1536 Sunnyside Mabton Rd Sunnyside, WA 98944
About Us

About Cliff's Septic Tank & Sewer in Sunnyside, WA

Established in 1948, and with over 60 years experience, Cliff's Septic Tank & Sewer based in Sunnyside, Washington proudly provides a wide range of residential, commercial and industrial septic system solutions in Yakima, Benton, Walla Walla, Grant, Kickitat and Franklin counties and the surrounding areas. Call 509-837-4060 for an estimate.

We are a locally owned and operated company, and are fully licensed, insured and certified to provide you with prompt, professional septic system services.

As a member of the Central Washington Home Builders Association (CWHBA), we're confident that the quality and affordability of our services won't be surpassed by our competitors.

At Cliff's Septic Tank Service, we dedicate ourselves to producing consistent, high-quality work. We're grateful for the loyal customer base we've built over the years and look forward to new growth as the years move forward.
If you have any questions or comments about our company, please contact us. We look forward to serving you.

Our other services include:

  • Cesspool Maintenance
  • Drain Field Restoration
  • Leach Field Restoration
  • Power Snaking, Video Camera
  • Septic and Bulk Hauling
  • Septic Grease Trap Maintenance
  • Septic Tank System Repairs, Installations, Inspections and Pumping
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