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John's Well ServiceLicensed

Licensed water well contractor based in Lyons, Boulder County, CO

License details

CompanyLarson, John L.
License typeLicensed Pump Installer
License statusActive, Colorado DWR licensed
Based inLyons, Boulder County, Colorado 80540

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

What this license covers

  • Pump installation: licensed to install, repair, and replace well pumps, pressure tanks, and the piping between the well and the building.

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

Source: Colorado DWR - Licensed Drilling & Pump Installation Contractors, last checked 2026-08-17. Look it up at the issuing agency.

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