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Top Ant Control in Longmont, Colorado Ranked
Ant control is a common and essential service for Longmont homeowners and businesses seeking to protect their property from invasive pests. Effective ant management goes beyond simply killing visible ants; it involves identifying the specific species, locating the colony, and implementing a targeted strategy for long-term eradication and prevention. This guide provides detailed information on professional ant extermination services in Longmont, including what to expect from the process, typical costs, and how to find a qualified local specialist for your specific situation.

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.

Croach Pest Control
3770 Puritan Way # B, Frederick, CO 80516
Croach Pest Control offers pest control services in Denver, CO, specializing in the removal and management of common pests such as bed bugs, cockroaches, ants, rodents, bees, and wasps. They provide eco-friendly pest control solutions designed to be safe for families and the environment. The company addresses a wide range of nuisance pests found in homes, including ticks, earwigs, spiders, fleas, and beetles.
Common Ant Species in Longmont
Correctly identifying the type of ant invading your space is the first critical step toward effective control. Different species have unique behaviors, nesting preferences, and food sources, which dictate the treatment approach. In Longmont, a few species are particularly prevalent.
Pavement Ants: True to their name, these small, dark brown or black ants often nest under sidewalks, driveways, and foundation slabs 1. They enter buildings through cracks in the foundation and slab, foraging for a wide variety of foods. Their mounds of displaced soil in pavement cracks are a common sight.
Odorous House Ants (Sugar Ants): When crushed, these small, dark brown ants emit a distinct rotten coconut odor. They are strongly attracted to sweet substances and are frequent kitchen invaders 1 2. Their colonies can be large with multiple nesting sites, both indoors and outdoors, making them a persistent nuisance.
Carpenter Ants: This species is a more serious concern than typical nuisance ants. They are larger, usually black, and do not eat wood but excavate it to create smooth galleries for their nests 1 3. They are often associated with moisture problems, so infestations are commonly found in damp, damaged wood around windows, door frames, roofs, and in wall voids or attics 4 5. Controlling carpenter ants requires locating and treating the parent colony, which may be in a nearby tree stump or landscape timber.
The Professional Ant Extermination Process
Professional pest management companies in Longmont typically follow an Integrated Pest Management (IPM) approach, which prioritizes long-term solutions over temporary fixes 6 7. This multi-step process is designed for thoroughness and effectiveness.
1. Detailed Inspection and Identification
A trained technician will conduct a thorough inspection of your property, both inside and out. They will look for ant trails, entry points, and potential nesting sites. Identifying the exact species is crucial, as it determines whether sweet baits, protein/grease baits, or direct insecticide applications will be most effective 8 9. For example, a sugar ant problem requires a different strategy than a carpenter ant infestation.
2. Targeted Treatment Application
Based on the inspection, the technician will develop a customized treatment plan. Common methods include:
- Baiting: Specially formulated baits are placed along ant trails. Worker ants carry the bait back to the colony, sharing it with the queen and larvae, which leads to colony collapse 10 11. This is often the preferred method for indoor infestations.
- Perimeter/Barrier Treatments: Liquid insecticides are applied around the foundation, windows, doors, and other potential entry points to create a protective barrier that kills ants on contact and provides residual protection 12.
- Dusts and Direct Applications: For nests in wall voids, under slabs, or in other inaccessible areas, insecticidal dusts may be used. Direct insecticide application may be necessary for visible nests outdoors 13.
3. Exclusion and Prevention Recommendations
A key part of professional service is advising you on how to make your property less attractive to ants. This includes recommendations for sealing cracks and gaps around utility lines, windows, and doors; improving sanitation by storing food in sealed containers and managing garbage; and reducing moisture sources that attract certain species like carpenter ants 9 5.
4. Follow-Up and Monitoring
For many services, especially ongoing plans, follow-up visits are included. The technician will monitor bait stations, check for renewed activity, and re-apply treatments if necessary to ensure the colony is completely eliminated 8 14.
What to Expect: Timelines and Results
Understanding the timeline for ant control helps set realistic expectations. Professional treatments are effective but are not always an instant "silver bullet."
- Initial Results: You will typically notice a significant reduction in visible ant activity within 24 to 48 hours of treatment 15 8. The ants you see immediately after treatment are often those affected by the product.
- Complete Eradication: Eliminating the entire colony, including the queen, takes longer. For baiting systems to work through the colony, it can take several days to a few weeks for the infestation to be fully resolved 15 14. Patience is important, as seeing a few ants carry bait back to the nest is a sign the process is working.
- Long-Term Control: Ongoing service plans are designed to provide year-round protection, addressing new seasonal pressures and preventing re-infestations before they become a problem 14.
