DDiscovering a rat infestation in your home can be unsettling. Rats not only destroy property but also pose significant health risks, spreading diseases such as hantavirus, leptospirosis, and salmonella. According to the latest 2024 reports, Houston has climbed to the 18th position on the “Rattiest Cities” list, reflecting a sharp rise in rodent activity fueled by urban expansion, warm climate, and construction projects. This guide provides effective DIY solutions to eliminate rats and prevent future infestations, tailored for Houston residents.

How Many Rats Signal an Infestation?

Even seeing a single rat in your home can indicate a larger issue. Rats are social creatures, and a single pair can produce up to 2,000 offspring annually under ideal conditions. Signs of an infestation include droppings, gnaw marks, scratching noises, and shredded nesting materials. Prompt action is vital to avoid escalation.

What to Do If Your House Is Infested with Rats

1. Inspect and Seal Entry Points
   Conduct a thorough inspection of your home’s exterior and interior. Look for gaps around doors, windows, vents, pipes, and the foundation. Seal these openings using steel wool, caulk, or wire mesh to prevent rats from entering.

2. Eliminate Food and Water Sources
   Store food in airtight containers, clean up crumbs and spills immediately, and fix plumbing leaks. Ensure trash cans have secure lids to cut off access to water and food.

3. Set Effective Traps
   Snap traps and live traps are among the most effective tools. Place traps along walls and in areas where you’ve noticed droppings or gnaw marks. Bait them with peanut butter or other high-protein foods for the best results.

4. Use Bait Stations Cautiously
   Tamper-resistant bait stations can help control populations, but use them responsibly, especially in homes with pets or children. Monitor bait stations regularly for effectiveness.

5. Clean and Sanitize Thoroughly
   Wear gloves and a mask to clean areas affected by rats. Disinfect surfaces thoroughly, as rat droppings and urine can carry harmful pathogens.