Protect Your
Harvest
From
Farm to Table.
Castech Ag is the Valley’s premier commercial pest service — guaranteed to meet all your pest control needs with discreet, professional, and effective solutions.
1988
CA
USDA
Compliant
Tree Nut Specialists
Almonds, walnuts & more
Organic Certified
USDA-compliant solutions
Data-Driven
Monitoring & verification
Food Processing
Facility specialists
Since 1988
Trusted for 35+ years
Commercial & Industrial
Are Your Crops and Commodities
At Risk?
CASTECH Ag is the company to call for specialized agricultural pest management! You can trust Castech Ag to protect your agricultural investment and keep your operations running smoothly.
As a leading agricultural pest control service in California’s Central Valley, we’ve been protecting farms, processing facilities, and commodity storage operations since 1988!
We’re more than just pest control — we’re your agricultural protection partner. Unlike fragmented services, we provide comprehensive solutions in which pest management, and regulatory compliance work together seamlessly.
What We Offer
Agricultural Services
Built for California
Commodity Protection
Expert services for stored commodities including tree nuts, grains, and dried goods. We protect your inventory at every stage — from harvest through storage and shipping.
Food Processing Protection
Licensed humane trappers for wildlife — rodents, birds, bats, and more. Full exclusion, baiting, and ongoing monitoring programs.
Organic Certification Support
Maintain your organic certification with USDA-compliant pest management solutions. Our programs protect your crops while keeping your organic status fully intact.
Data-Driven Verification
Intelligence-gathering tools and 24/7 monitoring systems ensure optimal results and provide documentation for compliance, certifications, and continuous improvement programs.
Our Technology
Types of Establishments We Service
Our Expertise
Certified Specialists
Commercial & Agricultural
Quality Workmanship
30+ Years Experience
USDA Compliant Methods
What We Offer
Wide Variety of Services
Insured and Bonded
Onsite Inspections
Risk-Based Strategic Plans
24/7 Monitoring Systems
Why Choose Us
Specialized Agricultural Team
Tree Nut Specialists
Organic Solutions Available
Data-Driven Verification
Continuous Improvement
We Understand Your
Operation.
As a family-owned and operated business, we understand each situation is unique. We take the time to conduct thorough on-site inspections, diagnose issues, and provide customized solutions and estimates based on our extensive experience.
We provide affordable, efficient, and effective pest control services tailored to the unique challenges of agricultural operations — whether you have a large-scale operation or simply want to protect your commodity storage.
Harvest-to-Storage Protection
We protect your investment at every stage from the field through processing and storage.
On-Site Inspection & Custom Plans
Every engagement starts with a thorough site visit, risk assessment, and a tailored pest management strategy.
Compliance & Documentation
Complete regulatory documentation for organic certifications, food safety audits, and USDA compliance reviews.
State Licensed & Fully Insured
License #PR3383 · Bonded & Certified