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Cost of Ant Control Services in Longmont
The price for professional ant extermination in Longmont varies based on several factors: the size of your home or property, the severity of the infestation, the ant species involved, and the type of service plan you choose 15 13.
One-Time Treatment: For a standard ant problem, a single professional treatment typically costs between $150 and $500 15 16. This is a common solution for a sudden, isolated infestation.
Ongoing Service Plans: Many homeowners opt for periodic service to prevent future issues. These plans often include treatments for other common pests as well.
- Quarterly Service: Plans with visits every three months generally range from $100 to $300 per visit, totaling approximately $400 to $500 per year 13 16.
- Monthly Service: More frequent service costs between $40 and $70 per month 13.
Severe or Complex Infestations: For significant carpenter ant problems where structural wood is damaged, or for very large or persistent colonies, treatment costs can be higher, potentially reaching $1,400 or more for comprehensive eradication 13 17. It's important to note that pest control costs typically do not include repair work for any structural damage caused by the ants.
Commercial Ant Control: Businesses in Longmont, such as restaurants or offices, require customized solutions. Pricing for commercial ant management is based on the facility's size, layout, and specific risk factors, and usually involves a tailored service contract 6.
To get the most accurate estimate for your situation, it is recommended to request quotes from several local Longmont pest control providers 10 18.
Choosing a Local Longmont Ant Control Specialist
When selecting a provider for ant extermination, consider companies with a strong local reputation and proven expertise. Look for licensed and insured professionals who offer free inspections and detailed explanations of their proposed treatment plan. Local companies understand the specific ant pressures and seasonal patterns in the Boulder County area. They should be willing to discuss their use of Integrated Pest Management principles and the specific products they use, ensuring they are applied safely for your family, pets, and the environment.
Frequently asked questions
Sources
Footnotes
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Common Ant Species in Loveland, CO; How to Get Rid of Pavement, ... - https://www.effectivepestservices.com/common-ant-species-in-loveland-co-how-to-get-rid-of-pavement-odorous-house-carpenter-ants-more/ ↩ ↩2 ↩3
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Ant Extermination - Colorado Pest Pros - https://copestpros.com/services/ant-extermination/ ↩
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Ants - Identifying Common Species Local to Colorado - https://www.mugabugpestcontrol.com/ants-identifying-common-species-local-to-colorado/ ↩
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How Much Does an Ant Exterminator Cost? [2026 Data] | Angi - https://www.angi.com/articles/how-much-does-it-cost-get-rid-ants.htm ↩
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Ant Control - Effective Pest Services - https://www.effectivepestservices.com/services/ant-control/ ↩ ↩2
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Ant Exterminators | Ant Pest Control Services | Presto X - https://www.prestox.com/services/pest-guides/ant-control ↩ ↩2
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Managing Imported Fire Ants in Urban Areas - https://www.ars.usda.gov/arsuserfiles/60360510/publications/Drees_et_al-2006%28M-4148%29.pdf ↩
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How much does Ant extermination cost? - Yelp - https://www.yelp.com/costs/ant_extermination ↩ ↩2 ↩3
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1401 - Ants - PlantTalk Colorado - https://planttalk.colostate.edu/topics/insects-diseases/1401-ants/ ↩ ↩2
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Pest Control Longmont, CO | #1 Rated Local Exterminator - https://antsrodentslongmont.com/ ↩ ↩2
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Ants in the Home | CSU Extension - https://extension.colostate.edu/resource/ants-in-the-home/ ↩
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Longmont, CO Pest Control - enviropest.com - https://www.enviropest.com/longmont-pest-control-services ↩
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How Much Does an Ant Exterminator Cost in 2025? - HomeAdvisor - https://www.homeadvisor.com/cost/environmental-safety/ant-exterminator/ ↩ ↩2 ↩3 ↩4 ↩5
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Home Pest Control Services - enviropest.com - https://www.enviropest.com/home-pest-control-services ↩ ↩2 ↩3
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How much does it cost to exterminate ants: 2025 Best Guide - https://bigginsexterminating.com/how-much-does-it-cost-to-exterminate-ants/ ↩ ↩2 ↩3 ↩4
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Ant Pest Control Cost Guide: What to Expect and How to Save In 2025 - https://greenpestmanagementct.com/ant-pest-control-cost/ ↩ ↩2
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How Much Does an Ant Exterminator Cost? [2026 Data] | Angi - https://www.angi.com/articles/how-much-does-it-cost-get-rid-ants.htm ↩
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Bugs and Beyond - Pest Control Service - https://www.google.com/viewer/place?mid=/g/1tfwdzzj ↩