Texas Septic Inspectors

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Septic inspectors, installers and maintenance providers in Cass County, TX

Independent directory. Names, license types and numbers come from the TCEQ licensing database (current OSSF licenses, downloaded Oct 28, 2026). The county is the one on each license holder's TCEQ record, not necessarily where they work. Phone numbers and cities appear only when the license holder authorized TCEQ to release business contact information. Verify the license with TCEQ before hiring.

12 TCEQ OSSF license holders list Cass County on their license record (6 Installer Is, 4 Installer IIs, 4 Site Evaluators, 3 Designated Representatives, 3 Maintenance Providers). 1 released a business phone number to TCEQ. This directory serves Cass County; no listing here means a business has an office in the county.

Who inspects septic systems in Cass County?

Septic permits and installation inspections in Cass County are handled by the local authorized agent. TCEQ's 2024 authorized-agent report lists these agents reporting in Cass County (some cover only a city or a lake area):

Find which one covers your address, plus phone numbers, with the TCEQ local contact search.

License holders

NameLicense (click to verify)CityPhoneSource
Britt Dwayne McdonaldInstaller I · OS0038133Bivins(903) 799-9311TCEQ record
Christopher J EverettInstaller I · OS0029698–Not releasedTCEQ record
William D FincherInstaller II · OS0028138–Not releasedTCEQ record
Robyn M GoodsonSite Evaluator · OS0033730
Designated Representative · OS0033194
–Not releasedTCEQ record
Kenneth T GriffinMaintenance Provider · MP0001820
Installer II · OS0030093
–Not releasedTCEQ record
Dallas HaleInstaller I · OS0036901–Not releasedTCEQ record
John M HathcockInstaller II · OS0008317
Site Evaluator · OS0018607
Maintenance Provider · MP0000407
–Not releasedTCEQ record
Mark Randal MathisInstaller I · OS0036909–Not releasedTCEQ record
Paul MurdockSite Evaluator · OS0040334
Designated Representative · OS0039793
Installer I · OS0039552
–Not releasedTCEQ record
Larry NeeleyInstaller I · OS0038982–Not releasedTCEQ record
Michael S ParvinoDesignated Representative · OS0039474–Not releasedTCEQ record
John TromzaMaintenance Provider · MP0002806
Installer II · OS0039811
Site Evaluator · OS0041637
–Not releasedTCEQ record

Source: TCEQ Licensing & Registration database, group search for On-Site Sewage Facility licenses (current status), and the TCEQ License Holder Spreadsheet for released contact details. Last checked Oct 28, 2026. Apprentices and maintenance technicians are not listed because they work under a licensed installer or maintenance provider.

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