A licensed exterminator applying a precise, targeted barrier treatment along the foundation of a home in Seattle's Queen Anne neighborhood to eliminate ant trails.

Seattle Ant Identification Guide: Carpenter vs Little Black Ants

Finding ants in your Seattle kitchen this morning? Before you grab that spray bottle and make the problem worse, spend 60 seconds identifying which species you’re dealing with. The wrong treatment doesn’t just fail it can turn a manageable kitchen problem into a whole-house infestation.

After 20+ years eliminating ants throughout Seattle and King County, we’ve learned that homeowners who correctly identify their ant species solve problems 3X faster and spend 60% less on treatment. This guide gives you the exact identification process our technicians use, plus the honest truth about what works (and what makes it worse) for each species.

AMPM Exterminators serves Seattle, Bellevue, Kirkland, Redmond, and all Eastside communities with species-specific ant elimination programs.

Call (206) 571-7580 for same day ant identification and treatment

Licensed ant control specialists | 20+ years King County experience | Guaranteed colony elimination

The 60-Second Ant Identification System: Start Here

Before you do anything else, answer these three questions:

Question 1: Where did you find them?

Question 2: What size are they?

Question 3: What do they smell like when crushed?

Got your answers? Now match your ant below.

The Seattle Big Three: Ants in 95% of King County Homes

Ant #1: Odorous House Ants (The Kitchen Invaders)

What You’re Seeing: Tiny black ants (1-2mm) in organized trails to food sources

Also called: Little black antssugar ants, sweet ants, coconut ants

The Smell Test (100% Accurate Identification):
Crush one ant between your fingers. Smells like rotten coconut or blue cheese? That’s an odorous house ant guaranteed. No other Seattle ant species produces this distinctive smell.

Where You’ll Find Them in Your Home:

Kitchen locations (90% of sightings):

  • Trails along countertops to sugar bowl, honey jar, or syrup

  • Inside cupboards where cereal boxes or snack packages are stored

  • Around pet food bowls (wet and dry food)

  • Under sink near dishwasher

  • Behind refrigerator near drip pan

Bathroom locations (60% of infestations):

  • Trails along baseboards to toothpaste residue

  • Around bathroom sink

  • Near soap scum buildup

Why They Love Seattle:
Pacific Northwest climate provides perfect conditions. They nest outdoors in landscaping (mulch, under rocks, in planter boxes) and send thousands of workers indoors daily to forage. A single colony can contain 100,000 workers and multiple queens.

Why Standard DIY Treatment Fails (And Makes It Worse):
When you spray odorous house ants with store bought ant killer, here’s what actually happens:

  • Worker ants detect the repellent chemical

  • They rush back to the nest with danger warning

  • The colony activates “budding” behavior splitting into 3-5 new colonies

  • What was one kitchen trail becomes ants in kitchen + bathroom + bedroom + living room

This phenomenon is called colony budding or fragmentation. It’s an evolutionary survival mechanism that makes odorous house ants the #1 most difficult ant to eliminate in Seattle.

What Actually Works:
Professional elimination requires:

  • Non repellent gel baits that workers carry back to nest

  • Exterior perimeter treatment to target outdoor colonies

  • Sealing entry points (they enter through gaps as small as 1/32 inch)

  • Multiple follow up treatments as new queens emerge

DIY success rate: 15-20%
Professional success rate: 95%+
Timeline: 10-14 days with professional treatment

Cost Reality:
Professional treatment: $150-250 for typical home
DIY attempt: $40-80 in products that make problem worse
Cost of NOT treating: Ants spread throughout entire house within 4-6 weeks

Seattle Neighborhood Hot Spots:
We see highest odorous house ant activity in:

  • Downtown/Belltown condos and apartments (multi-unit buildings provide unlimited colony space)

  • Eastside newer developments (landscaping with bark mulch creates ideal nesting)

  • Queen Anne/Capitol Hill older homes (foundation settling creates entry gaps)

Ant #2: Carpenter Ants (The Structure Destroyers)

