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Jason G ClarkLicensed

Licensed septic contractor based in Williamson County, TX

License details

License numberOS0010849, OS0022917
License typeOSSF Installer II ยท OSSF Site Evaluator
Credential (as the roster lists it)RS
License statusCurrent, TCEQ OSSF licensing export (exported 2026-08-17)
License expiresMay 31, 2029
Based inWilliamson 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 #OS0010849, OS0022917 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.

Other licensed septic contractors based in Williamson County

Josue I RabadanLicensed

Septic System Installation
Williamson County, TX · License #OS0036705

Casey Lawrence RodenbaughLicensed

Perc Test and Soil Evaluation
Williamson County, TX · License #OS0035310

Alan LemkeLicensed

Septic System Installation
Williamson County, TX · License #OS0040406

Chad C WinklerLicensed

Perc Test and Soil Evaluation
Williamson County, TX · License #OS0028982

Eric KasmireLicensed

Septic System Installation
Williamson County, TX · License #OS0040849

See every listing based in Williamson County.