Southern California, with its lush landscapes and temperate climate, offers an idyllic lifestyle for many – and unfortunately, for one particularly persistent pest: the roof rat. As professionals in pest management, we have spent decades understanding the intricate behaviors of these elusive rodents, and we can tell you unequivocally that addressing a roof rat problem requires a strategic, multi-faceted approach. There’s no magic bullet; only diligent, informed action.

What is a Roof Rat

Roof rats, scientifically known as Rattus rattus, are agile climbers, often characterized by their sleek bodies, pointed muzzles, and tails longer than their head and body combined. Unlike their ground-dwelling Norway rat cousins, roof rats prefer the elevated spaces of our homes and yards – attics, rafters, dense vegetation, and, of course, the roofline itself. They are nocturnal, a trait that often allows an infestation to grow significantly before homeowners even realize the extent of the problem. That tell-tale scampering in the attic late at night is frequently the first clue.

Dangers of a Roof Rat Infestation

Beyond the disturbing sounds, the presence of roof rats carries tangible risks. These rodents are notorious for gnawing on electrical wiring, which presents a significant fire hazard. They contaminate insulation with their urine and droppings, rendering it ineffective and then needing costly replacement. Furthermore, they are carriers of various diseases, including leptospirosis, salmonellosis, and murine typhus, which can be transmitted to humans and pets. They can also introduce fleas, ticks, and mites into your living space, creating a secondary pest issue.

How to Get Rid of Roof Rats

Effective roof rat management begins with understanding their needs: food, water, and shelter. Southern California’s abundant fruit trees, dense foliage, and accessible water sources provide a veritable buffet and ideal harborage. Therefore, the first line of defense is habitat modification. This isn’t about eradicating every plant in your yard, but rather strategically managing it. Keep tree branches pruned at least three to four feet away from your roofline and any structures. Remove dense ivy, overgrown shrubs, and brush piles that offer cover and pathways. If you have fruit or nut trees, ensure fallen produce is picked up regularly. Pet food should never be left outside overnight, and garbage bins must have tight-fitting, secure lids. Even a small drip from an outdoor faucet can be an attractive water source, so address any leaks promptly.

The next critical step is exclusion, or “rat-proofing” your home. Roof rats can squeeze through incredibly small openings – as little as a half-inch gap. A thorough inspection of your home’s exterior is very important. Look for any cracks or holes in foundations, around utility lines, and where pipes enter the structure. Vents, especially those leading to attics or crawl spaces, should be screened with quarter-inch hardware cloth. Ensure all doors and windows fit tightly, and consider installing door sweeps. Pay particular attention to the roof itself: inspect for damaged eaves, loose tiles, or gaps where the roof meets the wall. Sealing these entry points with durable materials like steel wool, concrete, or metal mesh is essential, as roof rats can chew through plastic, wood, and even some caulks.

Once the exterior is secured, addressing any existing rats inside is the next phase. While snap traps can be effective for smaller, early infestations, they require careful placement and consistent monitoring. Rats exhibit neophobia, a wariness of new objects, so it may take time for them to approach and interact with traps. For significant infestations, or if you’re uncomfortable dealing with trapped rodents, a Craig & Sons treatment strategy is highly recommended. We utilize a combination of advanced trapping techniques and, when absolutely necessary, targeted baiting programs, always prioritizing the protection of your family and pets. Any rodenticides used are placed in tamper-resistant bait stations, out of reach of non-target animals, and with careful consideration of potential secondary poisoning risks.

Pest Control Inspections

Finally, long-term success against roof rats in Southern California hinges on a commitment to ongoing vigilance. Regular inspections, both by the homeowner and a pest management professional, are vital to detect new activity early. Maintaining a clean, well-manicured yard and a sealed home provides the best defense against these adaptable and pervasive pests. It’s an ongoing partnership between homeowner and expert, ensuring your Southern California haven remains free from the unwelcome presence of roof rats.

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Mice and rats are more than just a nuisance in the Inland Empire; their presence in homes and businesses poses significant health risks. Rodent infestations can lead to the spread of various diseases, contaminate food and surfaces, and trigger allergies and asthma. Understanding these dangers is crucial for protecting yourself, your family, and your customers.