What You’re Seeing: Large black ants (6-13mm), often with reddish legs, near wood or windows

Species note: Seattle area has 3 common carpenter ant species all cause similar damage

Visual Identification Features:

Size comparison:

  • 5-10X larger than odorous house ants

  • About the size of a pencil eraser

  • Easily spotted with naked eye

Color variations in King County:

  • All-black (most common 70% of sightings)

  • Black with reddish-brown legs and thorax (Camponotus modoc 25%)

  • Black and red body (Camponotus vicinus 5%)

Body shape:

  • Smooth, rounded thorax (no bumps)

  • Single node (bump) between thorax and abdomen

  • Elbowed antennae

  • Large mandibles (jaws)

The Sawdust Test (Confirms Active Infestation):
Look for small piles of sawdust (called frass) near baseboards, window frames, or door frames. Frass looks like fine sawdust mixed with ant body parts and has a texture like coarse pepper. Finding frass means carpenter ants are actively tunneling and damage is occurring NOW.

Where Carpenter Ants Nest in Seattle Homes:

Primary nest locations (where queens live):

  • Rotted deck posts in contact with soil

  • Water damaged window sills and frames

  • Roof rafters near leaky skylight or flashing

  • Crawl space rim joists with moisture damage

  • Tree stumps or firewood piles within 50 feet of house

Satellite nest locations (workers only, no queen):

  • Wall voids near bathroom or kitchen (moisture from plumbing)

  • Attic insulation near roof leak

  • Door frames with water damage

  • Foam board insulation behind siding

Why Seattle Is Carpenter Ant Capital:
Three factors make Seattle/Eastside perfect for carpenter ants:

  1. Constant moisture: 150+ rainy days annually keeps wood damp

  2. Dense tree canopy: Mature trees in Ballard, Queen Anne, Eastside provide natural habitat and highway to homes

  3. Older housing stock: Homes built 1950-1990 have inevitable moisture issues from settling

The Moisture Connection (Critical to Understand):
Carpenter ants don’t eat wood they excavate it to create galleries (tunnels) for nesting. They REQUIRE wood with 15%+ moisture content to tunnel efficiently. This is why carpenter ants are actually a SYMPTOM of a bigger problem: you have a moisture issue.

Common moisture sources in Seattle homes:

  • Roof leak from missing shingles or failed flashing

  • Gutter overflow soaking fascia boards

  • Plumbing leak inside walls

  • Poor crawl space ventilation creating condensation

  • Failed exterior caulking around windows

  • Ground contact with deck posts or siding

Damage Timeline (How Fast Problems Develop):

  • Year 1-2: Initial colony establishment in exterior wood

  • Year 3-4: Satellite colonies form inside structure

  • Year 5-7: Visible damage appears, structural concerns emerge

  • Year 8+: Extensive damage requiring $5,000-20,000 repairs

Why DIY Carpenter Ant Treatment Fails:
Homeowners make three critical mistakes:

Mistake 1: Treating only what you see
The ants you see indoors are 10-20% of the colony. The parent colony (with egg-laying queens) is OUTSIDE in a stump, tree, or woodpile within 300 feet of your house. Killing indoor workers accomplishes nothing.

Mistake 2: Using liquid sprays
Carpenter ants detect liquid sprays and avoid them. You create a temporary barrier that forces ants to find new entry points. Now you have ants in different rooms.

Mistake 3: Ignoring the moisture problem
Even if you eliminate current ants, new colonies will establish next season in the same moisture-damaged wood.

