
Find the Best Cockroach Control for Your Business
No obligation • Fast responses • Nationwide coverage
- Home
- Cockroach Control
- Colorado
- Westminster

Why you can trust Pest Crews
Pest Crews is a leading U.S. resource for finding and evaluating residential and commercial pest control services. Our team researches providers, reviews treatment approaches, and organizes unbiased information to help you make informed decisions. Companies cannot pay to change our editorial content or influence how they appear.
Search providers near you
Top Cockroach Control in Westminster, Colorado Ranked
Finding effective cockroach control in Westminster is essential for maintaining a healthy and comfortable home. The city's warm climate creates an ideal environment for several resilient roach species to thrive, making infestations a common and persistent challenge. This guide explains the local cockroach problem, outlines proven prevention and treatment strategies, and helps you understand your options for professional roach management services.

Side by Side Pest Control, LLC
denver
Side by Side Pest Control, LLC is a pest control company based in Denver, CO, specializing in the removal and management of rodents, ants, cockroaches, and termites for both residential and commercial properties. They provide thorough inspections to identify infestations and develop customized treatment plans using safe and environmentally friendly methods. Their termite control service includes detailed property assessments to target and prevent damage effectively.
Advantage Pest Management
7270 Gilpin Way Ste 190, Denver, CO 80229
Advantage Pest Management is a pest control company based in Denver, CO, offering services for a wide range of pests including cockroaches, ants, rodents, mosquitoes, bees, wasps, and wildlife removal. They serve the Denver Metro Area with flexible scheduling and guaranteed treatments. The company is known for its ability to handle various pest problems efficiently and provides same-day service options. Advantage Pest Management emphasizes customer satisfaction with a guarantee to re-treat if results are unsatisfactory.

Pest Arrest Pest Control - Boulder
1495 Canyon Blvd Suite 301, Boulder, CO 80302
Pest Arrest Pest Control - Boulder is a veteran and family-owned pest control company serving Denver, CO. They provide residential and commercial pest control solutions using eco-friendly Integrated Pest Management methods to protect homes and businesses from a wide range of pests including ants, cockroaches, rodents, termites, bees, wasps, and more. Known for their ARREST System® plans, they offer targeted treatments that often resolve infestations in one visit and specialize in rodent control through their Mice Masters™ service. Pest Arrest has been serving the Denver Metro Area since 2019 with a focus on sustainable pest management and customer care.

Pest Arrest Pest Control - Denver
1630 Welton St, Denver, CO 80202
Pest Arrest Pest Control - Denver is a veteran and family-owned pest control company serving Denver, CO, and surrounding areas since 2019. They provide residential and commercial pest control solutions using eco-friendly Integrated Pest Management (IPM) methods to protect homes and businesses from a wide range of pests including ants, cockroaches, rodents, wasps, and more. The company is known for its proven treatments that often resolve infestations within one or two visits, with specialized expertise in rodent control through their Mice Masters™ program. Pest Arrest emphasizes customer care and sustainable pest management without contracts or pressure.