Disease Transmission: A Major Concern

Rodents are known carriers of numerous pathogens, including bacteria, viruses, and parasites. These pathogens can be transmitted to humans through several routes:

• Contaminated Food and Water: Rodents often contaminate food and water sources with their urine, feces, and saliva. This can lead to the spread of diseases like salmonellosis (food poisoning), leptospirosis (bacterial infection), and hantavirus pulmonary syndrome (HPS).
• Direct Contact: Handling rodents, their droppings, or nesting materials can also lead to infection. This is particularly relevant for diseases like rat-bite fever and tularemia.
• Airborne Transmission: Dust contaminated with rodent excrement can become airborne, allowing pathogens to be inhaled. This is the primary mode of transmission for hantavirus.
• Vector Transmission: Rodents can also carry fleas, ticks, and mites, which can transmit diseases like Lyme disease, murine typhus, and rickettsialpox.

Specific Health Risks

Here are some of the key health risks associated with rodent infestations:

• Hantavirus Pulmonary Syndrome (HPS): This severe respiratory illness is caused by hantaviruses, which are found in rodent urine, droppings, and saliva. Inhalation of contaminated dust is the primary mode of transmission. HPS can cause flu-like symptoms initially, progressing to severe respiratory distress and potentially death.
• Leptospirosis: This bacterial infection is spread through contact with water or soil contaminated with rodent urine. Symptoms can range from mild flu-like illness to severe kidney and liver damage.
• Salmonellosis: This common bacterial infection causes gastrointestinal distress, including diarrhea, vomiting, and fever. It’s often contracted through consuming food contaminated with rodent feces.
• Rat-Bite Fever: This bacterial infection can be transmitted through bites or scratches from infected rats or through consuming food or water contaminated with rodent excrement. Symptoms include fever, rash, muscle pain, and joint pain.
• Lymphocytic Choriomeningitis (LCM): This viral infection is carried by house mice and can be transmitted through contact with their urine, droppings, saliva, or nesting materials. LCM can cause flu-like symptoms, neurological complications, and even meningitis.
• Plague: While less common in modern times, rodents can carry fleas that transmit the bacteria responsible for plague.
• Allergies and Asthma: Rodent droppings, urine, and shed fur contain allergens that can trigger allergic reactions and asthma attacks in susceptible individuals. This can lead to respiratory problems, skin rashes, and eye irritation.

Risks of Rodent Infestation in Businesses

For businesses, especially those in the food service industry, rodent infestations can have devastating consequences. Contamination of food products can lead to product recalls, fines, and damage to reputation. Rodent droppings and gnaw marks on packaging can deter customers and lead to loss of business.

Prevention and Control:

The best way to mitigate these health risks is to prevent rodent infestations in the first place. Here are some key prevention strategies:

• Seal Entry Points: Seal any cracks, gaps, or holes in foundations, walls, windows, and doors.
• Maintain Cleanliness: Keep food preparation areas clean, store food in airtight containers, and dispose of garbage regularly.
• Proper Food Storage: Store pet food and other potential food sources in sealed containers.
• Landscaping Practices: Keep vegetation trimmed away from buildings and remove debris that could provide harborage for rodents.
• Professional Pest Control: If you suspect a rodent infestation, it’s crucial to contact a qualified pest control professional. They can assess the situation, identify the rodent species, and implement effective control measures.

Protecting Your Health:

Rodent infestations pose serious health risks that should not be ignored. By understanding these dangers and taking proactive prevention measures, you can protect yourself, your family, and your business from the potential consequences of rodent-borne diseases. Call Craig & Sons to schedule a free inspection of your home or office. Early intervention is key to preventing serious health issues.

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There is a wide variety of mice, rats, and other rodents that call the Inland Empire home. Riverside and San Bernardino counties share the same types of environment including arid land, hills, and plenty of open space where rodents find room to live.

Here is list of the rodents in the Inland Empire and some general tips on how to keep some unwanted pests out of your property.

Common Species of Mice

The mice you’ll find in your home aren’t quite the same as Mickey who lives in Orange County. There are a few mouse species that will be found in our area. In most cases, they are seeking food, water, or a safe place to make a home. Species such as Bailey’s pocket mouse or the California pocket mouse are very common. They are related and have a few cousins as well.

