Guardian Mosquito & Pest Control

Licensed pest control companies in Texas use EPA-registered products applied according to label directions, which are safe when used properly. Most treatments require 2–4 hours of drying time before re-entry. Ask your technician about specific precautions for your household, especially for infants, pregnant women, and pets.

Key questions include: Are you licensed by the Texas Department of Agriculture? What is your TPCL number? What specific treatment do you recommend and why? What products will you use? Do you offer a guarantee or warranty? Are your technicians certified applicators? What preparation is needed on my part?

Most pest control companies offer re-treatment guarantees — if pests return between scheduled visits, they will re-treat at no additional charge. This is standard with ongoing service plans. For one-time treatments, ask about the warranty period. Persistent issues may indicate entry points that need sealing or environmental factors that need addressing.

TPCL stands for Texas Pest Control License, issued by the Texas Department of Agriculture (TDA). It is required for any business performing structural pest control in Texas. The license must be renewed annually and requires proof of insurance, a certified applicator on staff, and compliance with TDA regulations.

The TDA issues licenses with specific category codes: P (General Pest Control), T (Termite Treatment), L (Lawn & Landscape), W (Wildlife Removal), C (Crack & Crevice), S (Structural Fumigation), and D (Waste Disposal). Each category authorizes different types of pest management work.

General pest control (Category P) covers common household pests including cockroaches, ants, spiders, silverfish, earwigs, crickets, centipedes, and occasional invaders. Some companies include mosquito and flea treatments in their general service, while others offer these as add-ons.

Texas has three main termite types: Eastern subterranean termites (most common, found statewide), Formosan subterranean termites (aggressive species in Southeast Texas and coastal areas), and drywood termites (found in attics and furniture, mainly in South and Coastal Texas). Each requires different treatment approaches.

Texas has two medically significant spider species: the brown recluse (found statewide, especially in Central Texas) and the black widow (found throughout the state). Brown recluse bites can cause tissue necrosis, while black widow bites can cause muscle pain and systemic symptoms. Most other Texas spiders are harmless.

The most common Texas pests include fire ants, cockroaches (American and German), termites (subterranean and Formosan), mosquitoes, scorpions, spiders (brown recluse and black widow), wasps, rodents, bed bugs, and fleas/ticks. The warm climate and diverse geography create ideal conditions for a wide variety of pests year-round.

Heat treatment involves raising the temperature of an infested area to 130–145°F using industrial heaters. It is the most effective treatment for bed bugs and can also treat drywood termites in localized areas. The high temperature kills all life stages including eggs. No chemicals are used, and rooms can typically be re-occupied the same day.