What Professional Treatment Involves:

Phase 1: Inspection (Day 1)

  • Identify all nest locations (parent + satellites)

  • Moisture meter readings to find water damage

  • Trace foraging trails to locate parent colony

  • Assess extent of wood damage

*Phase 2: Elimination (Weeks 1-3)*

  • Dust application into wall voids (reaches nests spray can’t)

  • Non repellent perimeter treatment

  • Direct treatment of parent colony if accessible

  • Baiting program to target foragers

Phase 3: Exclusion (Week 4)

  • Seal entry points

  • Address moisture issues

  • Trim tree branches providing access

  • Remove wood-to-ground contact

*Phase 4: Monitoring (Months 2-6)*

  • Quarterly inspections for new activity

  • Verify moisture repairs were effective

  • Treat any new satellite colonies that emerge

DIY success rate: 5-10%
Professional success rate: 90-95%
Timeline: 3-6 weeks for complete elimination

Cost Reality:
Professional carpenter ant treatment: $400-800
Plus moisture repairs: $500-3,000 (depending on extent)
Cost of ignoring problem: $5,000-20,000 structural damage

Seattle Neighborhood Hot Spots:
Highest carpenter ant activity in:

  • West Seattle, Ballard, Magnolia (older homes, mature trees, hillside moisture)

  • Sammamish, Issaquah, Woodinville (wooded lots, tree overhang)

  • Bellevue Somerset, Factoria (1960s-70s housing stock with settling)

When to Call Emergency Service:

  • Finding 20+ carpenter ants daily indoors

  • Sawdust piles accumulating weekly

  • Soft, spongy wood when you press on window frames

  • Rustling sounds inside walls at night

  • Winged carpenter ants (swarmers) emerging from baseboards in spring

Ant #3: Moisture Ants (Your Water Damage Alarm System)

What You’re Seeing: Small yellow brown ants (3-5mm) near water sources or damp areas

Also called: Yellow ants, cornfield ants (though they’re not the true cornfield ant species)

Visual Identification:

  • Size: Medium larger than odorous house ants, smaller than carpenter ants

  • Color: Yellow, yellow brown, or light brown (rarely black)

  • Location: ALWAYS associated with moisture if you see them, you have water intrusion

Where You’ll Find Moisture Ants:

Interior locations:

  • Clustered near leaky window (condensation dripping onto sill)

  • Under bathroom sink with slow plumbing leak

  • Basement walls with seepage

  • Crawl space insulation with condensation

  • Around HVAC condensate line

  • Near water heater drip pan

Exterior locations:

  • Foundation cracks with water seepage

  • Landscape beds against house foundation (poor drainage)

  • Under downspouts that discharge too close to house

  • Rotted deck boards in contact with soil

The Critical Difference from Other Ants:
Moisture ants are NOT primarily interested in food. They’re nesting in the moist, decaying wood and consuming the fungus growing there. Killing the ants WITHOUT fixing the water problem is completely pointless new ants will establish within weeks.

Why Moisture Ants Are Actually Helpful (Sort Of):
Think of moisture ants as your home’s moisture detection system. Their presence is screaming: “You have water damage happening right now that will cause rot, mold, and structural failure if not addressed.”

Problems moisture ants indicate:

  • Active roof leak

  • Plumbing leak inside walls

  • Foundation crack allowing water intrusion

  • Improper grading directing water toward foundation

  • Failed exterior caulking

  • Inadequate crawl space ventilation

  • Gutter system not functioning properly

Damage Timeline:

  • Months 1-3: Moisture problem begins (leak, condensation, poor drainage)

  • Months 4-6: Wood begins decay, fungus growth starts

  • Months 7-12: Moisture ants discover location and establish colony

  • Year 2: Wood rot advanced, mold growth likely

  • Year 3+: Structural damage, expensive repairs required

Why Spraying Moisture Ants Is Pointless:
You can kill every moisture ant in your house today. If you don’t fix the moisture issue, new moisture ants will appear within 2-4 weeks because:

  • The moisture and fungus remain (attracting new colonies)

  • The existing nest may have backup queens that restart colony

  • Neighboring colonies detect the ideal habitat and move in

The Right Approach to Moisture Ant Elimination:

Step 1: Identify moisture source
Professional inspection with moisture meter and thermal camera locates:

  • Hidden plumbing leaks

  • Roof penetration failures

  • Foundation seepage

  • Condensation sources

Step 2: Fix the water problem
This might involve:

  • Roof repair

  • Plumbing repair

  • Foundation crack sealing

  • Improved drainage

  • Enhanced ventilation

  • Gutter system improvements

Step 3: Remove damaged wood
Wood with advanced decay must be replaced it will never recover and remains vulnerable

Step 4: Eliminate ant colony
Once moisture is resolved, treating ants is straightforward with dust or spray applications

DIY success rate: 20% (because homeowners identify moisture source incorrectly)
Professional success rate: 85% (depends on thoroughness of repairs)
Timeline: Immediate ant control, but monitoring needed for 6-12 months

Cost Reality:
Moisture inspection: $150-300
Moisture repairs: $500-5,000 (highly variable depends on issue)
Ant treatment: $200-400
Cost of ignoring: $10,000-30,000 (rot, mold remediation, structural repairs)

Seattle Area Moisture Ant Hot Spots:
Highest activity in:

  • Renton, Kent, Federal Way (valley locations, higher water tables)

  • Older Seattle basements (pre1960 construction, limited waterproofing)

  • Eastside properties near wetlands or streams

  • Any home with aging roof (20+ years), gutters not maintained

Quick Reference: Other Seattle Area Ants

Pavement Ants (Sidewalk Dwellers)

What they look like: Small (2-3mm), dark brown to black
Where found: Cracks in driveways, sidewalks, patios
Why they matter: Rarely invade homes, mostly exterior nuisance
What works: Perimeter treatment prevents indoor entry
Cost: Usually included in general pest control service

Thatching Ants (The Yard Ants)

What they look like: Medium-large (4-9mm), red and black coloring
Where found: Large outdoor mounds covered with pine needles/grass
Why they matter: Painful bite, protect outdoor living spaces
What works: Direct mound treatment (don’t disturb first)
Warning: Aggressive when nest disturbed can swarm and bite

Pharaoh Ants (The Hospital Pest)

What they look like: Very small (1.5-2mm), light yellow or reddish
Where found: Hospitals, commercial kitchens (rare in Seattle homes)
Why they matter: Spread disease in medical facilities
What works: Specialized baiting program (DON’T spray causes budding worse than odorous house ants)

Argentine Ants (The Super Colony)

What they look like: Small (2-3mm), light to dark brown
Where found: Increasingly common in Seattle proper
Why they matter: Form massive supercolonies with millions of workers
What works: Professional multi site treatment
Note: Climate change expanding their range northward expect more sightings

Seattle Ant Season Calendar: When to Expect Activity

March – April: The Spring Awakening

  • Carpenter ants wake from winter dormancy

  • Winged reproductives (swarmers) emerge for mating flights

  • First outdoor foraging begins

  • Odorous house ants begin indoor invasion

May – June: Peak Season Begins

  • All species at maximum activity

  • Highest call volume for ant problems

  • Moisture ants swarm near water-damaged areas

  • Best time for preventive treatment (before colonies explode)

July – August: The Hot Stretch

  • Activity remains high but stable

  • Odorous house ants most visible (seeking water)

  • Carpenter ant foraging peaks

  • Treatment most effective (ants actively feeding on baits)

September – October: The Fall Push

  • Ants stockpiling food before winter

  • Second smaller swarming period for carpenter ants

  • Moisture ants following fall rains into new leak sites

  • BEST time to treat for year-long control

November – February: Winter Slowdown

  • Outdoor activity minimal

  • Indoor ant sightings decrease but don’t stop

  • Carpenter ants hibernate in wall voids

  • Good time for moisture repairs without ant interference

Pro Tip: Schedule ant service in September-October for best results. Fall treatments eliminate colonies before winter, prevent spring invasion, and cost less (off peak pricing).

