Romex Pest Control
Professional pest control services in Knollwood, Texas
Serving Knollwood Heights, North Knollwood & More

Knollwood Pest Control

Romex Pest Control technician providing professional pest control service in Knollwood, Texas

Knollwood is a small city in Grayson County, Texas, located just north of Sherman along U.S. Highway 75. The city is primarily residential and is situated near the western edge of the Red River Valley, offering convenient access to both Sherman and nearby recreational areas like Lake Texoma. Knollwood was incorporated in 1972 and is known for its quiet neighborhoods and proximity to regional employers in Sherman. From Lake Texoma to Post Oak Creek, Romex treats Grayson County properties with proven local expertise and same-day response.

Top Knollwood Pest Threats

  • Termites
  • Mosquitoes
  • Ants
  • Cockroaches
  • Spiders
  • Rodents

Same-Day Service • Sentricon® Certified • Satisfaction Guaranteed

Call (844) 955-2447
TDA Licensed
Sentricon® Certified
Grayson County
Step 1 of 5

What type of property needs service?

Note: We do not service trailer homes or vehicles.

Rollins, Inc. logo

Locally Managed & Operated. Backed by National Resources.

Romex joined the Rollins, Inc. family in 2026, but Romex continues to operate independently—same local Knollwood management, same technicians, same culture. Rollins acquires brands and lets them run with their established operations. What you get: the same locally managed Romex service, now backed by world-class training and resources. We also offer all-natural pest control options upon request—just ask your technician.

Why Does Knollwood, Texas Need Professional Pest Control?

Population: ~432 · Grayson County

Knollwood is a small city in Grayson County, Texas, located just north of Sherman along U.S. Highway 75. The city is primarily residential and is situated near the western edge of the Red River Valley, offering convenient access to both Sherman and nearby recreational areas like Lake Texoma. Knollwood was incorporated in 1972 and is known for its quiet neighborhoods and proximity to regional employers in Sherman.

Knollwood sits on gently rolling terrain with clay and loam soils characteristic of the Blackland Prairie region of North Texas. The city is at an elevation of approximately 750 feet, with drainage influenced by nearby tributaries of Post Oak Creek. Its proximity to the Red River and Lake Texoma supports a variety of native vegetation and creates habitats that can harbor both urban and rural pests.

Notable Local Features

Lake Texoma
Post Oak Creek
Sherman Municipal Airport
Herman Baker Park
Harber Wildlife Museum (Sherman)

What Pest Problems Does Your Knollwood Neighborhood Face?

Knollwood Heights

Primary residential area with single-family homes and mature trees.

Mosquitoes from nearby creeks and occasional rodent activity due to adjacent open fields.

North Knollwood

Northern edge of the city bordering rural land and open lots.

Increased wildlife intrusion, including raccoons and opossums, especially in spring.

South Knollwood

Area closest to U.S. Highway 75 and commercial activity.

Ant infestations and periodic issues with cockroaches due to higher traffic and nearby businesses.

Knollwood Pest Pressures: A Closer Look

What our licensed technicians see on the ground in Grayson County.

Termites in Grayson County

Termite pressure in Knollwood reflects the region's humid subtropical climate and long warm season. Homes built on concrete slabs — particularly in neighborhoods like Knollwood Heights — provide subterranean colonies hidden access through plumbing penetrations and expansion joints. Mature tree canopies near Lake Texoma contribute to elevated soil moisture that accelerates colony growth. Romex certified applicators conduct annual monitoring with non-invasive bait stations and thermal imaging, catching active tubes before structural damage reaches the sills or sub-floor. Warranty-backed liquid treatments from Termidor or Taurus SC seal the perimeter for up to ten years.

Prevention tip: Keep mulch, firewood, and landscaping timbers at least 12 inches away from foundation walls and never stack firewood against the house.

Mosquitoes in Grayson County

Mosquito populations in Knollwood surge from April through October, driven by heavy spring rainfall and standing water that collects in gutters, bird baths, bromeliad pockets, and drainage ditches. North Knollwood sees particularly high pressure because increased wildlife intrusion, including raccoons and opossums, especially in spring.. Our service crews have documented heavy activity within 500 feet of Post Oak Creek, where untreated vegetation provides daytime harborage for Aedes albopictus and Culex quinquefasciatus. We apply In2Care stations and barrier treatments with Talstar P that last up to 30 days per application.

Prevention tip: Walk your property weekly and dump any standing water — a discarded bottle cap can breed 300 mosquitoes in seven days.

