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Rex Glendon Jr MaxwellLicensed

Licensed septic contractor based in Callahan County, TX

License details

License numberOS0000035, OS0010458
License typeOSSF Installer II · OSSF Site Evaluator
License statusCurrent, TCEQ OSSF licensing export (exported 2026-08-17)
License expiresNovember 30, 2028
Based inCallahan County, Texas

"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.
  • Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.

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 #OS0000035, OS0010458 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: Texas Commission on Environmental Quality (TCEQ) - OSSF occupational licensing, last checked 2026-08-17. Look it up at the issuing agency.

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Tovia P GrynewiczLicensed

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Brandon Chad LesterLicensed

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Justin EnglishLicensed

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See every listing based in Callahan County.