Find a Septic Contractor

Septic professionals such as pumpers, installers, and monitoring and maintenance specialists receive individual certifications. On this page, we list companies with professionals on staff who are certified in Snohomish County. Some septic contractors are certified in more than one area. For more information on becoming certified, take a look at our certification process.

View the 2023 list of septic pumpers, installers, and monitoring & maintenance specialists.

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Please note that designers and engineers are licensed by the Washington State Department of Licensing. To look up licensing information online, you can either create an account with the DOL or look up “certified septic system designers in Snohomish County” using the internet. For more information on becoming certified you can email Environmental Health.