Ants in Grayson County

Ant diversity is high in Knollwood: we routinely identify fire ants, sugar ants (odorous house ants), rover ants, acrobat ants, and carpenter ants on a single property. Knollwood Heights is a textbook case — mosquitoes from nearby creeks and occasional rodent activity due to adjacent open fields. Near Lake Texoma, crazy ants have been documented on a few properties, requiring specialized bait protocols. Romex applicators never recommend over-the-counter aerosols for trails because they scatter satellite colonies and make the problem worse.

Prevention tip: Seal gaps around exterior pipe penetrations and weather-stripping; most indoor ant trails originate at these entry points.

Cockroaches in Grayson County

Oriental cockroaches ("black beetles") thrive in the cool, damp spaces under Grayson County homes — crawl spaces, storm drains, and garage corners. Knollwood Heights homeowners call about them most often in early fall, when roaches seek warmer harborage. Our inspection covers the foundation perimeter for harborage (leaf litter, mulch depth, downspout splash zones) before any product goes down. We follow up with crack-and-crevice Premise 0.05 applications in areas of high moisture.

Prevention tip: Inspect any secondhand appliance (especially microwaves, toaster ovens, mini fridges) before bringing it indoors — German cockroaches hitchhike inside.

Why Do Knollwood Homeowners Choose Romex?

Grayson County Experts

Our technicians understand Knollwood's unique Blackland Prairie clay soils and how they affect pest movement and treatment effectiveness.

Creek Mosquito Specialists

We target breeding sites along Knollwood's drainage creeks with specialized larvicide treatments to break mosquito life cycles.

Wildlife Exclusion Pros

Expert raccoon and opossum exclusion services for homes near Knollwood's open fields, especially during active spring intrusion season.

Fast Local Response

Quick service to all Knollwood neighborhoods including Knollwood Heights with our nearby DFW regional technicians.

Local Pest Control Regulations in Knollwood

All Romex technicians are licensed by the Texas Department of Agriculture (TDA) and follow state guidelines for pesticide application. Some Knollwood neighborhoods may have HOA landscaping requirements that affect pest control placement.

Knollwood Climate & Pest Activity

Local Climate Impact

Knollwood experiences a humid subtropical climate, with average summer highs near 94°F and winter lows around 33°F. Annual rainfall averages close to 40 inches, with high humidity in spring and summer months. This climate favors the proliferation of mosquitoes, ants, and termites, especially after heavy rains.

Why Knollwood Faces Unique Pest Pressures

Knollwood's proximity to Post Oak Creek and the wooded areas of the Red River Valley contribute to persistent mosquito and tick populations. Rich loam and clay soils are conducive to termite colonies, while the mix of urban and open land supports rodents and occasional wildlife pests. The city's tree cover and nearby water sources increase pest habitats, especially during wet seasons.

Knollwood Seasonal Pest Calendar

Spring (Mar-May)

High Activity
termites
mosquitoes
ants

Spring rains and warming temperatures promote termite swarms and a surge in mosquito breeding along Post Oak Creek. Ant activity also increases in residential yards.

Summer (Jun-Aug)

High Activity
mosquitoes
ants
spiders
wasps

High heat and humidity drive peak mosquito populations, especially near water. Wasps and ants become more aggressive, and spider sightings increase in shaded areas.

Fall (Sep-Nov)

Moderate
rodents
spiders
ants

Cooler nights push rodents indoors, while spiders and ants remain active as they seek shelter. Pest pressure shifts from outdoors to inside homes.

Winter (Dec-Feb)

Moderate
rodents
cockroaches

Rodents look for warmth in garages and attics, and cockroaches may invade homes from surrounding fields and businesses near the highway.

Pro Tip: Knollwood homeowners save up to 40% with year-round protection plans that proactively treat for seasonal pests before they become infestations.

💡Did You Know About Knollwood?

Due to its location near Post Oak Creek, Knollwood has historically seen occasional increases in mosquito-borne illnesses, prompting community-wide pest control efforts after major rain events.

Why Knollwood Trusts Romex Pest Control

Licensed & Insured

TDA-licensed professionals serving Grayson County since 2016. Full liability and workers' compensation coverage.

Targeted Treatment Approach

Professional pest control tailored to Knollwood's local conditions. Targeted treatments that minimize chemical use while maximizing effectiveness. We also guide homeowners on IPM strategies they can implement between visits.

Sentricon® Certified

Certified specialists in Sentricon® Always Active™ termite baiting. Essential protection for Grayson County properties.

Frequently Asked Questions: Pest Control in Knollwood

Straightforward answers to the most common pest control questions from Knollwood homeowners — from pricing and service schedules to local pest pressures.

What are the most common pests found in Knollwood, Texas homes?

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Residents often encounter ants, spiders, mosquitoes, and termites, especially near wooded and creekside areas.

Does Knollwood's proximity to Lake Texoma increase pest problems?

