle: mapping rates the soil around Maple Valley as very limited for septic drain fields on all of the rated ground, slope the top limit at 91.7% of rated ground, so the field often has to be laid across the grade.
New System
Click Here Drainfield Restoration If your system is backing up or draining slowly, our restoration service can often bring it back to life without the need for a new system.
source opens in a new tab Septic Inspection
Call or text Lilly’s Septic Service today to schedule your septic inspection and on time.
source opens in a new tab Septic Pumping
CONTACT US For reliable and professional septic pumping, real estate home sale inspections, repair and restoration and even full new installs in Kent, WA and surrounding areas, trust Lilly’s Septic Service.
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Septic Service Categories
These are how Google lists the business, not proof of a service offered.
Hours
- Monday to Friday
- 9:00 AM to 4:00 PM
Google Reviews
From the Google listing, checked 30 Aug 2026.
Customers describing recent jobs point to fast response and clear explanations. Thomas wrote that Josh answered a sewage backup call on Labor Day, arrived on schedule, and fixed the problem on the spot. Don called at 9 in the morning and wrote that Josh "was here in 3 hrs," while David and Lisa both mention technicians who arrived on time and explained the work.
Map and Directions
Lilly's Septic Service26207 Maple Valley Black Diamond Rd SE Ste D1, Maple Valley, WA 98038
Other Septic Companies in Maple Valley
Local Ground
Around Maple Valley, the main drain-field limit is slope: the field has to be laid carefully across the grade rather than down it. Site conditions on any one lot can differ from the map. See the Maple Valley city page for the full soil profile.
Frequently Asked Questions
What services does Lilly's Septic Service offer?
Published on their website: New System, Septic Inspection, Septic Pumping.
How is Lilly's Septic Service rated?
4.9 stars from 10 Google reviews.
Before You Call
Selling a house puts a hard date next to the septic system. Lilly's offers a home sale septic inspection for exactly that moment, so the useful question on the phone is whether the inspection can be completed before your closing day.