The Real Cost of DIY Ant Control Why It Usually Backfires

Let’s be honest about what happens when you try DIY ant control:

The DIY Ant Control Journey:

Week 1: Buy $12.99 ant spray from Home Depot

  • Kill the ants you can see

  • Feel victorious

  • Cost: $13

Week 2: Ants return, now in two rooms

  • Buy $19.99 “professional strength” spray

  • Buy $15.99 ant bait stations

  • Cost: $36

Week 3: More ants than ever

  • Research online (“colony budding” sounds bad)

  • Buy $24.99 outdoor perimeter treatment

  • Cost: $25

Week 4: Ants now in four rooms

  • Frustration peaks

  • Call professional

  • Cost: $350 for treatment

Total DIY cost: $74 + 4 weeks of frustration + problem got worse
Cost if you’d called professional Week 1: $250-350 + problem solved

Why DIY Fails (The Science):

Reason 1: Wrong product
Store-bought sprays are repellent based (ants detect and avoid)
Professional products are non repellent (ants contact unknowingly)

Reason 2: Wrong application
You’re treating where you see ants (wrong location)
Professionals treat where ants nest (source elimination)

Reason 3: Wrong species knowledge
You think all ants respond to same treatment
Different species require completely different approaches

*Reason 4: No follow through*
One treatment rarely eliminates established colonies
Professional programs include follow-up visits

When DIY Makes Sense:
DIY might work IF:

  • You caught it within first 2-3 days of seeing ants

  • It’s clearly a scout patrol (under 10 ants total)

  • You can identify species correctly

  • You buy professional-grade non-repellent products ($40-60 online)

  • You’re willing to do 3-4 treatments over 2 weeks

  • You seal all entry points

Realistic DIY success rate: 15-20%

When to Call Professional Immediately:

  • You see 20+ ants daily

  • Ants are in multiple rooms

  • You tried DIY for 7+ days with no improvement

  • You see sawdust (carpenter ants causing damage)

  • Ants returning within days of treatment

  • You can’t identify species confidently

  • You have immunocompromised family members (food contamination risk)

Neighborhood Specific Ant Problems in King County

After 20+ years serving King County, we’ve identified geographic patterns in ant infestations:

North Seattle (Ballard, Fremont, Greenwood, Shoreline):

Central Seattle (Capitol Hill, Queen Anne, Magnolia):

South Seattle (West Seattle, Georgetown, Beacon Hill):

  • Primary: Carpenter ants

  • Secondary: Moisture ants (older basements, foundation issues)

  • Unique factor: Proximity to industrial areas, standing water concerns

  • Peak season: May-September

Eastside – Bellevue Core:

  • Primary: Odorous house ants (landscaping with bark mulch)

  • Secondary: Pavement ants

  • Unique factor: Newer construction has hidden gaps in modern siding systems

  • Peak season: April-July

Eastside – Woodinville, Sammamish, Issaquah:

  • Primary: Carpenter ants (forested lots, abundant wood)

  • Secondary: Thatching ants (yard nuisance)

  • Unique factor: Wooded settings bring ants from natural habitat

  • Peak season: May-August

South King County (Renton, Kent, Federal Way, Auburn):

  • Primary: Moisture ants (valley locations, higher water tables)

  • Secondary: Odorous house ants

  • Unique factor: Clay soil, poor drainage creates persistent moisture issues

  • Peak season: March-October (longer season due to moisture)

Frequently Asked Questions: Seattle Ant Identification & Control

Q: How can I tell if I have carpenter ants or odorous house ants?

A: Three definitive tests: Size test  Carpenter ants are 5-10X larger than odorous house ants. If the ant is pinhead sized, it’s odorous house. If it’s pencil eraser sized, it’s carpenter. Smell test – Crush one ant. Smells like rotten coconut  odorous house ant (100% certain). No strong smell  likely carpenter ant. Location test  Seeing them on kitchen counters in trails to food  odorous house ants. Seeing them near windows, doors, wood trim  carpenter ants. If you’re still uncertain, text us a photo at (206) 571-7580 and we’ll identify it free.

Q: Why do ants come back after I spray them?

A: Store bought ant sprays contain repellent chemicals that ants can detect and avoid. When you spray, three things happen: Worker ants carry warning signals back to nest. The colony relocates to avoid the sprayed area (now you have ants in a different room). For odorous house ants, the stress triggers “budding” where one colony splits into multiple colonies. You literally multiply your problem. Professional treatment uses non-repellent products ants cannot detect they contact the product unknowingly and carry it back to the nest, eliminating the entire colony.

