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San Francisco Bay and East Bay Area
Rodent Exterminators
Expert Rodent Exterminators in Alameda, Contra Costa, San Mateo, San Francisco, & Santa Clara Counties
Banner Pest Services provides rodent control in San Francisco Bay and East Bay Area, San Mateo, San Francisco, and Santa Clara Counties for rats and mice. Our experienced technicians are equipped to deal with even the most challenging infestations. You can count on us to find the rodents, get rid of them, and prevent new rodents from accessing your home.
$100 off your first service
for any recurring service!
Identifying Your Rodent Problem
Rodents try to get inside in search of food and shelter or to escape bad weather. They can enter your home through small holes or cracks. Once inside, they breed rapidly and an infestation can happen in just a few weeks. There are several types of rodents that are common in our area and we offer reliable rodent control for all of them.
Our rodent control specialists can help you get rid of:
- House Mice - These are the smallest rodents and usually have gray fur on their bodies and brown belly fur.
- Roof Rats - The roof rat has dark brown or black fur and gets up to 16 inches in length. They are great climbers and often get in through the roof, which is how the roof rat gets its name.
- Norway Rats - The Norway rat is the most common type of rat in the United States. They have gray and black hair and can reach up to 17 inches long when fully grown.
We have extensive knowledge of rodent behavior to provide a fast and reliable solution to your rodent problem. Our technicians will find where they are getting in, their nesting sites, remove the rodents, and provide tips for avoiding future problems with mice or rats.
Our Rodent Exterminators' Process
Many people underestimate the potential dangers of rodent infestations. Rodents can carry diseases and contaminate food when they get into boxes and containers. In addition, rodents have teeth that never stop growing, so they are constantly chewing. They will chew through food containers, drywall, the wood in the structure of your house, electrical wires, plumbing pipes, and anything else they come in contact with. This can result in significant property damage, especially if they get at the plumbing lines or electrical wires.
Due to the dangers of rodents, it is important to act as soon as you know you have a problem. We offer fast and reliable rodent control in San Francisco Bay and East Bay Area to get the rodents out of your house and stop new ones from getting inside. We are equipped to handle anything from a few mice to a large rodent infestation.
If you are having trouble with mice or rats, call (650) 910-1561 or fill out our online contact form to get your rodent problem under control.
Rodent exterminators keeping pests away from Your Home
Our San Francisco Bay and East Bay Area rodent exterminators are effective at removing mice and rats from your property, but you will need to also consider how to prevent future incursions. For a long-term solution, you will need to deal with the ways rodents are getting inside and what may be attracting them. Fortunately, you can make your property less attractive to rodents.
The best things you can do to keep rodents out include:
- Keeping the house clean and wiping up spills right away
- Storing food in containers with lids
- Taking out the trash right away
- Using garbage cans with tight lids
- Cutting trees back from the house
- Removing debris from the yard
- Closing any holes or gaps in the house
When you call Banner Pest Services for rodent control, you can expect prompt and friendly service. We show up when we say we will and handle your rodent problem quickly and efficiently. Our technicians are happy to answer your questions and provide a free estimate for rodent control.
Got more questions about mice, rats, and any other homewrecking rodent? Check our FAQ below or check out our blog to learn more!
Rodent Control
Rat & Mouse Questions
How rodents are getting in, why they're dangerous, and what real rodent removal looks like in the Bay Area.
Three species cause virtually all Bay Area home infestations. House mice are the smallest — about 3" long, gray with a lighter belly, and squeeze through openings the size of a dime. Roof rats are sleek, dark, and excellent climbers; they prefer attics, garages, and trees, and are especially common in older Bay Area neighborhoods with mature landscaping. Norway rats are larger, ground-dwelling, and burrow in yards, woodpiles, and crawl spaces. Each species leaves different signs, and the right approach depends on which you've got.
A few quick tells: droppings size — rat droppings are the size of a grain of rice or larger; mouse droppings are like coarse-ground pepper. Sounds — rats are heavier and you'll hear actual thuds and scratching, while mice sound like quick, light skittering. Damage — rats chew bigger, rougher holes (quarter-sized or larger); mice make clean, dime-sized ones. If you're not sure, send us a photo of the droppings and we can usually identify the species in seconds.
Mice can fit through a gap the size of a dime (¼"); rats can fit through a gap the size of a quarter (½"). The usual entry points are around utility line penetrations (cable, gas, water), garage door gaps, dryer vents, roof-line gaps where soffits meet siding, foundation cracks, and crawl space vents with damaged screens. Roof rats especially use overhanging tree branches as bridges onto the roof. The inspection finds and documents every gap so we can close them properly.
Yes — beyond the "ick" factor, rodents create real risks. They carry diseases including Salmonella, hantavirus (deer mice are the primary carrier in California), and leptospirosis, and they contaminate food and surfaces with droppings and urine. Even bigger for most Bay Area homeowners: rodent teeth never stop growing, so they chew constantly — electrical wires (a documented cause of house fires), plumbing pipes, drywall, and structural framing. A rodent in the attic is a genuine fire risk if left long enough.
Three reasons. First, rodents are trap-shy — they detect human scent, new objects, and stress pheromones from previously caught rodents, so after a few catches the survivors avoid the traps. Second, populations breed faster than DIY trapping can eliminate them — a single female mouse produces up to 10 litters per year. Third, store-bought rodenticides don't address the real problem: how they're getting in. The animals get replaced from outside within days. Professional rodent work combines trapping and sealing entry points so it doesn't repeat.
We default to trap-based programs wherever possible — especially in homes with pets, children, or active wildlife. (Bay Area raptors, owls, and bobcats can be poisoned secondhand by eating poisoned rats, which is why California has tightened rodenticide laws.) When bait is needed for severe exterior infestations, we use locked, tamper-resistant bait stations placed outside, away from children and non-target animals. Your technician will walk you through the specific approach before anything is placed.
This is the most common downside of poison-only DIY treatments — and a good reason we lean on traps. With a trap-based program, dead rodents are removed from inside the home during each service visit, not left to decompose in the walls. If a rodent does pass somewhere inaccessible, the smell typically dissipates within 1–3 weeks as the body dries out — but proper trapping reduces this risk dramatically compared to throwing bait into the attic and walking away.
Yes — and this is the part that actually keeps rodents out long-term. Removing rodents without sealing entry points is like emptying the bathtub with the faucet on. During inspection we identify and document every gap, then seal them with proper rodent-proof materials like steel mesh, hardware cloth, and sealants — not spray foam alone, which mice chew through in days. Exclusion work is what turns rodent service from "kill the current ones" into "they can't come back."
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