Perimeter Pest Control & Home Defense in Maine
Most of the pests you find inside your home actually started outside. Our Home Defense program creates a treated barrier around the foundation, eaves, doorways, and entry points so ants, earwigs, spiders, and other structural pests do not get in.

Most indoor pests start outside
If you are seeing ants on the kitchen counter, earwigs in the basement, spiders in the bathroom, or wasps building nests on the eaves, the source is almost always outside. 90% of structural pest problems in Maine homes start at the foundation, the doorways, and the eaves. By the time you see them inside, they have already found a path through a crack, a gap around a utility line, or an unsealed door sweep.
Our Home Defense program is exterior-only by design. Four seasonal visits through the active pest year, each treating the perimeter of the building (foundation, doorways, window frames, garage edges) so pests stop getting in. No indoor treatments needed for most properties. Each visit gives roughly 30 days of barrier protection, and the four visits are timed to cover the full active season.
Our Structure Guard program is the more advanced version. Same four-visit seasonal schedule, but the treatment goes higher on the home: eaves, shutters, bulkheads, soffits, and the upper-exterior zones where stubborn wasps, hornets, cluster flies, and other flying or clustering pests gather. The standard foundation barrier does not reach those zones, so Structure Guard fills the gap.
What we do not do: rodents (mice, rats), bed bugs, termites. Those need specialized work and we will refer you to a structural pest professional who handles them. We focus on the perimeter pests our program is built for, and we are honest about where it is the wrong tool.
Exterior-only barrier. No indoor spraying.
Treat the building perimeter so pests stop getting in. Most homes never need an indoor treatment when the exterior is managed properly.
Four-visit seasonal barrier
Four Home Defense visits through the active pest season, each creating roughly 30 days of protection around the foundation, doorways, window frames, garage edges, and other lower entry points. Pests cross the barrier and stop before they get inside.
Exterior-only treatment
We do not spray inside your home. The treatment goes on the outside surfaces where pests actually live and travel. No indoor odors, no clearing rooms, no waiting to come back inside.
Structure Guard treats higher on the home
Our Structure Guard program targets the upper exterior of the home — eaves, shutters, bulkheads, soffits, and fascia — where stubborn wasps, hornets, and cluster flies gather. Four seasonal treatments through the active pest year.
Indoor add-ons by request
For specific indoor problems we have not stopped from outside (a kitchen ant trail, a recurring crack-and-crevice route), we offer Gel Bait and targeted indoor crack-and-crevice treatments as request-only add-ons.
The pests we manage at the perimeter
These are the structural pests we see in Maine homes most often. Our Home Defense and Structure Guard programs are built around them.

Ants
Carpenter ants, pavement ants, pharaoh ants, and the small black "sugar ants" are the most common in Maine homes. They follow scent trails along baseboards, counters, and through cracks. The barrier treatment stops them at the foundation before they find a route inside.

Spiders
Cellar spiders, wolf spiders, orb weavers, and house spiders are all common in Maine. Most are harmless but unwanted. The barrier discourages them from setting up around doorways, windows, eaves, and corners where they normally build webs.

Earwigs
Earwigs love damp, dark spaces. Basements, mudrooms, and entryways are typical spots. They live outside in mulch beds, under landscape stones, and around foundation plantings, then travel inside through gaps. Perimeter treatment plus mulch-bed perimeter treatment manages them.

Wasps & Hornets
Paper wasps, yellow jackets, bald-faced hornets, and ground-nesting wasps. They build under eaves, in soffits, around playsets, and in low ground holes. We discourage nest-building during seasonal treatments and remove existing nests as an add-on service when needed.

