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Prevention. Restoration. Insulation. Science Driven. Service Obsessed. Revolutionizing Pest Control: Proactive Solutions, Fortified Spaces, & Higher Standards for Homes & Businesses
Keep your home pest-free with a year-round pest control program. Plans start as low as $39/month!

Ant Control in Moses Lake, WA

Nearly 15 Years Managing Ant Activity Across Central Washington

Moses Lake, WA sits at the center of Columbia Basin Project irrigation country, and that geography creates persistent ant pressure most homeowners don’t expect. Irrigation runoff keeps soil moisture high well into summer, more than 120 miles of lake shoreline gives ant colonies reliable water access through fall, and hot, dry summers followed by cold winters push ants indoors in search of moisture and warmth. The result is year-round pressure rather than a seasonal problem. The species driving most of this activity in Grant County are carpenter ants, odorous house ants, and pavement ants, each with different habits, different risks, and different treatment requirements.

Since 2011, Prosite has served Central Washington homeowners and businesses with licensed, insured pest control backed by Integrated Pest Management (IPM) principles. IPM is a science-based framework that combines targeted treatment, habitat modification, and ongoing monitoring to address pest problems at their source rather than just their surface.

Ready to stop the ant trail? Call Prosite at (509) 478-1925 to schedule ant control service in Moses Lake.

Why Moses Lake Residents Choose Prosite

Credentials & Accreditation
Prosite holds BBB A+ accreditation, is a member of the National Pest Management Association (NPMA) and the Washington State Pest Management Association (WSPMA), and was recognized as Best of Kittitas County 2024. Our licensed professionals complete ongoing training to stay current with evolving pest conditions and treatment technology.

Service Guarantee
SiteCare plans include free re-treatments: if ants return between scheduled visits, we come back at no additional charge. SiteCare Complete adds a 24-hour on-site guarantee and unlimited service on demand, so there can be less interruption in coverage.

Not every pest control provider can address both the infestation and the structural openings that made it possible. Prosite operates a dedicated Insulation Division that identifies and seals the gaps, voids, and penetrations ants use to enter and re-enter homes, pairing colony treatment with structural correction. That combination helps address the conditions that contribute to recurring infestations.

How Can We Help You?

Our Featured Services

SiteCare Preventative Maintenance Plans for Moses Lake Homeowners

Recurring preventative maintenance is an effective defense against year-round ant pressure in Moses Lake. A continuous perimeter barrier helps intercept foraging activity before colonies establish inside. All three SiteCare plans cover 50+ pests, including the ant species most active in Grant County.

SiteCare Guardian
As low as $41/month. Quarterly service with 4 visits per year. Includes exterior perimeter treatment, exterior eave control, stinging insect control and de-nesting or removal, exterior spider de-webbing, interior service guarantee, and free re-treatments between visits.

SiteCare Advantage
As low as $62/month. Bi-monthly service with 6 visits per year. Includes everything in SiteCare Guardian plus exterior rodent prevention and annual interior pest monitoring and prevention.

SiteCare Complete
As low as $83/month. Bi-monthly service with 6 visits per year. Includes everything in SiteCare Advantage plus unlimited service on demand, a 24-hour on-site guarantee, a termite service warranty for new termite activity, and preferred pricing on any wildlife service.

We also offer standalone ant control treatment for active infestations outside of plan enrollment. Contact us to discuss the option that fits your situation.

How We Treat Ant Infestations in Moses Lake Homes

Over-the-counter sprays kill foraging workers but leave the queen and colony intact. Ant trails can reappear within days because the colony itself was never addressed. Our process is built around colony-level treatment, not just the ants you can see.

Inspection & Species Identification

Every treatment begins with a thorough inspection to identify the ant species, locate nesting sites, and map entry points. Carpenter ants, odorous house ants, and pavement ants each require a different strategy, and misidentifying the species is the most common reason DIY treatment fails.

Targeted Colony Treatment

We apply environmentally responsible products formulated to reach the colony at its source. Carpenter ants require direct nest treatment. Odorous house ants require slow-acting bait that foraging workers carry back to the queen. Pavement ants require perimeter treatment targeting sub-slab nesting sites. Our technicians select and adapt the approach based on what the inspection reveals.

Preventative Maintenance & Structural Exclusion

After treatment of the active infestation, perimeter treatments and scheduled monitoring help reduce the chances of re-establishment. Carpenter ants are a particular concern in Moses Lake because they excavate wood to build nesting galleries, causing compounding structural damage if the colony isn’t fully addressed. Homes near irrigation canals or with moisture-retaining landscaping also face elevated odorous house ant pressure as foragers move indoors during dry summer months. For properties where insulation gaps or structural voids are contributing to repeated entry, our Insulation Division addresses those vulnerabilities directly, combining pest treatment with structural correction in a single service relationship.

Why Choose Prosite?

  • Service Excellence

    We are committed to customer satisfaction and deliver exceptional service to ensure clients are delighted with our pest control solutions. We maintain transparent communication, keeping clients informed at every step about methods used, expected outcomes, and preventive measures for a pest-free space.

