Rat Control RELIABLE PEST CONTROL YOU CAN COUNT ON IN THE DENVER Metro AREA

Rat Control in Denver

Species-Specific Rat Control for Denver Metro Homes & Businesses

Absolute Pest Control has served the Denver Metro area since 1986. Family-owned and led by Linda Holmes, Parker Holmes, and Scott Harris across two generations, we provide rat control for both residential and commercial clients. Our approach starts with identifying which species is actually present, Norway rats or roof rats, then builds a treatment plan around that specific biology rather than a generic rodent protocol.

Denver ranked 10th on Orkin’s 2025 Rattiest Cities list, the first time the city has appeared in the top ten. That reflects what our technicians see in the field: rat pressure here is real, and it’s growing.

Call us at (720) 790-3303 to schedule an on-site inspection and get a treatment plan designed for your property.

Why Denver-Area Rats Are Difficult to Control

Colorado’s freeze-thaw cycles work against homeowners. Repeated expansion and contraction open micro-gaps in foundations and building materials that rats exploit to move indoors, and a rat can squeeze through a gap roughly the size of a quarter. Most entries occur between October and February, when rodents are searching for food, water, and shelter from the cold.

Knowing which species you’re dealing with changes the strategy. Roof rats are climbers that access homes from above, through rooflines, vents, and overhanging branches. Norway rats stay low, burrowing along foundations and entering through ground-level gaps. Misidentifying the species means treating the wrong entry points.

Common signs of an active infestation include droppings, gnaw marks, grease or rub marks along baseboards, and scratching sounds inside walls or attics at night. If you notice any of these, rat activity is likely already established.

Our Rat Control Process in Denver

Every service starts with a comprehensive on-site inspection. We identify active rat activity, map entry points, and assess the conditions contributing to the problem. From that inspection, we build a targeted treatment plan rather than pulling from a generic price list.

Our approach follows Integrated Pest Management (IPM) principles, combining habitat modification, entry-point sealing, and targeted product application rather than routine broad-spectrum treatments. IPM reduces unnecessary chemical use while addressing the conditions that allow rats to establish themselves on a property. Seasonal follow-up visits are built into the plan to account for Colorado’s shifting rodent activity patterns.

Training & Industry Standards Behind Our Work

Our licensed technicians are trained specifically for Colorado’s climate and ecosystem. That matters because seasonal rat behavior here differs from what national protocols are built around. Absolute Pest Control is a member of the National Pest Management Association and is actively involved in the Colorado Pest Control Association, the state’s leading pest management organization. Both affiliations reflect a commitment to current industry standards.

We invest in our employees and maintain a stable team. That stability benefits clients directly: the same technicians build familiarity with your property over time, which supports both identification and follow-up accuracy.

Rat Biology: What Makes Them Hard to Keep Out

Rats range from about 12 to more than 20 inches in length from nose to tail, depending on species and age, and come in shades of brown and gray. Despite their size, they’re built for concealment and can flatten themselves to fit through surprisingly small openings.

They depend heavily on human environments for food and water. Leftovers, unsecured trash, leaky pipes, dripping water heaters, and outdoor birdbaths all draw rats close to structures. Once they establish a feeding and watering route, they travel it repeatedly, which is why grease trails and rub marks appear in consistent locations along walls and baseboards.

Rats are primarily nocturnal, but a large or stressed population may become active during daylight hours when food is scarce or competition is high. Daytime sightings are often a signal that rat activity is well established.

Health Risks & Property Damage From Rat Infestations

Rats are known carriers of illnesses including leptospirosis, salmonellosis, and typhus. Droppings and urine can contaminate food-preparation surfaces, and cleanup requires care to avoid exposure. Rats can also introduce fleas into a home, adding a secondary pest problem that complicates treatment.

Structural damage is the other major concern. Rats chew through electrical wiring, pipes, and insulation. Rodent damage to wiring is a recognized contributing factor in some household fires, and pipe damage can cause water intrusion that goes undetected until it becomes a larger repair.

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Hear From Our Happy Customers

A Reputation Built on Consistency

Absolute Pest Control maintains strong ratings across multiple review platforms and holds industry accreditations that recognize our professionalism. Many clients have relied on our services for years. That kind of long-term relationship isn’t accidental: it reflects what happens when a team stays stable, follows through on seasonal visits, and treats each property as its own situation rather than a recurring ticket.

Most of our growth has come through referrals. When clients recommend us to neighbors dealing with rat problems, it’s because the service has held up over time, not just on the first visit.

"Very Knowledgeable!"
No issues scheduling and proactive when had to reschedule due to snow. Very knowledgeable and great at troubleshooting.

- David S.
"My Go-To!"
They are friendly, knowledgeable and the service they provide keeps the creepy crawlers away. Absolute Pest Control is my Go-To Pest Company!!

- Sheri H.
"Extremely Professional!"
The technician who responded to our home, was polite, professional, and knowledgeable.

- Brian S.
"The Best!"
We have used Absolute Pest Control in Parker for over 27 years for both our commercial properties and our residence.

- David F.
"Highly Recommend!"
They are knowledgeable, responsive and informative. I recommend them to others frequently!

- Sue R.
"Great Quality Service!"
We have used Absolute Pest for nearly 2 decades and the quality of service continues to be high.

- Sharon L.
"Great Customer Service!"
Been using Absolute for years and my tech Kyle is always friendly, informative, and just an all around nice guy.

- John B.
"The Best!"
The employees are always friendly and competent. My agent today was super. I really like his friendly manner.

- Susan A.

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Serving the Denver Metro Area, Including Aurora & Parker

Absolute Pest Control serves the Denver Metro area, including Aurora and Parker. Our technicians have worked in this region for decades and understand how Colorado’s seasonal patterns affect rat activity differently here than in other parts of the country. That local knowledge shapes how we inspect, where we look for entry points, and how we time follow-up visits.

Schedule Your Inspection. No Long-Term Contract Required.

We don’t require long-term service contracts. You get a treatment plan built for your property, with the flexibility to adjust services as conditions change and no penalties for doing so.

To get started, call Absolute Pest Control at (720) 790-3303. We can schedule an on-site inspection and walk you through what we find.

Between-Visit Rat Prevention for Colorado Homeowners

Professional treatment works better when conditions around your property aren’t actively drawing rats back. A few practical steps can reduce activity between visits.

Seal Entry Points
Gaps around utility lines, foundation cracks, and vents are the most common ways rats get in. Sealing these with durable materials can make re-entry more difficult, especially before the fall entry season begins.

Remove Food & Water Sources
Store pantry items in airtight containers and keep outdoor garbage in bins with tightly fitting lids. Address leaky pipes, dripping water heaters, and standing water in the yard, including birdbaths that go unrefreshed.

Reduce Nesting Opportunities
Trim tree branches away from the roofline to cut off roof-rat access. Keep firewood stacked away from the foundation and clear debris piles from the yard. Clutter near the structure gives rats cover and reduces the open ground they’d otherwise have to cross.