Other Crawling Pests
Clover mites, centipedes, millipedes, silverfish, ground beetles, sowbugs, and other small crawling structural pests. Most live in the same outdoor environments (mulch, leaf litter, foundation plantings) and use the same entry points. The exterior barrier covers them.
The entry points we treat on every visit
Most structural pests use the same handful of routes into a house. Our barrier treatment hits all of them on every visit.
Common Maine home pests
Identification photos for the structural pests we manage with Home Defense. Click any image to enlarge.
Home Defense FAQs
The questions we hear most from homeowners thinking about exterior pest management.
Is Home Defense the same as perimeter pest control?
Yes. "Perimeter pest control" is the phrase most people search for. We call ours Home Defense because the whole approach is an exterior barrier around the building, not indoor spraying. Same idea: stop ants, spiders, earwigs, wasps, and other structural pests at the foundation before they get inside.
What does Home Defense actually treat?
Home Defense is an exterior perimeter barrier program for the structural pests that get into Maine homes from outside: ants (carpenter, pavement, sugar, pharaoh), spiders (cellar, wolf, orb weaver, house), earwigs, wasps and hornets, clover mites, centipedes, millipedes, silverfish, ground beetles, and other small crawling pests.
We treat the foundation, doorways, window frames, eaves, soffits, garage edges, and utility entry points so the pests stop before they get in.
What does Home Defense NOT treat?
We do not treat for rodents (mice, rats), bed bugs, termites, fleas inside the home, or cockroaches. Those problems need specialized work that is outside the scope of our exterior perimeter program.
If you have one of those issues, we will tell you honestly and refer you to a structural pest professional who handles them. We focus on the perimeter pests Home Defense is built for and we are direct about where it is the wrong tool.
How long does the 30-day barrier last and how many visits are in the program?
Each Home Defense treatment provides approximately 30 days of perimeter protection. The full Home Defense program is four seasonal visits through the active pest year, timed so the protection windows cover the full active season for ants, earwigs, spiders, and the other foundation-perimeter pests we manage. Heavy rain, irrigation, and seasonal pest pressure can shorten any single window slightly.
Structure Guard is also a four-visit seasonal program, but each visit treats higher on the home (eaves, shutters, bulkheads) for stubborn wasps, hornets, and cluster flies that the foundation barrier does not reach.
Do you spray inside the house?
Not by default. Home Defense is exterior-only by design. The treatment goes on outside surfaces where pests actually live and travel. No indoor odors, no clearing rooms, no waiting to come back inside.
If you have a specific indoor problem we have not stopped from outside (a stubborn kitchen ant trail, a crack-and-crevice route the perimeter is not catching), we can add Gel Bait or targeted indoor crack-and-crevice treatments as request-only add-ons.
Are these treatments safe for pets and kids?
Our products are selected for a favorable profile around people and pets when used as intended. The treatment is applied to exterior surfaces and dries quickly. We recommend keeping pets and children off treated surfaces until the product has dried (typically 1 to 2 hours, faster on hot dry days).
Because Home Defense is exterior-only, there is no indoor exposure to manage. The barrier is on the outside of the building, away from where the family spends time.
What is the difference between Home Defense and Structure Guard?
Both are four-visit seasonal programs. The difference is what gets treated and where.
Home Defense is the foundation program. Four visits through the year treating the foundation, doorways, window frames, and lower entry points where ants, earwigs, spiders, and other ground-level structural pests get in. Best for typical residential properties with normal pest pressure.
Structure Guard is the more advanced version. Four visits through the year treating higher on the home — eaves, shutters, bulkheads, soffits, and fascia — where stubborn wasps, hornets, cluster flies, and other flying or clustering pests gather. The standard foundation barrier does not reach those zones, so a home with persistent wasp activity, recurring hornet nests under the eaves, or fall cluster fly invasions is a better fit for Structure Guard.
Many properties run both: Home Defense for the foundation perimeter, Structure Guard for the upper exterior. We will tell you which fits when we walk the property.
Can Home Defense help with carpenter ants?
Yes, the perimeter barrier discourages carpenter ant traffic into the home and helps manage active workers crossing the foundation. For an established carpenter ant colony inside the structure (mature nest in a wall, sill, or rim joist), the perimeter alone may not be enough. We can add targeted Gel Bait or interior crack-and-crevice work as add-ons, and for heavily infested structures we will refer to a structural pest professional.
If you are seeing winged carpenter ants inside the home in late spring, that is usually a sign of an established interior colony and worth a closer look.
Do you remove wasp nests?
Yes, wasp and hornet nest removal is available as an add-on to Home Defense and Structure Guard, or as a one-time service. We handle paper wasps under eaves, bald-faced hornet aerials, ground-nesting yellow jackets, and the other common stinging-pest nests we see on Maine properties.
If you have an active nest near a doorway, walkway, deck, or play area, do not try to handle it yourself. Give us a call and we will schedule the removal as soon as we can.
What customers tell us in our service surveys
Verified feedback from our post-visit customer surveys.
The ants are gone!!!
From office staff to the technicians everyone's been very professional in handling things. Thank you!
Everything was top notch.
Collected through the survey we send after every visit. Names shortened for privacy.
Where we provide Home Defense in Maine
Structural pests look for a way indoors everywhere. We provide perimeter home defense across central Maine and Downeast, including:
Home Defense pairs naturally with our other Pest Management programs
Many of our customers run Home Defense alongside Flea & Tick (tick management) and Yard Guard (mosquito management) for full warm-season protection of the home and the outdoor spaces. Our Pest Management program is where these targeted services come together as a coordinated plan.
See our Pest Management programTired of pests finding their way inside?
We will walk the property, identify the entry points and any active nests, and recommend a Home Defense or Structure Guard program that fits. Drawing on 40 years of experience in central Maine and Downeast.
Or call (207) 989-1433