Northglenn's tight-knit older neighborhoods, mature trees, and proximity to Croke Reservoir push pests right up against homes. ExtermiSafe is a Brighton-based, family-owned team that treats Northglenn the way locals expect.
Northglenn's mature tree canopy and older homes create chronic entry points for rodents, spiders, and box elder bugs. Croke Reservoir and nearby greenbelts keep moisture and harborage close. When seasons shift, those pests don't disappear — they push indoors looking for warmth.
Get a Free QuoteMost Northglenn calls involve box elder bugs, spiders, wasps, mice, and persistent ant pressure around foundations.
Northglenn's older concrete foundations and aging sill plates create countless entry points for pavement and odorous house ants. Dense landscaping and mature trees provide foraging corridors right up to home exteriors. Ant pressure peaks in spring and early summer as colonies expand after Colorado's cold winters, and kitchens in 1960s–70s homes with original cabinetry are especially vulnerable.
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Mice exploit the deteriorating sill plates, gaps around aging utility penetrations, and cracked foundations common in Northglenn's older housing stock. As temperatures drop in fall, they push indoors through openings as small as a dime — a particular problem in homes that haven't had recent weatherization. The greenbelts and Croke Reservoir area provide abundant harborage that keeps local mouse populations high year-round.
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Norway rats thrive in Northglenn's dense residential blocks, especially near older storm drains, alley trash enclosures, and the vegetated edges of Croke Reservoir. Aging crawl spaces and deteriorating wood framing in 1960s–70s homes give rats easy nesting sites once they breach the exterior. Rat activity typically spikes in late fall as outdoor food sources diminish and animals seek warmth.
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Northglenn's mature tree canopy and established shrub beds create ideal hunting habitat for wolf spiders, cellar spiders, and hobo spiders. Older homes with unfinished basements and cluttered crawl spaces give spiders undisturbed harborage close to the living area. Spider populations surge in late summer and fall as they move indoors ahead of Colorado's first frosts.
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Black widows are a genuine concern in Northglenn, nesting in undisturbed corners of garages, sheds, and the crawl spaces common in the city's original ranch-style homes. Woodpiles stacked against exterior walls — a common sight in older neighborhoods — are a prime harborage site. Encounters increase in late summer when females are most active and homeowners begin moving stored items.
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Paper wasps and bald-faced hornets readily nest in the wide eave overhangs and deteriorating wood trim characteristic of Northglenn's 1960s–70s construction. Mature trees throughout the city provide secondary nesting sites that can go unnoticed until colonies are large. Wasp activity peaks mid-summer and becomes aggressive in August and September as colonies reach maximum size before Colorado's first freeze.
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Yellow jackets are a persistent problem in Northglenn, frequently nesting in the ground voids and wall cavities of older homes where insulation has settled or been disturbed. The city's parks, greenbelts, and outdoor dining areas near Northglenn Crossing attract foraging workers throughout late summer. Underground nests near foundations are especially hazardous and difficult to locate without professional inspection.
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Box elder bugs are one of Northglenn's most visible fall nuisances, congregating by the thousands on south- and west-facing walls of older homes as they seek warmth before winter. The city's mature box elder and maple trees — planted widely during the 1960s–70s development era — sustain large local populations. Once inside through gaps around windows and utility lines, they overwinter in wall voids and emerge again in spring.
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Earwigs thrive in Northglenn's well-irrigated yards and the moist mulched beds surrounding mature landscaping. They shelter under stepping stones, landscape timbers, and the deteriorating wood trim at ground level on older homes. Earwigs move indoors through foundation gaps and door thresholds during dry spells or extreme heat, often appearing in basements and bathrooms.
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Carpenter ants are a serious structural concern in Northglenn given the prevalence of aging wood framing, moisture-damaged sill plates, and old-growth trees with hollow sections throughout the city. They don't eat wood but excavate galleries in softened timber — a process that accelerates in homes with slow roof leaks or poor crawl-space ventilation. Large satellite colonies are commonly found in wall voids of 1960s–70s ranch homes.
