Lilly's Septic Service of Tukwila

Lilly's Septic Service of Tukwila is a septic service in Tukwila, WA, located at 26207 Maple Valley Black Diamond Rd SE Ste D1. The company provides septic pumping, cleaning, system inspections, installations, and repairs to homeowners, realtors, and builders in King County and Pierce County, including Kent and Renton. With over 48 years of experience, the firm employs certified installers and OSM-certified technicians who handle everything from routine tank maintenance to complex drainfield restorations and time-of-sale evaluations. The business holds a rating of 4.90 based on customer reviews.

Lilly’s Septic Service was established in 1978 to address issues of poor communication and lack of accountability in the septic industry. The company operates as a full-service provider built around defined scopes, documentation, and quality control rather than volume-first operations. Their team designs, installs, and repairs all types of septic systems, ensuring every job meets local health department requirements and time-of-sale inspection standards. They specialize in serving properties with high groundwater and challenging soils, which are common in King County.

The firm offers comprehensive services including regular septic pumping to keep systems clean and efficient, as well as property sale services that help realtors and homeowners navigate county-required septic evaluations. Their licensed inspectors handle all necessary documentation to ensure systems meet standards, allowing home sales to move forward without delays. For failing systems, certified experts use proven restoration methods to repair damaged tanks, lines, and drainfields, aiming to restore full function and prevent costly replacements.

Customers rate the business highly for its reliable, high-quality work and fair pricing. The company offers a 100% satisfaction guarantee and fast response times with same-week scheduling and 24-hour turnaround on reports. Their reputation is built on decades of hands-on experience and a commitment to clean, honest work that leaves no mess.

Lilly’s Septic Service of Tukwila combines over four decades of local expertise with certified technical skills to provide dependable septic solutions for King County residents.

BizScoreAI gives Lilly's Septic Service of Tukwila a Discoverability score of 100 out of 100, which ensures AI crawlers can access every page so AI assistants can recommend the business. The company also receives a Technical score of 80 out of 100, meaning the website is secure and indexable for search engines to read without errors.