Derwood Ant Control
Family-owned & local since 1968
Carpenter ants from the park woods, kitchen trails, and lawn mounds. We find the nest, treat the whole colony, and keep it from coming back.
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From Your Derwood Neighbors
Trusted Ant Control in Derwood, MD — in Our Customers' Words
Hear what Northern Virginia and Maryland homeowners have to say about our service — in their own words. Real customers from real homes, sharing why they trust Better Termite with what matters most.
- Homes protected
- 100k+
- Google reviews
- 4.9★
- Years local
- 58+
Why Better Termite
Ant Control in Derwood you can trust — from $49/mo with no binding contracts.
Lower-Impact Products
Hand-picked, EPA-approved treatments selected by our research team — without 9 of the harshest products still used by most companies.
Local Ant Control Experts
Family-owned since 1968, with 300+ years of combined experience protecting Derwood homes. A licensed local tech answers the phone.
The Better Promise
Unlimited free re-services and no binding contracts — we keep coming back until your problem is gone. Cancel anytime with 30 days notice.
About Better Termite
Derwood Ant Control, From the Woodline to the Kitchen Sink
A Suburb Built Between a Forest, a Farm, and a Metro Line
Few places in Montgomery County pack as many kinds of ant habitat into one ZIP code as Derwood. On the east side, backyards run right into the woods of Rock Creek Regional Park. In the middle, the lots get big and open around the county's Agricultural History Farm Park and Needwood Golf Course. On the west side, rows of slab townhomes line the streets near Shady Grove Metro. Each of those settings grows a different ant.
That is why one Derwood neighbor fights big black carpenter ants on the deck while another has tiny brown ants at the sink, and a third finds dirt mounds killing patches of the lawn. A spray that works for one will do little for the others. Good ant control in Derwood starts with knowing which ant you have and where its colony lives.
Better Termite & Pest Control has served Maryland homes since 1968. We are family-owned, now in the third generation, and our small team adds up to 300+ years of experience. Our research team removed 9 of the harshest products common in this industry from our plans. We have serviced more than 100,000 DC-area homes and earned 1800+ reviews. Ant plans start around $49/month plus a $200 setup fee.
Local Ant Pressure
Where Derwood's Ants Nest Before They Move In
Fallen Timber Along Rock Creek
Rock Creek Regional Park covers about 1,800 acres, and much of it is the forest you see behind homes off Muncaster Mill Road and Avery Road. From the Meadowside Nature Center, more than seven miles of dirt trails wind down to Lake Frank, past downed trees and old stumps going soft in the shade. That rotting wood is where carpenter ant colonies get their start. Once a colony grows big enough, it sends out satellite nests, and the closest damp wood is often a deck, a shed, or the trim on a house at the edge of the trees.
Open Lawns and Pasture Around the Farm Park
The Agricultural History Farm Park is a working farm of about 455 acres. The homes around it in Bowie Mill Estates and the Muncaster neighborhoods tend to sit on bigger, sunnier lots. Needwood Golf Course adds more open turf. Sunny, well-drained ground is where field ants and Allegheny mound ants build their mounds. Many lawn-care routines never touch them, so the mounds get bigger every year.
Slab Construction Around Shady Grove
Derwood grew up around transportation. It began as a stop on the B&O Metropolitan Branch in the 1880s, and the Shady Grove Metro station turned the west side into townhome country a century later. New communities like Shady Grove Westside keep adding homes. Many are built on concrete slabs with attached garages. Slabs crack as they settle, and pavement ants and odorous house ants nest under them and come up through every seam.
Wooded Lots
Carpenter Ants on Derwood Lots That Back Onto the Park
If your yard ends at a wall of oaks and tulip poplars, you will see carpenter ants sooner or later. They are the big black ants, up to half an inch long, that cross the patio at dusk and turn up on the kitchen floor in April. Seeing a few foragers outside is normal. Seeing them inside every day, or finding winged ones in the house in spring, means a colony has moved in somewhere close.
Our technician Daren puts it plainly: people think you can spray carpenter ants once and be done, and that is a big mistake. They are drawn to wood rot and moisture, like a leak behind a wall or soft trim and fascia. Until that wood is fixed, they keep coming back, no matter how much product goes down. He also points out that the ants themselves do not cause the structural damage. They clean out wood that is already rotted.
Where We Find Them on Derwood Homes
- Deck ledgers, rim joists, and posts set in damp soil
- Firewood stacked against the siding or under the deck
- Fascia and soffits under gutters clogged with oak leaves
- Window sills and door frames on the shaded side of the house
- Old stumps and landscape timbers near the foundation
- Wood siding or trim on sheds at the back of the lot
Seeing piles of fine shavings under a window? Our guide to signs of carpenter ant damage shows what to look for.
