On Site Services, LLC

Welcome to the website for ON-SITE SERVICES LLC (OSS).  We are an onsite septic system design and septic system inspection company with 18-years of professional experience in Clallam County and are licensed by the State of Washington as an ON-SITE WASTEWATER TREATMENT SYSTEMS DESIGNER, Lic. # 5100126.

Services we provide:


• Septic system inspections (existing systems)
  
  
  • At time of sale
    
  • Land development
    
  • Building permit
    
  • Required O&M
   
  
• Site and soil evaluation  (perc  test)
  
• Complete permit documents to the County
  
• Onsite septic system designs
  
• Construction oversight and inspection

We are members of: