Stink Bug Control in Bellingham, WA

Keep overwintering stink bugs out this fall. Sasquatch protects Bellingham-area homes from stink bugs and other fall invaders — no contracts, 100% guarantee.

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STINK BUG INSPECTION & TREATMENT

Our Stink Bug Treatment Service


A brown marmorated stink bug is native to East Asia and was first noticed in the United States in the late 1990s. It will attack a large variety of plants including many fruits and vegetables. It leaves small necrotic patches on any plant matte it eats, rendering produce inedible. Homeowners likely will notice an invasion before anyone else, because the brown marmorated stink bug will spend the winter in homes and other human-made structures.

Our Approach To Stink Bug Services

Getting rid of Stink Bugs is no easy task. Typical harborage locations include cracks around window and doorframes, behind fascia boards and exterior siding, and within soffits, attics, and wall voids. Structures in poor repair with many cracks and openings are most vulnerable to infestation. 

1.Stink Bug INfestation INSPECTION

First, a thorough Preventative inspection is completed of the home.

2. STINK bug TREATMENT

Next, a liquid or aerosol application will be completed to control Stink Bug and other common pest activity.

Why Choose Sasquatch Pest Control

We’re passionate about helping people just like you get rid of unwanted pest problems. Dont ask yourself if you need of pest control services. We are proud to be the only pest control in Bellingham, WA promising excellence in value, service, and trust. And honesty above all. We will do whats best for you 100% of the time!

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About Stink Bugs in the Bellingham Area

Stink bugs are a seasonal nuisance that shows up in force as the weather cools. The brown marmorated stink bug — a shield-shaped insect named for the foul odor it releases when crushed — is established across the Pacific Northwest, and Bellingham-area homeowners notice them most in fall, when large numbers gather on warm, sunny exterior walls and work their way indoors to overwinter.

Stink bugs do not bite, sting, breed indoors, or damage your home, but they are a genuine nuisance in numbers. Once inside, they cluster in attics, wall voids, and window frames and release their signature odor when disturbed or vacuumed. Outdoors, they can also damage garden plants and fruit.

The key to stink bug control is exclusion — sealing the gaps they use to get inside — combined with exterior treatment before they enter. Sasquatch Pest Control handles both.

Signs of a Stink Bug Problem

Stink bugs are most obvious in fall and again in spring. Look for:

  • Shield-shaped, brownish bugs clustering on sunny exterior walls in fall.
  • Stink bugs around windows, doors, and light fixtures as they try to get in.
  • Bugs appearing indoors on warm winter days or in early spring.
  • A strong, unpleasant odor when a bug is crushed or disturbed.
  • Clusters in attics, wall voids, and around window and door frames.
  • Damage to garden vegetables and fruit outdoors.

Why Stink Bug Control Matters

Stink bugs are harmless to people and structures — they do not bite, sting, or cause damage inside the home. The problem is one of numbers and nuisance: large overwintering populations are unpleasant, and their odor makes them difficult to remove without spreading the smell.

Because they enter in large numbers through tiny gaps, once inside the walls they are hard to treat directly. Preventing entry with exclusion and a timely exterior treatment is far more effective than fighting them indoors.

How Sasquatch Pest Control Gets Rid of Stink Bugs

Sasquatch Pest Control controls stink bugs with a prevention-first approach:

  1. Free Inspection. We identify the entry points and gathering areas and assess the level of activity.
  2. Custom Plan. We recommend exclusion plus well-timed exterior treatment to stop stink bugs before they get inside.
  3. Exclusion & Treatment. We seal gaps around windows, doors, siding, and utility openings and treat the exterior.
  4. Seasonal Protection. We time service around the fall and spring activity peaks, backed by our 100% guarantee.

How to Prevent Stink Bugs

Keep stink bugs from moving in for the winter:

  • Seal cracks and gaps around windows, doors, siding, vents, and utility penetrations.
  • Repair or replace damaged window and door screens.
  • Install door sweeps and weatherstripping.
  • Reduce exterior lighting at night, which attracts them.
  • Vacuum up indoor stink bugs (and empty the vacuum outdoors) rather than crushing them.
  • Schedule exterior treatment in early fall, before they gather.

Request Your Free Quote

Tell us what you are dealing with and our local Bellingham team will get right back to you — no obligation, no pressure.


    Frequently Asked Questions About Stink Bugs

    Are stink bugs harmful?

    No. Stink bugs do not bite, sting, breed indoors, or damage your home. They are strictly a nuisance pest, though large numbers and their odor make them very unwelcome.

    Why do stink bugs come inside in the fall?

    As temperatures drop, they look for a warm, protected place to overwinter and work their way inside through small gaps around windows, siding, and utility openings.

    Why should I not crush stink bugs?

    Crushing or startling them releases their foul odor. It is better to vacuum them up and empty the vacuum outside, or prevent entry in the first place.

    How do I keep stink bugs out of my house?

    Exclusion is key — sealing the gaps they use — combined with a well-timed exterior treatment in early fall. Sasquatch Pest Control handles both.

    Where do stink bugs hide inside?

    They cluster in attics, wall voids, window and door frames, and sunny rooms, then reappear on warm winter days and in early spring.

    How much does stink bug control cost?

    It depends on the size of your home and exclusion work needed. Sasquatch Pest Control offers a free inspection and honest pricing.

    Related Pest Control Services

    Sasquatch Pest Control handles the full range of Northwest household and commercial pests. Explore our other services:

    Stink Bug Control Across Whatcom & Skagit County

    Sasquatch Pest Control provides stink bug control throughout the Bellingham area and across Whatcom and northern Skagit County, including Bellingham, Ferndale, Lynden, Mount Vernon, Sedro-Woolley, Burlington, Bow, Blaine, and many more nearby communities.

    Ready to solve your stink bug problem for good? Call or text 360-410-2199 or contact us online for a free inspection — no contracts, no scare tactics, and a 100% service guarantee behind every treatment.