We are a proudly sponsor of the Fresno Grizzlies





Thank you for visiting CASTECH Pest Services online. With offices in Fresno, Madera, Oakhurst, Merced and Mariposa, we have proudly served California’s San Joaquin Valley since 1988.

CASTECH Pest Services specializes in comprehensive residential and commercial inspections and insect, rodent, bird and bat control.

Specialized Treatment Programs

Our licensed service technicians will prescribe a customized treatement program designed to create a pest-free sanctuary in your business, home or yard.


CASTECH Pest Services include:


  • Termite Control                                                      
  • Pest Control
  • Soil Pre-Treatment
  • Fumigation
  • Fumigation Alternatives

    5-Year Warranty

    CASTECH now offers Chemical-Free alternatives for your treatment needs. Please contact us for more details.