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Landmark Testing and EngineeringLicensed

Licensed septic contractor based in St. George, Washington County, UT

License details

CompanyDavid Baldazzi
License number03816, 04051, 03401
License typeOSP Level 1/2
License statusActive
License expiresDecember 31, 2028
Based inSt. George, Washington County, Utah
Work types on the rosterEngineering; Consultant

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

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 #03816, 04051, 03401 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: Utah DEQ - Active Onsite System (OSP) Certificate Holders, last checked 2026-08-19. Look it up at the issuing agency.

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