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Yes, the nearby lake and creeks create optimal breeding grounds for mosquitoes and can attract wildlife to the area.

How does Grayson County's climate affect pest activity in Knollwood?

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Warm, humid summers and frequent rainfall encourage higher populations of mosquitoes, ants, and termites.

Are wildlife pests like raccoons or opossums a problem in Knollwood?

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Yes, especially in neighborhoods bordering open fields or the rural northern edge, wildlife can be an occasional nuisance.

What time of year is termite activity highest in Knollwood?

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Termite swarming is most common in late spring and early summer, particularly after rainy periods.

Does Knollwood have any community pest control initiatives?

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After heavy rains, the city often coordinates with Grayson County for mosquito spraying near creek and drainage areas.

What pests are most common in the Knollwood Heights area of Knollwood?

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Knollwood Heights residents call Romex most often about termites, ants, and mosquitoes. Mosquitoes from nearby creeks and occasional rodent activity due to adjacent open fields. Our technicians recognize the specific pressures in Knollwood Heights — from mature landscaping to water features and wooded edges — and tailor treatments accordingly. If you live in Knollwood Heights, schedule a no-obligation assessment to map the pressure points on your property before the next seasonal surge.

Is pest control worth it in Knollwood, Texas?

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Professional pest control is worth the investment for most Knollwood homeowners because the year-round pressure from termites, ants, and mosquitoes in Grayson County outpaces what over-the-counter products can handle. A trained technician finds entry points, harborage, and breeding sites homeowners miss, treats them with targeted EPA-registered products, and returns on an every-other-month to quarterly cadence so the residual barrier never weakens past effectiveness and small issues don't escalate into structural damage or repeat infestations. Romex pricing scales with the size of your home and the severity of the problem, and every recurring plan is backed by a free re-treatment guarantee between visits.

When is the best time of year to treat for termites in Grayson County?

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The ideal first termites treatment window in Grayson County is early spring (March–April) before populations peak. A follow-up in late summer or early fall locks in protection through the rest of the warm season. Romex's every-other-month and quarterly plans are built around this cycle, with each visit timed to catch the species driving the highest pressure at that point in the calendar — and spaced close enough that the residual product barrier stays effective between visits. One-time treatments are available but rarely provide lasting control in our regional climate.

How often should you spray for bugs in Texas?

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Romex recommends an every-other-month to quarterly spraying cadence for Texas homes — roughly every 60 to 90 days. That interval is tight enough that the residual product barrier stays strong against each seasonal pest wave, and loose enough to keep service affordable. Stretching past 90 days lets the active ingredients weaken to the point they become ineffective and pest populations rebuild inside the barrier before the next visit. Higher-pressure properties (near wooded edges, water features, or with an active infestation of termites) do best on every-other-month service; lower-pressure homes hold well on the quarterly plan. Spraying once or twice a year rarely holds up through a full Texas summer.

How much does pest control cost in Knollwood, TX?

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Pest control pricing in Knollwood depends on two main factors: the size of your home or property and the severity of the current pest pressure. A smaller townhome with routine seasonal activity looks very different from a larger single-family home in Grayson County with an active termites problem. Romex provides free on-site quotes after a technician walks your property, and homeowners who commit to an annual plan typically receive the best per-visit pricing versus one-time treatments.

How much does termite treatment cost in Knollwood?

▼
Termite treatment in Knollwood is quoted based on the linear footage of your home's perimeter, the soil and slab conditions around the foundation, and how established the colony has become by the time inspection happens. Knollwood Heights homes in particular face elevated pressure because of mature landscaping and aging construction. A small preventive Sentricon® installation on a modest home is on the lower end, while a full liquid-barrier treatment plus bait-station monitoring for a larger property with active damage lands much higher. The accurate figure only comes out of a free on-site inspection — Romex never quotes termite work blind over the phone.

When should I start mosquito control in Knollwood?

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In Knollwood and the rest of Grayson County, the ideal window to start mosquito control is early spring — typically March — before populations begin breeding in standing water. Properties near Lake Texoma typically see the highest activity due to surrounding green space and water features. Romex mosquito programs in Texas heat and humidity run on roughly 21–28 day service intervals from March through October, with a lighter winter cadence in outlying months. Starting before you see the first bites of the season keeps pressure low all summer and is far more effective than reacting after a heavy hatch.

How often should my home in Knollwood be treated for pests?

▼
Romex recommends an every-other-month to quarterly service cadence for Knollwood homes. That range — roughly every 60 to 90 days — is the sweet spot: short enough that the residual insecticide barrier stays strong against termites, mosquitoes, and ants and seasonal pressure in Grayson County, long enough to keep service affordable. Stretching past 90 days lets the active ingredients weaken to the point they become ineffective, and pest pressure rebounds before the next visit. Homes with higher pressure (near wooded edges, water features, or with an active infestation) do best on every-other-month service, while lower-pressure properties hold well on the quarterly plan.

