Business Details
27 Years
experience
Expert Septic Services in King County, WA
CLS Septics has been a trusted provider of septic system solutions since 1999, serving residential and commercial clients across King, Pierce, and Kittitas Counties. Our team prioritizes reliability, premium quality, and leadership, ensuring every project meets the highest standards of excellence. With over two decades of experience, we specialize in septic installation, repair, inspection, and maintenance, adhering to local regulations and industry best practices. Our commitment to a positive work environment fosters client satisfaction, transforming complex septic challenges into manageable solutions. We collaborate closely with industry professionals and maintain strong relationships with county health departments to deliver compliant, efficient services.Our reputation is built on transparency, integrity, and a dedication to resolving septic issues promptly and effectively. Clients consistently praise our responsiveness, expertise, and ability to explain technical processes clearly. From new installations to emergency repairs, we strive to exceed expectations while upholding environmental and safety standards. Our monitoring and maintenance agreements ensure long-term system performance, providing peace of mind for property owners. As a locally owned business, we remain deeply invested in the communities we serve, continuously adapting to evolving industry demands.
Services
Septic Installation
Septic Repair
Septic Inspection
Drain Field Repairs
Septic Tank Repairs
Monitoring & Maintenance
Emergency Services
Details
- Year established: 1999
Highlights and features
- We have over 20 years of experience in septic system services across Washington State.
- Our team holds appointments on local technical advisory committees for septic regulations.
- We provide transparent explanations of complex septic processes and requirements.
- Our work environment fosters reliability and premium quality in every project.
- We maintain strong relationships with county health departments for efficient permitting.
What people say
Knowledgeable, responsive
Quality of their work unmatched
Gem on this septic project
Impressive work ethic
Polite and professional
Services
Septic Installation
CLS Septics specializes in compliant septic system installations for residential and commercial properties in King County. Our experts handle permitting, design, and execution while adhering to local regulations. With over two decades of experience, we ensure efficient installations that meet property-specific requirements and environmental standards.
Septic Repair
We provide comprehensive septic repair services addressing drain field issues, tank leaks, and pipe failures across King, Pierce, and Kittitas Counties. Our team uses advanced diagnostics to identify problems and implements durable solutions while maintaining compliance with county health department requirements for system functionality.
Septic Inspection
Our inspection services assess septic tank levels, drain field conditions, and system integrity to ensure optimal performance. Conducted by certified professionals, these evaluations help property owners maintain compliance with Washington State regulations and prevent costly failures through early detection.
Monitoring & Maintenance
CLS Septics offers annual monitoring agreements to maintain septic system health and regulatory compliance. Services include sludge level measurement, filter cleaning, alarm testing, and detailed reporting to county authorities, ensuring long-term system reliability and environmental safety.
Drain Field Repairs
We specialize in diagnosing and repairing clogged or saturated drain fields using industry-approved techniques. Our services restore proper drainage functionality while meeting local environmental regulations, ensuring septic systems operate efficiently for residential and commercial properties in Western Washington.
Questions
When should homeowners pump their septic tanks?
We recommend pumping every 3-5 years based on usage and tank size to maintain system efficiency and prevent backups.
What septic documentation is required when selling a home?
Sellers must provide an OSSM Notice recorded with the county and complete a septic inspection valid for six months before closing.
How long do septic repairs typically take?
Most repairs take 6-8 weeks including design, permitting, installation, and final county inspections for regulatory compliance.
Do you service both residential and commercial properties?
Yes, we handle septic needs for both property types across King, Pierce, and Kittitas Counties with tailored solutions.
What maintenance practices extend septic system life?
Regular inspections, water conservation, proper waste disposal, and annual professional maintenance agreements help maximize system longevity.