Lawn Mounds
Dirt Mounds in Big Derwood Yards
Not every Derwood ant problem starts in the kitchen. On the larger, sunnier lots, the complaint is often a growing hill of loose soil in the lawn, with a ring of dead grass around it. Two ants build most of these.
Allegheny Mound Ants
Allegheny mound ants are red-and-black ants that build some of the biggest mounds of any North American ant, sometimes up to three feet tall and six feet across. To keep their mound in full sun, they inject formic acid into plants nearby. That is the bare, dead patch you see around the hill. Young trees and shrubs near the mound can die from it. They also bite hard when the mound is disturbed, so keep kids and dogs off it.
Field Ants
Field ants are larger than kitchen ants and often a dull black or silvery gray. Their nests are flatter piles of soil in the grass, along the edge of a driveway, or against a patio. They rarely move indoors, but a colony built against your foundation can send foragers in through a door sill or garage gap. If a mound is close to the house, a walkway, or the beds, point it out on your exterior visit. For more on what those piles mean, read our guide to the ant hill in your yard.
Townhomes and Slabs
Kitchen Ant Trails in Townhomes Near Shady Grove Metro
On the west side of Derwood, the ant calls sound different. Tiny brown ants marching along the backsplash. Ants in the dishwasher. A line of ants coming up through the seam where the garage floor meets the wall. These are almost always odorous house ants or pavement ants, and they are living under the slab or in the mulch along the front of the row.
Daren remembers the worst ant house he ever treated. It was a slab home with wood rot all around it and mulch piled against the walls, a fresh layer added every year. The trails around that house ran three or four ants wide. The family had dealt with ants on and off for about ten years and never connected the rot and the mulch to the ants. Once the rot was fixed, the problem ended. He still warns that a slab home will always see a few, because a slab has plenty of cracks to come up through.
Why Store Sprays Make It Worse
Odorous house ant colonies have many queens. Spray a trail with a repellent and the colony often splits into several new ones, which is why the ants seem to show up in a new room a week later. Our non-repellent treatment works the other way: foragers carry it home and share it, so the whole colony goes down. On a townhome row, we also treat the slab edges, door sills, and mulch beds, because the colony next door can use the same soil.
Ants or Termites?
Winged Ants in Spring? Make Sure They Are Not Termites
Every spring, Derwood homeowners call about "flying ants" in the basement or on a windowsill. Sometimes they are carpenter ant swarmers. Sometimes they are termites. The same wooded parkland that feeds carpenter ants is home to termite colonies too, so both show up here.
Daren has seen how costly that mix-up can be. A homeowner signed up for an ant plan to deal with flying ants. When Daren got there, they were termite swarmers, in a house that had just been fully remodeled with brand-new floors. Because the sill plate was hidden behind drywall, treatment could mean drilling through that new floor. Catching the difference early matters.
A Quick Way to Tell
- Waist: ants are pinched in the middle; termites are thick from end to end
- Antennae: ants have bent, elbowed antennae; termite antennae are straight
- Wings: ant front wings are longer than the back pair; termite wings are all the same length
- Damage: carpenter ant galleries are smooth and clean; termite galleries have mud in them
Our side-by-side guide to flying ants vs. termites has photos. If they turn out to be termites, see our Derwood termite control page, and call us for a free look.
Everything We Do
Every service we offer in Derwood — one local team, one phone call.
Core Programs
- Home Pest Control in Derwood
- Termite Control in Derwood
- Rodent Control in Derwood
- Mosquito & Tick Control in Derwood
- Extermination Services in Derwood
- Eco-Friendly Pest Control in Derwood
- Sentricon® Termite Baiting in Derwood
- IN2CARE® Mosquito System in Derwood
- Commercial Pest Control in Derwood
- Pre-Construction Termite Control in Derwood
Insects & Spiders
- Ant Control in Derwood
- Carpenter Ant Control in Derwood
- Sugar Ant Control in Derwood
- Spider Control in Derwood
- Roach Control in Derwood
- German Cockroach Control in Derwood
- Oriental Cockroach Control in Derwood
- American Cockroach Control in Derwood
- Flea Control in Derwood
- Silverfish Control in Derwood
- Carpet Beetle Control in Derwood
- Pantry Pest Control in Derwood
- Stink Bug Control in Derwood
- Lady Bug Control in Derwood
- Boxelder Bug Control in Derwood
- Cricket Control in Derwood
- Tick Control in Derwood
- Earwig Control in Derwood
- Millipede Control in Derwood
- Centipede Control in Derwood
- Pill Bug Control in Derwood
- Springtail Control in Derwood
- Clover Mite Control in Derwood
Stinging & Flying
Rodents & Wildlife
What Derwood and Montgomery County Customers Say
"We had a bad cockroach problem - we knew it was bad because of all the baby cockroaches we spotted. It took a while but Better Termite ultimately solved it and our house is cockroach free. Cindy in particular, was quick to help out and made it pain free."