All of them have the ability to stuff large amounts of food in their cheeks. They eat mainly seeds or grains but won’t be too picky if they find human food accessible. Strangely, these particular mice can be helpful to the environment because they distribute seeds from a variety of plants into new areas and help increase plant populations. They are all brown and can breed very quickly. These are nocturnal mice so you are very unlikely to see then scurrying during the day.

Common Species of Rats

Multiple rat species all Riverside and San Bernardino counties home. But they vary greatly. Some are the ugly, common brown rat (also called a Norway rat) with long snout and tail, while others are often mistaken for mice because they are so small and similar in shape.

One particular rat known to Inland Empire residents is the kangaroo rat, specifically the giant kangaroo rat. This species is endangered at the state and federal level.

The word “giant” is misleading. It is the largest of all 20 kangaroo rat species, but it grows no more than six inches in length. They live in ground burrows and are extremely social. They communicate with other members of their colony by drumming their feet on the ground in specific patterns. It is highly unlikely that you will encounter these rodents.

A Norway rat (brown rat or sewer rat) is far more common and likely to be what you find. They love to inhabit the same area as people.  These rats will make a home near trash cans or trash piles, along with areas of stacked wood. They can be six to 11 inches long and are very recognizable rodents.

If you don’t see them, you may hear them. They make a noticeable chirping sound. They don’t climb well so expect to see them or their droppings in areas along the ground, indoors or outdoors.

Gophers in the Inland Empire

If you see a gopher in the Inland Empire, it is likely to be a Botta’s pocket gopher. They are extremely common and can make burrows throughout a huge area of land within a matter of days. They are a neutral shade of brown like most desert-dwelling rodent species. The only environments they don’t enjoy are rivers and rocky areas.

Their diet consists entirely of plant matter including grasses and roots. This makes them a common destroyer of lawns, flower gardens, and produce gardens. They will spend approximately 90% of their lives in their burrows. We have very specific tools and treatment methods for gopher control so if you have any destroying your property, give us a call for a fast solution.

Common Squirrels

Anyone who has lived in the Inland Empire has seen squirrels. Parks, neighborhoods, and outdoor trail areas offer a wide variety of home options for squirrel species found in California. They come in a variety of shades of grey and live in and around trees.

As you may know, their diet consists of seeds, nuts, insects, and even eggs. But they will chew on many other things including electrical cables, crops, and even the wood of a building wall. Because they can be destructive and carry diseases such as rabies, they are not a good species to keep around a home.

Have a Rodent Problem?

If you suspect rodents are invading your home or office property, give us a call at 909-335-1486 or 951-530-1653 for a complimentary inspection. One of our expert technicians and take a look at your property, identify the pest, and give you a recommendation for treatment methods.

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Think you have a pest problem? It is fairly easy to determine if mice, rats, or bats are inhabiting your home; their droppings and the noise will indicate if your home is infested. Take care of the issue swiftly and effectively with a pest control professional to prevent the property and health damage that an infestation can cause. 

Mice

If you spot a mouse in your home, you may already have an infestation. Mice carry diseases as well as fleas and ticks; their urine and droppings can cause respiratory illness with prolonged exposure. If you suspect you have a mouse (or more) in your house, don’t delay calling an exterminator- mice can reproduce very quickly!  

The best ways to prevent a mouse sighting from becoming an infestation are:

• Clean your home thoroughly. Get rid of any food, trash, or debris that could be attracting mice.
• Seal cracks around windows and doors. Use caulking or wads of steel wool to deter mice from gaining entry.
• Pick up and cover your pets’ food dishes at night. Prevent your pet food from becoming a food source for pests.

Talk to your exterminator about the most humane way to rid your home of mice quickly.

Rats

There are a few stages to successful rat removal: inspect, seal, trap, and listen. The key to getting rid of rats is to first seal any and all points of entry and trap later-on. There is no point in wasted efforts trapping rats when you leave holes and gaps for them to continue to enter the home.

Don’t believe the hype about holistic tactics like mothballs or ammonia getting rid of rats; seal your cracks, crevices, and call an exterminator.

Other Rodents

There are a lot more rodents to be concerned with than mice and rats; the rodent family includes other gnawing mammals that can easily gain access, infiltrate, and infest your home and yard this summer. Some rodents to watch for include:

• Squirrels
• Porcupines
• Voles
• Gophers
• Beavers

Even if these rodents don’t gain access inside your home, they can wreak havoc outside gnawing, chewing, and digging around your property. Call a professional exterminator for help.