  • Proactive Problem Solving

    We proactively identify and address root causes to prevent future pest infestations, going beyond simple eradication. Our innovative insulation services act as a proactive barrier against pests, contributing to a pest-resistant environment while regulating temperature.

  • Innovative Pest Solutions

    We employ cutting-edge, research-backed approaches and advanced exclusion techniques for precise and effective pest control.  Our methods go beyond conventional practices, providing specialized solutions to address unique pest challenges.

Home Pest Control Program Options

Customized Pest Control for Your Specific Needs

Each plan is designed so YOU can get the coverage YOU want! Our 3 simple choices give you flexibility in your budget and your needs. Rest easy with unprecedented year-round protection for your home and family.

  • SiteCare Guardian As low as $41.00 per month!
    • Quarterly Pest Control 
    • 4 Services Per Year 
    • Covers 50+ Pests 
    • Free Re-treatments 
    • Exterior Spider De-webbing 
    • Interior Service Guarantee** 
    • Exterior Perimeter Treatment 
    • Exterior Eave Control
    • Stinging Insect Control 
    • Stinging Insect De-nesting Or Removal 

    *Some exclusions may apply. **See covered pests.

  • SiteCare Advantage As low as $62.00 per month!
    • Bi-Monthly Pest Control 
    • 6 Services Per Year 
    • Covers 50+ Pests 
    • Free Re-treatments 
    • Exterior Spider De-webbing 
    • Interior Service Guarantee** 
    • Exterior Perimeter Treatment 
    • Exterior Eave Control 
    • Stinging Insect Control Stinging
    • Insect De-nesting Or Removal
    • Exterior Rodent Prevention
    • Interior Pest Monitoring & Prevention*** 

    *Some exclusions may apply. **See covered pests. ***Annually serviced. ****New termite activity only. 

  • SiteCare Complete As low as $83.00 per month!
    • Bi-Monthly Pest Control 
    • 6 Services Per Year 
    • Covers 50+ Pests 
    • Free Re-treatments 
    • Exterior Spider De-webbing 
    • Interior Service Guarantee** 
    • Exterior Perimeter Treatment 
    • Exterior Eave Control 
    • Stinging Insect Control
    • Stinging Insect De-nesting Or Removal
    • Exterior Rodent Prevention
    • Interior Pest Monitoring & Prevention***
    • Unlimited Service On Demand
    • 24-Hour On-Site Guarantee
    • Termite Service Warranty****
    • Preferred Pricing On Any Wildlife Service 

    *Some exclusions may apply. **See covered pests. ***Annually serviced. ****New termite activity only. 

  • NPMA
  • WSPMA
  • BBB A+
  • CWHBA
  • Best of Kittatas County 2024
  • SPFA

Our Reputation Speaks for Itself!

Read Our Reviews
    "Great As Usual!"
    We met our new technician, Michael, he is very knowledgeable and friendly.
    - Betty M.
    "Above and Beyond!"
    When you've got serious problems, ProSite has the right people and products to handle them quickly!
    - Brett H.
    "Winning Service!"
    We appreciate Prosite because they are prompt at responding to issues that arise, and they have kept their promise to free our 'new to us' home of rodents.
    - Jamie H.
    "Great Experience!"
    Alex politely and professionally described the areas he inspected and serviced in the crawl space of our home and the exterior outside.
    - Jerry S.
    "Repeat Customer!"
    Thank you Justin for monitoring our property and communicating the pest status with each visit.
    - Patrick T.
    "Customer for Life!"
    We have used Prosite for many years now. We love our normal technician - he knows our house and he consistently does a great job.
    - Katrina A.

Ant Prevention Steps for Moses Lake Homeowners

Professional perimeter treatments are a reliable line of defense, especially when ant colonies are foraging from irrigated agricultural surroundings. Between scheduled visits, these steps reduce the conditions that attract foragers in the first place.

  • Seal foundation cracks and utility penetrations: Gaps around pipes, conduit, and door and window frames are the most common entry points in Grant County homes.
  • Address irrigation overspray near the foundation: Standing water and saturated soil attract odorous house ants moving in from irrigated areas surrounding Moses Lake.
  • Store firewood and lumber away from the exterior: Carpenter ants use debris and woodpiles as satellite nesting sites before moving into wall voids.
  • Trim shrubs and branches away from the roofline: Above-ground vegetation gives carpenter ants a direct path into eaves and attic spaces.
  • Store food in airtight containers and clean spills promptly: Food signals trigger foraging activity indoors, particularly from odorous house ant colonies.

Schedule Ant Control Service in Moses Lake, WA

Prosite serves Moses Lake and surrounding Grant County communities. SiteCare plans start as low as $41 per month and include free re-treatments, so you’re covered between visits. Reach us by phone or through our online contact form to get started.

Call (509) 478-1925 to schedule ant control in Moses Lake. Prosite is ready to treat active infestations and help reduce the conditions that contribute to recurring ant activity.
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Customized Integrative Pest Management Plans Tailored to Your Specific Needs!! Personalized Solutions for Homes and Businesses
At Prosite, we craft custom pest control plans designed specifically for your needs, whether for your home or business. Backed by extensive research and industry-leading products, our tailored approach ensures effective pest management and lasting peace of mind.