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John WiesemannLicensed

Licensed septic contractor based in Denmark, Oxford County, ME

License details

License number	SE00410
License type	Site Evaluator
License status	Current, Maine DHHS roster, expires 2027-02-28
License expires	February 28, 2027
Based in	Denmark, Oxford County, Maine 04022

"Based in" is the city and county of the address on the business's license record.

What this license covers

Site testing: licensed to run percolation tests and evaluate soils to determine what kind of system a site can support.

How to verify this license

We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #SE00410 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: Maine DHHS - Licensed Site Evaluators, last checked 2026-08-17. Look it up at the issuing agency.

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See every listing based in Oxford County or in Denmark.