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Silverfish flourish in the humid basements and crawl spaces of Northglenn's older homes, feeding on starch-based materials like cardboard boxes, old books, and wallpaper adhesive common in mid-century construction. Poor crawl-space ventilation and aging plumbing that creates condensation keep moisture levels high enough to sustain year-round populations. They are a reliable indicator of underlying moisture problems that also attract other pests.
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Subterranean termites are an underappreciated risk in Northglenn, where aging wood-to-soil contact points, deteriorating form boards, and old landscape timbers create direct access to structural framing. Colorado's Front Range has established termite pressure, and Northglenn's mature, irrigated yards keep soil moisture elevated — ideal foraging conditions. Homes built in the 1960s–70s often lack modern termite barriers, making professional inspection especially important.
Learn more →Marshall Lake · Croke Reservoir · Northglenn Crossing · Stonehocker Farm · Hillcrest · Sherwood Park · Stonehome Estates
Yes — Northglenn is inside our regular service area, and we cover the surrounding North Denver metro as well. If you want to confirm your exact address is on the route, check your ZIP on our service area page or just call and ask.
It depends on the pest, the size of the property, and how far along the problem is — a single wasp nest and a recurring mouse problem are not the same job. We quote it free, in writing, before any work starts, and there is no contract to sign.
Safety is the reason we work Integrated Pest Management first: we find and remove what is attracting the pest, seal the way in, and use the most targeted, lowest-impact product that will actually solve it — instead of blanket-spraying a house. Your technician tells you exactly what was applied and when it is dry.
We come back and re-treat at no extra charge. Our work is warranty-backed, so a pest returning between scheduled visits is our problem to fix, not a new invoice.
No. There is no term contract and no cancellation penalty. Most Northglenn customers stay on a recurring plan because it keeps pressure off the house year-round, but you can stop any time.
Yes — ExtermiSafe is licensed and insured in Colorado, and we are locally owned and operated rather than a national franchise. The person who answers the phone is the same company that shows up.
Great service!!! Very thorough!!!
ExtermiSafe Pest Control is the most effective service around! Brandon is an expert at specific pest issues while alao keeping my home, inside and out, overall, safe and free from all pests! I highly recommend his regular service year-round for best results. Very economical, too!
Great work clean efficient and professional. The smaller companies I way better to go with then mega corp they are reasonable and down to earth
Amazing job! Courteous and professional!! I have used them multiple times and jobs are always well done!!
I needed an exterminator in a pinch and ExtermiSafe came through and sprayed around the house and was very nice and easy to deal with, Justin was a cool guy and I will pay for there services again.
Excellent and thorough service. Very respectful. he was able to do some preventative work as well as take care of the immediate issue. Highly recommend.
Brandon was on time, prompt and professional and got rid of the nest under our front door. Would highly recommend again!
Brandon did an absolutely outstanding job on our home! From the moment he arrived, he was incredibly kind, patient, and professional. He took the time to answer all of our questions, explained everything he was doing, and never made us feel rushed. It was obvious how hard he worked to make sure the job was done right. He was thorough, detail-oriented, and genuinely cared about providing the best service possible. Since Brandon treated our home, we haven’t had a single issue, and the results have been fantastic. It’s hard to find someone who combines excellent workmanship with such a positive attitude, but Brandon does exactly that. If you’re looking for someone reliable, knowledgeable, and who truly goes above and beyond, I can’t recommend him enough. Thank you, Brandon, for the amazing work!
I had a great experience with ExtermiSafe Pest Control. Brandon was on time, professional, and very knowledgeable. He took the time to explain the treatment process, answered all of my questions, and never tried to upsell me. Since the service, I've noticed a huge improvement, and the pests are gone. It's refreshing to work with someone who genuinely cares about their customers. I highly recommend Brandon and ExtermiSafe Pest Control to anyone looking for reliable and honest pest control service.
I couldn’t be happier with my experience with Brandon, he’s very attention to detail, hits every nook and cranny. I’ve had problems with past pest control companies showing up for 5 minutes and that’s a $250 service.