Q: I only see a few ants. Is it really a problem?

A: Those “few ants” are scout workers from a colony that contains thousands to hundreds of thousands of individuals. For every ant you see, there are 200-500 you don’t see. Those scouts are mapping your home, locating food sources, and reporting back. Within 1-2 weeks, those “few ants” become organized trails of hundreds. The best time to treat is NOW while the infestation is small. Small infestations cost $150-300 to eliminate. Large infestations cost $400-800.

Q: Are the ants I’m seeing the “sugar ants” everyone talks about?

A: “Sugar ants” isn’t an actual species name it’s a catchall term people use for small ants attracted to sweets. In Seattle, “sugar ants” are almost always odorous house ants. True sugar ants (Camponotus consobrinus) are native to Australia and don’t exist in Washington. Some people also call pavement ants “sugar ants.” But if you’re in Seattle and calling them sugar ants, you probably have odorous house ants. Do the smell test (crush one) rotten coconut smell confirms it.

Q: Will ants go away on their own in winter?

A: No. Seattle’s mild climate allows year-round ant activity. Outdoor foraging slows in winter, but colonies remain active in protected locations. Carpenter ants hibernate inside wall voids but emerge immediately when spring arrives. Odorous house ants may actually increase indoor activity in winter (seeking warmth and moisture). Waiting for winter doesn’t solve the problem it gives the colony 6 months to grow larger. Treat in fall for best results.

Q: Can I prevent ants without pesticides?

A: Prevention reduces ant problems but rarely eliminates established colonies. Effective prevention steps: Seal entry points (caulk cracks around windows, doors, utility penetrations). Fix moisture problems (leaks, condensation, poor drainage). Eliminate food sources (wipe counters, seal food containers, empty trash daily). Remove wood-to-soil contact (firewood, landscape timber). Trim vegetation away from house (12+ inches clearance). This prevents NEW infestations effectively. But if you already have an established colony, these steps alone won’t eliminate it you need treatment.

Q: How much does professional ant control cost in Seattle?

A: Transparent pricing for King County: Odorous house ants (little black ants): $150-300 for typical single family home. Includes initial treatment, follow-up visit, and warranty. Carpenter ants: $400-800 depending on severity and number of nest sites. Includes inspection, elimination program, and exclusion work. Add $200-500 if extensive moisture repairs needed. Moisture ants: $300-600 for ant treatment, but moisture repairs vary widely ($500-5,000 depending on issue). Quarterly prevention program: $100-150 per quarterly visit, protects against all species year-round. Emergency same day service: Add $100-150 to base price. Price depends on infestation severity, home size, accessibility, and number of follow-up visits needed.

Q: What’s the difference between carpenter ants and termites?

A: Easy visual identification: Carpenter ants: Large (6-13mm), elbowed antennae, pinched waist, dark coloring, leave sawdust piles (frass). Termites: Small (4-6mm), straight antennae, thick uniform body, light coloring, leave mud tubes on foundation. Behavior difference: Carpenter ants don’t eat wood carpenter ants  excavate it to nest. You’ll see them foraging outside. Termites eat wood and rarely seen above ground. Damage difference: Carpenter ants create smooth, clean galleries in wood. Termites leave wood with mud/soil-packed tunnels. Seattle reality: Carpenter ants are 50X more common than termites in King County. If you’re seeing large ants, it’s almost certainly carpenter ants not termites.

Q: Can ants cause health problems for my family?

A: Ants pose moderate health risks: Food contamination: Ants walking across countertops transfer bacteria from outside (including sewage, animal waste, dead insects). Odorous house ants contaminate food packages, sugar containers, and food prep surfaces. Bites/stings: Carpenter ants can bite defensively (painful but not dangerous). Thatching ants spray formic acid when biting (causes welts, painful for pets). Allergic reactions: Rare, but some people develop allergic sensitivity to ant proteins. Asthma triggers: Ant parts and waste can become airborne, triggering asthma in sensitive individuals. Psychological stress: Large infestations cause significant anxiety and sleep disruption. Most significant risk is food contamination. If you have immunocompromised family members, infant in the home, or food allergies, eliminate ant infestations immediately.

