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Jon WinslowLicensed

Licensed septic contractor based in Porter, Oxford County, ME

License details

License number	940
License type	Certified Inspector
License status	Current, Maine DHHS roster, expires 2027-12-31
License expires	December 31, 2027
Based in	Porter, Oxford County, Maine 04068

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

What this license covers

Inspection: licensed to inspect existing septic systems; the license you want for a home-purchase inspection.

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 #940 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: Maine DHHS - Certified Inspectors, last checked 2026-11-04. Look it up at the issuing agency.

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See every listing based in Oxford County or in Porter.