Bats

Brown bats are quite common in homes across the nation. They are typically found in barns or attics, as they nest where it is dark and sheltered. Bats live in colonies of 20 to several hundred, so if you see one in your attic or crawlspace, you could have a lot more. Bats can carry rabies and may attack when under stress, so don’t try to remove bats without the assistance of a pest control professional.

Keeping bats out of the home is easier than getting rid of them:

• Seal up any cracks or gaps. Openings could provide entry to bats. Use caulking to seal up anything bigger than a half-inch.
• Screen in your pool and outdoor living area. Outdoor structures could also provide refuge for bats.
• Rid your attic of bats. If you notice bats taking up residence on your porches or decks, it could indicate that they are also inside the home. . If you remove the ones indoors, the ones outside will move on.
• Trap bats during the day. Bats are most active at night. During the daytime, they are often hanging around sleeping; this is key when trapping bats.

Remember that time is of the essence when it comes to pests. The faster you call an exterminator or wildlife removal expert and address the issue, the less likely there will be a full-blown infestation.

Seeing the signs of rodents or bats? Call the pest control specialists at Craig & Sons Termite & Pest Control, Inc to prevent pest problems fast. An infestation can occur quickly; call the pest professionals today.

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Having your home become infested with rats is probably one of your worst nightmares. But for many homeowners, this dream does one day become a reality. The key to handling a rat infestation is to notice it quickly and take actions to get rid of the rodents right away. After all—in a year just one pair of rats can have up to 2,000 offspring!

To make sure these critters don’t overrun your home, take a look at these common signs of a rat infestation, the risks rats present, and how to get rid of them effectively.

Signs of a Rat Infestation

Many of the early signs of a rat infestation are easily ignored, so be on the lookout for these telltale indications.

Scratching Noises                                                                                                         

If you wake up in the middle of the night to the sound of scratching within the walls or in the attic, rats may be to blame. Rats are excellent at climbing and jumping, so they can make their way into crawl spaces and wall cavities.

Feces and Nests                       

Rat feces look like large, brown grains of rice. You may see them in areas such as your attic, along baseboards and in crawlspaces. You may also find piles of shredded material, such as insulation and cardboard, in these areas. These are rats’ nests.

Footprints

Look for footprints especially after it has been wet and rainy outside. The rats’ feet may be muddy, causing them to leave behind scratch-like footprints on hard floors.

Actual Rats

If you see one rat, take its presence seriously since chances are there are a lot more. There are two types of rats found throughout the United States. Black rats are named for their dark, glossy fur.

Norway rats are smaller with brown coats. Some people mistake these rats for mice, but Norway rats have larger feet and ears, blunter noses and longer tails than mice.

Risks Presented By Rats

Rats are more than just a minor annoyance, and they actually present a number of risks to your family. Rat urine can be contaminated with Leptospira bacteria, which can cause Leptospirosis, a condition marked by meningitis, kidney failure and respiratory distress. Many people are allergic to rat dander and droppings and rats also carry fleas, which may be passed on to the family pet. 

Rats can also chew wires, leading to house fires, and rats can cause extensive damage to insulation and drywall. If you catch a rat infestation early, you mitigate your risk of these and other problems.

Getting Rid of Rats

Though some homeowners are successful in getting rid of rats on their own, the safest thing to do when you suspect a rat infestation is to call a pest control professional. This prevents you and your family members from having to come into contact with the potentially contaminated feces and the animals themselves.

Our pest control experts will employ a range of methods to rid your home of rats and keep them from coming back.

Plugging Entryways

One of the first things your pest control company will do is identify holes through which the rats may be entering your home. Plugging these holes keeps additional rats from entering. 

Sealing Leaks

Rats are attracted to food and they also need water to thrive. Sealing any leaking pipes, draining any moisture from the basement, and unclogging blocked drains helps make your home less appealing to rats.

Bait                                      

Our exterminator may set traps with rat bait, which the rats will consume and take back to their nest. Several days later, the rats will die and then we will remove their bodies.

If you see a rat’s footprints, droppings or the rat itself, you can assume the rat is not alone. One rat can quickly turn into hundreds, and it’s just not worth the risk to delay treatment. The experts at Craig & Sons Termite & Pest Control, Inc., can inspect and rid your home of rodents.

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