Free Ant Identification Service from AMPM Exterminators

Not sure which ant species you’re dealing with? We’ll identify it free no obligation.

Three ways to get identification:

Option 1: Photo Identification (Fastest)

  • Text photo to: (206) 571-7580

  • Include: Where you found them, approximate size, behavior

  • We’ll identify within 2 hours during business hours

  • 100% free, no pressure to book service

Option 2: In Person Inspection

  • Schedule free inspection at your home

  • We identify species, locate nests, assess severity

  • Provide written recommendation and cost estimate

  • Book service or decline no hard sell, no pressure

Option 3: Bring Sample to Office

  • Bring live or dead ants in sealed container/bag

  • We’ll examine under magnification

  • Discuss treatment options that match your budget

  • Walk ins welcome during business hours

What happens after identification:
We provide:

  • Species confirmed

  • Severity assessment (light/moderate/severe)

  • Treatment options explained

  • Honest assessment of DIY vs professional

  • Clear pricing with no hidden fees

  • Written estimate valid 30 days

No obligation to book service. We’d rather you understand what you’re dealing with than guess and waste money on wrong treatment.

The AMPM Advantage: Why Seattle Homeowners Choose Us for Ant Control

20+ Years King County Experience
We’ve treated tens of thousands of ant infestations across every Seattle neighborhood. We know the local species, seasonal patterns, and construction types that create problems.

Species-Specific Treatment
We don’t use one size fits all approach. Carpenter ants get carpenter ant treatment. Odorous house ants get colony-elimination protocol. Moisture ants get moisture inspection first.

Honest Assessment
If DIY will work for your situation, we’ll tell you. If you need professional help, we explain exactly why. No scare tactics, no upselling services you don’t need.

Cost Transparency
Clear pricing before we start. Written estimates. No surprise charges. Payment due after service, not before.

Guaranteed Results
30-day elimination warranty on all treatments. If ants return within warranty period, we retreat at no charge. Quarterly programs include unlimited free visits between scheduled services.

Licensed & Insured
Washington State licensed pest control operators. $2M liability insurance. Workers compensation coverage. Bonded and insured for your protection.

Same Day Emergency Service Available
Carpenter ants causing visible damage? Ants swarming at customer-facing business? We offer same day service throughout King County (surcharge applies).

Family & Pet Safe Products
Professional grade products used in manner that protects children and pets. Lower toxicity options available for sensitive households.

Schedule Your Free Ant Identification & Inspection

Stop guessing which ants you have. Get professional identification and honest treatment recommendations free, no obligation.

Call AMPM Exterminators: (206) 571-7580

Or text ant photos to: (206) 571-7580

Or request online inspection: ampmexterminators.com

Serving all King County communities:
Seattle (all neighborhoods), Bellevue, Kirkland, Redmond, Sammamish, Issaquah, Mercer Island, Bothell, Woodinville, Newcastle, Renton, Kent, Federal Way, Auburn, Tukwila, Burien, SeaTac, Shoreline, Lake Forest Park

Available 7 days/week
Regular hours: Monday-Saturday 8 AM-6 PM, Sunday 9 AM-5 PM
Emergency service: Call for same-day appointments

Licensed, Bonded, Insured
Washington State Pest Control License #
Fully insured for your protection
20+ years serving King County

Related Ant Control Services

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Sugar Ant Extermination
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Seattle Ant Control Service
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Eastside Ant Exterminators
Specialized service for Bellevue, Kirkland, Redmond, and all Eastside communities.

Commercial Ant Control
Monthly ant management programs for restaurants, offices, warehouses, and multi-family properties.

Emergency Pest Control
Same day ant elimination for urgent infestations in homes and businesses.

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