Affordable Pest Services
denver
Affordable Pest Services is a local pest control company serving Denver, CO, and surrounding communities including Highlands Ranch, Castle Rock, and Littleton. They provide residential and commercial pest control solutions tailored to address ants, spiders, rodents, wasps, cockroaches, and other common pests. Their services include preventative treatments focused on sealing entry points and monitoring high-risk areas, using family- and pet-safe, eco-friendly methods. With over 20 years of experience, Affordable Pest Services offers same or next day availability to manage seasonal pest challenges effectively.
Understanding Westminster's Cockroach Problem
Westminster's Mediterranean climate, characterized by mild winters and hot, dry summers, directly influences its pest activity 1. While pleasant for residents, this weather is perfect for cockroaches. During the peak summer heat, roaches are driven indoors in search of two critical resources: water and shelter 2 3. The most common offenders in the area are German and American cockroaches, though Smokybrown roaches can also be a concern 3 4.
These pests are not just a nuisance; they are a health concern. They can contaminate food and surfaces, trigger allergies and asthma, and spread bacteria. Understanding their behavior is the first step in controlling them. German cockroaches, for instance, are almost exclusively indoor pests that breed rapidly within structures. In contrast, American and Smokybrown roaches often live outdoors but will readily invade homes through cracks and gaps when conditions outside become too dry or when they detect food and moisture inside 4.
Common Hotspots and Attractions in Your Home
Cockroaches are experts at hiding and exploiting the smallest opportunities. In Westminster homes, they are typically found in areas that provide their basic needs:
- Kitchens: This is ground zero for most infestations. Crumbs, spills, unsealed food packages, and pet food bowls offer a constant buffet. The spaces behind refrigerators, stoves, and dishwashers provide warm, dark harborage.
- Bathrooms & Utility Areas: Leaky faucets, dripping pipes, and condensation around drains provide the moisture roaches need to survive. They often hide under sinks, around toilet bases, and in laundry rooms.
- Wall Voids & Crawl Spaces: These secluded areas offer safe travel routes and nesting sites, especially for larger species like American cockroaches.
- Near Entry Points: Gaps around utility pipes, cracks in foundation walls, and spaces under doors are common entryways that can lead to indoor hotspots 1 2 3.
The primary attractions are always food and moisture. Even minor issues like a small plumbing leak, a trash can that isn't sealed, or a few crumbs under a toaster can sustain a population.
A Three-Pronged Strategy for Effective Roach Management
Successfully managing a cockroach issue requires an integrated approach that goes beyond simply spraying an insecticide. The most effective long-term strategy combines sanitation, exclusion, and targeted treatment.
1. Sanitation: Eliminate the Food and Water Source
This is the most critical step you can take, as it makes your home less inviting. Effective sanitation involves:
- Storing all dry goods (cereal, flour, pet food) in sealed glass or plastic containers.
- Taking out the trash regularly and using bins with tight-fitting lids.
- Wiping down counters, sweeping floors, and cleaning up spills immediately after meals.
- Fixing leaky faucets and pipes to reduce available moisture.
- Avoiding leaving dirty dishes in the sink overnight 1 5 6.
2. Exclusion: Seal Them Out
Deny cockroaches easy access to your home by sealing potential entry points. This process, often called exclusion, involves:
- Using caulk or sealant to fill cracks and gaps in baseboards, around cabinets, and where pipes enter walls.
- Installing door sweeps on exterior doors.
- Repairing torn window screens and ensuring vents are properly covered with fine mesh 1 2 7.
3. Targeted Treatment: Precise Elimination
When an active infestation is present, targeted treatments are necessary. Modern pest management focuses on precision over widespread spraying:
- Gel Baits and Stations: These are highly effective tools. Roaches consume the bait and return to their hiding places, where they die and are often cannibalized by others, spreading the insecticide through the colony. Gels can be applied in tiny cracks and crevices where roaches live 5 6.
- Insecticide Sprays: While useful for immediate "knockdown" of visible roaches, sprays alone rarely solve an infestation, as they don't reach the hidden nests. They are best used in conjunction with baits and as a barrier treatment in certain areas 8.
- Monitoring: Placing sticky traps in suspected areas helps identify the species, locate major activity zones, and monitor the success of your control efforts 7.
Find the perfect cockroach control for your needs
Get personalized recommendations and expert advice
What to Expect from Professional Cockroach Extermination
For established infestations, especially of prolific German cockroaches, professional help is often the most reliable and fastest solution. Local experts understand the behavior of Westminster's common roach species and can implement a comprehensive plan.
A professional service will typically conduct a thorough inspection to identify the species, locate harborage areas, and assess the severity. They will then develop a customized plan that likely includes the application of professional-grade baits and gels in strategic locations, along with recommendations for sanitation and exclusion you should follow. Many companies offer ongoing maintenance plans to prevent re-infestation, which can be valuable in a climate where pests are a constant threat.
Costs for professional roach control can vary based on the size of your home, the severity of the infestation, and the company you choose. Research indicates that a basic service visit can range from approximately $62 to $196, with an average around $112 9 10. For a full cockroach extermination treatment, prices may range from $100 to $650 9. Some providers offer monthly or quarterly maintenance plans that average between $21 and $65 per month, which often include several treatments per year 9 10.
Tenant and Landlord Responsibilities
In California, landlords are legally required to provide habitable housing, which includes maintaining properties that are free from pest infestations at the start of a tenancy 11. If a cockroach infestation arises, tenants should promptly report the issue to their landlord or property manager in writing. For severe infestations that affect livability, the landlord is generally responsible for arranging and paying for professional extermination 12.
Tenants are responsible for maintaining cleanliness to prevent infestations caused by their own actions. If an infestation is deemed to be a result of a tenant's poor sanitation, the cost of treatment may fall to them. Understanding these rights and responsibilities is an important part of resolving a pest issue in a rental property 11 12.
Frequently asked questions
Sources
Footnotes
-
Cockroaches / Home and Landscape / UC Statewide IPM ... - https://ipm.ucanr.edu/home-and-landscape/cockroaches/ ↩ ↩2 ↩3 ↩4
-
Frequently Asked Questions - Westminster Pest Control Xperts - https://westminsterpestcontrolxperts.com/faq/ ↩ ↩2 ↩3
-
Cockroach - Westminster Pest Control Xperts - https://westminsterpestcontrolxperts.com/cockroach/ ↩ ↩2 ↩3
-
Southern California Cockroach Seasons | Versa-Tech® - https://versatechpm.com/southern-california-cockroach-seasons/ ↩ ↩2
-
EFFECTIVE MANAGEMENT OF COCKROACH INFESTATIONS - http://publichealth.lacounty.gov/eh//docs/safety/effective-management-cockroach-infestations.pdf ↩ ↩2
-
California Cockroaches: Effective Control Strategies - https://www.woodspestcontrol.com/blog/california-cockroaches-effective-control-strategies ↩ ↩2
-
Roach Control Westminster (888) 470-1248 - Ca 92683 | Near ... - https://roach-control-westminster-ca.maderapestcontrolcompany.com/ ↩ ↩2
-
What practices would you suggest to control and eradicate pe | Quizlet - https://quizlet.com/explanations/questions/what-practices-would-you-suggest-to-control-and-eradicate-pest-infestation-f81b2ad1-17c502f2-5283-4032-a79a-d2abd78e5a40 ↩
-
How Much Does Orkin Cost? (2026) - HomeGuide - https://homeguide.com/costs/orkin-prices ↩ ↩2 ↩3
-
Pest Control in Westminster - https://www.lloydpest.com/service-areas/pest-control-in-westminster-ca ↩ ↩2
-
Can You Sue Your Landlord for a Cockroach Infestation in California? - https://www.brintonfirm.com/roaches-in-apartment/ ↩ ↩2
-
Cockroaches in Apartment Law: Key Facts and Legal Rights - Pest Share - https://www.pestshare.com/cockroaches-in-apartment-law/ ↩ ↩2