A rat is a general term, but in California, there are a couple of specific types of rats that homeowners should be aware of. The two most common species in California, and especially in Southern California, are the Norway rat and the Black rat (also called Roof rats). Understanding the differences between these different types of rats in Southern California is crucial for effective rat control.
5 Key Types of Rats in California
- Norway Rat (Brown Rat, Wharf Rat)
- Size: Larger than the Black rat
- Color: Grey or brown with a pale underbelly
- Habitat: Found mostly at ground level, often in outdoor areas like gardens, basements, and sewers.
- Tail: Short, around 7 inches
- Behavior: Norway rats prefer dark, damp areas and are excellent burrowers.
- Black Rat (Roof Rat)
- Size: Smaller and more agile than the Norway rat
- Color: Dark brown with a greyish hue
- Habitat: Prefers higher areas, often found in attics, roofs, and trees
- Tail: Long, can exceed the length of the body
- Behavior: Excellent climbers, making them more challenging to control in elevated spaces.
- Sewer Rat
- A colloquial name often used for Norway rats that are commonly found in sewers and drainage systems.
- Ship Rat
- Another name for the Black rat, so-called because it tended to infest ships historically.
- Brown Rat
- Just another name for the Norway rat in many regions.
These types of rats in California are most commonly seen in urban and suburban areas, especially in places like Simi Valley, CA, where food and shelter are abundant.
4 Dangers of Rats in California
Rats, whether they’re Black rats, Norway rats, or other types of California rats, carry a significant health risk. Here are just a few of the dangers they pose:
- Diseases: Rats can transmit diseases such as leptospirosis, Salmonella, and rat-bite fever.
- Parasites: Rats carry fleas, which historically spread the bubonic plague.
- Damage to Property: Rats gnaw on wires, insulation, and furniture, potentially causing costly damage.
- Food Contamination: Rats will eat whatever they can find, and their droppings can contaminate your food sources.
Steps to Keep Rats Away From Your Simi Valley Home
Preventing a rat infestation starts with rat control strategies that limit access and discourage nesting. Here’s how you can protect your home in Simi Valley, CA, from Southern California rats:
- Seal Entry Points
Rats can squeeze through small holes and gaps. Use steel wool, caulking, or hardware cloth to seal openings around pipes, vents, and doors. Make sure to check your attic and basement regularly, especially if you live in areas prone to Black rats. - Trim Trees and Bushes
Since Black rats are excellent climbers, make sure tree branches and shrubs are trimmed back several feet from your home. This prevents rats from jumping onto your roof or entering through vents. - Remove Garbage and Pet Food
Rats are attracted to food sources. Keep garbage bins tightly sealed, and never leave pet food out overnight. Clean up crumbs and spills immediately to prevent attracting rodents. - Professional Pest Control Services
If you’ve spotted rats in your home or property, it’s time to call an expert. Pest control Simi Valley specialists in Simi Valley, such as Facility Pest Control, provide effective extermination services to remove rats and implement long-term prevention strategies.
5 Effective Rat Control Methods in Simi Valley
When it comes to dealing with rats, it’s important to act fast. Here are the most effective ways to remove rats from your Simi Valley property:
- Trapping: Traditional snap traps or live traps can be useful, but they may not address the full extent of an infestation.
- Baiting: Rodenticides can be effective, but caution is required, especially if pets or children are present.
- Exclusion: Ensuring rats cannot enter your home is the most effective prevention. This includes sealing holes and maintaining a clean property.
- Professional Extermination: For larger infestations, exterminator Simi Valley professionals will provide a comprehensive treatment plan, from removal to prevention.

Why Choose Facility Pest Control for Rat Control in Simi Valley?
At Facility Pest Control, we specialize in rat control and exterminator services in Simi Valley, CA. Our team is well-versed in handling both Norway rats and Black rats, ensuring quick and effective removal. Plus, we offer a 30-day guarantee on our services to ensure your peace of mind.
For fast, reliable, and eco-friendly pest control services, contact us today to schedule your inspection and begin ridding your home of unwanted rats.
People Also Ask
Q: What types of rats are found in California?
A: In California, the most common rats are the Norway rat and Black rat (Roof rat). These rats are found throughout the state, including Simi Valley.
Q: How can I prevent rats from entering my home in Simi Valley?
A: To prevent rats, seal entry points around your home, trim trees and bushes that are close to your house, and keep your environment clean by removing garbage and food sources.
Q: Are rats dangerous in California?
A: Yes, rats in California, especially Norway and Black rats, can spread diseases, damage property, and contaminate food. They pose significant health risks.
Q: Can a pest control Simi Valley company help with rat infestations?
A: Yes, pest control Simi Valley CA companies offer specialized rat control services. They provide inspection, removal, and preventive solutions to ensure rats don’t return.
Q: What is the best way to get rid of rats in my home?
A: The most effective way to eliminate rats is to contact a professional exterminator in Simi Valley. They will create a customized plan that includes removal, exclusion, and preventive measures.