"I've had nothing but great experiences for 3 years now. Their consistent, reliable service really stands out for me, and everyone is always kind and easy to talk to. I also like that they're a local, family-run business. Kamaal, who I'm gonna call my customer consultant, is fantastic—he really listens to my concerns."
"I highly recommend this company for your home pest control. Their technicians are thorough and have prevented any unwanted problems from happening on our property. During our last treatment, Jasmine took care of our outdoor spider webs without us even asking. Last summer they removed a mud dauber's nest under our deck and above our patio door. That attention to detail speaks volumes. Thank you for taking care of us!"
"The team at Better Termite & Pest control are phenomenal! I feel like my family and my home are in good hands. Everyone I have come into contact with has been responsive, pleasant and professional. The price is right and the service is superb!"
"Joann is amazing! She always takes time to talk with me and check inside boxes. I so appreciate her!! I have been using Better Termite and Pest Management for over 20 years."
"We had a bad cockroach problem - we knew it was bad because of all the baby cockroaches we spotted. It took a while but Better Termite ultimately solved it and our house is cockroach free. Cindy in particular, was quick to help out and made it pain free."
"I've had nothing but great experiences for 3 years now. Their consistent, reliable service really stands out for me, and everyone is always kind and easy to talk to. I also like that they're a local, family-run business. Kamaal, who I'm gonna call my customer consultant, is fantastic—he really listens to my concerns."
"I highly recommend this company for your home pest control. Their technicians are thorough and have prevented any unwanted problems from happening on our property. During our last treatment, Jasmine took care of our outdoor spider webs without us even asking. Last summer they removed a mud dauber's nest under our deck and above our patio door. That attention to detail speaks volumes. Thank you for taking care of us!"
"The team at Better Termite & Pest control are phenomenal! I feel like my family and my home are in good hands. Everyone I have come into contact with has been responsive, pleasant and professional. The price is right and the service is superb!"
"Joann is amazing! She always takes time to talk with me and check inside boxes. I so appreciate her!! I have been using Better Termite and Pest Management for over 20 years."
How It Works
How Our Derwood Ant Control Works
Call and Describe the Ants
Call (703) 683-2000 and a licensed technician picks up. Big and black, tiny and brown, or building dirt piles in the lawn? Where you see them narrows down the species, and we can quote your Derwood home on that first call.
A 78-Point Walk of the Property
We trace trails back toward the colony and look at what is feeding it: the woodpile, deck posts, soft fascia, gutters spilling onto the beds, lawn mounds, and the seams of the patio and garage slab.
Treatment the Colony Carries Home
Indoors, a non-repellent goes into cracks, voids, and along the routes the ants use. Foragers cannot sense it, so they walk through it and share it with the nest instead of scattering.
An Outside Band Where Colonies Live
Outside, we treat the foundation line, slab edges, deck footings, and the mulch beds. Most Derwood ant colonies nest in the yard first and only send scouts indoors.
Three Visits a Year, Free Callbacks
Triannual visits keep the outside band fresh from early spring into fall. Ants back between visits? Call and we re-treat at no extra charge. No binding contract; cancel with 30 days notice.
Your Local Office
Ant Control in Every Derwood Neighborhood
From the wooded streets of Needwood Estates and Park Overlook to Bowie Mill Estates, Redland Crossing, Mill Creek Towne, and the townhomes by Shady Grove Metro, all across ZIP code 20855.
Get in Touch
Call Us
703-683-2000Email Us
info@bettertermite.comVisit Our Alexandria (Headquarters) Office
2647 Duke StreetAlexandria, VA 22314
Office Hours
- Mon, Tue, Thu7:30 AM – 7 PM
- Wed, Fri7:30 AM – 8 PM
- Sat, Sun9 AM – 6 PM
Good to Know
Frequently Asked Questions
Still have questions? A licensed local tech picks up at (703) 683-2000.
Our Free Callback Promise
See pests between scheduled visits? We come back and retreat at no extra cost — as many times as it takes. No binding contracts, cancel anytime with 30 days notice.