Do I need rodent exclusion work on my Knollwood home?

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Rodent exclusion makes sense in Knollwood when a technician finds active entry points during inspection — gaps around rooflines, utility penetrations, garage door seals, or foundation weep holes. For homes with confirmed mouse or rat activity, sealing those entries is the only long-term fix; bait and traps alone just churn through a population that keeps re-entering. Romex quotes exclusion separately from routine service, and the scope depends on the size of the home, roof type, and number of access points found during the no-obligation assessment.

What factors affect pest control pricing in Knollwood?

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Three variables drive pricing for every Knollwood property: the size of your home and lot, the severity of the current infestation, and the specific pests being targeted. A 1,500-square-foot home on a standard lot on our every-other-month or quarterly maintenance plan sits at the lower end of the range, while a larger home in Grayson County with active termites damage or a recurring pest like German cockroaches requires more product, more time on-site, and specialty treatments. The best way to get an accurate number is to schedule the free Romex inspection so a technician can walk your specific property before quoting.

Is professional pest control worth it in Knollwood?

▼
For most Knollwood homeowners, yes — the year-round pest pressure from Texas heat and humidity means DIY products rarely hold up through a full season. Knollwood Heights homes in particular face elevated pressure because of mature landscaping and aging construction. Professional service brings targeted, regulated products, a trained technician who finds entry points and breeding sites you'd miss, and an inspection-first approach that treats the root cause instead of surface activity. Romex backs every visit with a satisfaction guarantee: if pests return between scheduled services, we re-treat at no additional charge, so the recurring plan pays for itself in avoided damage and repeat DIY spend.

Are Romex pest control treatments safe for kids and pets in Knollwood?

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Romex treatments in Knollwood are designed around child- and pet-safe protocols — EPA-registered products, targeted application rather than broad indoor fogging, and clear dry-time guidance so your family can return to treated areas safely. Technicians apply products to exterior perimeters, cracks and crevices, and pest-pressure zones rather than open floor surfaces. If you have pets with specific sensitivities or very young children, tell the technician at the no-obligation assessment; we can route around sensitive zones or use lower-profile product classes without sacrificing effectiveness.

Verified Treatment Activity in Knollwood

Real pest treatment data from our Knollwood service records — not estimates.Updated July 2026

2,366
Total Treatments (90 days)
1,846
General Pest Control
520
Specialized Treatments

General Pest Control — Knollwood

Quarterly & preventive treatments for common household pests

General Pest Control
1,401treatments
Rising
Ants
125treatments
Rising
Cockroaches
86treatments
Rising
Spiders
80treatments
Stable
Fleas & Ticks
63treatments
Stable
Wasps & Stinging Insects
45treatments
Stable

Specialized Treatments — Knollwood

Targeted treatments requiring specialized protocols & equipment

TermitesSpecialized
207treatments
Rising
MosquitoesSpecialized
161treatments
Rising
RodentsSpecialized
67treatments
Stable
Bed BugsSpecialized
47treatments
Rising
Data sourced from Romex Pest Control FieldRoutes service records. Last synced July 2026. Counts reflect completed treatments in the Knollwood area over the past 90 days.

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Knollwood, Texas Service Area

Romex technicians route through Knollwood daily. The map below shows the city and surrounding area we serve.

Landmarks nearby:
Lake Texoma
Post Oak Creek
Sherman Municipal Airport
Herman Baker Park
Harber Wildlife Museum (Sherman)
Loading Knollwood service area…

Nearest Romex Pest Control Office

6829 K Ave #104, Plano, Texas 75074

(469) 925-0400

Mon–Fri 8am–6pm, Sat 9am–2pm

Pests Active Now in Knollwood

mosquitoes
ants
spiders
wasps

Summer activity — schedule preventive treatment now.

“Romex solved our terrible mosquito problem near the creek in North Knollwood. Haven't had issues since their seasonal treatments started!”

— Knollwood Customer

Knollwood Service Areas

  • ✓ Knollwood Heights
  • ✓ North Knollwood
  • ✓ South Knollwood

Serving Near

  • • Lake Texoma
  • • Post Oak Creek
  • • Sherman Municipal Airport
  • • Herman Baker Park
  • • Harber Wildlife Museum (Sherman)

Wondering about pricing? See our Knollwood Pest Control Cost Guide →

Ready to Protect Your Knollwood Property?

Get a free pest control quote today and join hundreds of satisfied customers in Knollwood.

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