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Michael J MurphyLicensed

Licensed septic contractor based in Williamson County, TX

License details

License numberMP0000435, OS0019861
License typeOSSF Installer II · OSSF Maintenance Provider
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

  • Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
  • Maintenance: licensed to service and maintain aerobic and other advanced treatment systems on an ongoing contract, including the periodic checks those systems require.

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 #MP0000435, OS0019861 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

Michael J HeeneyLicensed

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Jason G ClarkLicensed

Septic System Installation · Perc Test and Soil Evaluation
Williamson County, TX · License #OS0010849, OS0022917

Louis W Jr KnapekLicensed

Perc Test and Soil Evaluation
Williamson County, TX · License #OS0038112

Timothy W BobbittLicensed

Septic System Installation
Williamson County, TX · License #OS0035427

Gary W KovarLicensed

Septic System Installation
Williamson County, TX · License #OS0001670

See every listing based in Williamson County.