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Where Are Pests Getting In? 10 Tiny Openings Around Your Phoenix Home

Where Are Pests Getting In? 10 Tiny Openings Around Your Phoenix Home

hidden-pest-entry-points-phoenix
Phoenix Pest Control
Oct 16, 2026

10 Hidden Pest Entry Points in Your Phoenix Home

You keep your doors closed, your windows shut, and your home clean, but still pests manage to get inside. You may wonder why you're still seeing cockroaches, ants, and scorpions in your house even though you do everything right. The answer may be hiding in plain sight.

Pests can squeeze through surprisingly small cracks, gaps, and openings around your home's exterior. And in Phoenix, where extreme heat can drive pests to seek cooler shelter, those tiny entry points are like a welcome mat for pests of all kinds.

Here are 10 commonly overlooked entry points around your Phoenix home.

10 Places Pests May Be Sneaking Into Your Home

1. Gaps Beneath Exterior Doors

Even a narrow opening beneath your front door, back door, or garage entry door can allow ants, cockroaches, and scorpions to get inside.

What to do: Install or replace worn door sweeps and check weatherstripping around the entire doorframe.

2. Cracks Around Window Frames

Arizona's intense sun and fluctuating temperatures can cause exterior caulking to crack and peel away, leaving small gaps around window frames.

What to do: Inspect window perimeters and reseal cracks with an exterior-grade sealant.

3. Damaged Window Screens

A tiny tear in a window screen can invite mosquitoes, flies, and other insects.

What to do: Repair torn screens and make sure they fit securely within their frames.

4. Openings Around Plumbing Pipes

Where plumbing lines enter your home, small gaps may exist between the pipes and surrounding walls, offering hidden access for insects and rodents.

What to do: Inspect plumbing penetrations and seal gaps with suitable materials.

5. Gaps Around Air Conditioning Lines

Your air conditioning system works hard during Phoenix summers. Unfortunately, openings where refrigerant lines and other components pass through exterior walls can become pest entry points.

What to do: Check these penetrations and have gaps properly sealed without interfering with the equipment.

6. Cracks in Stucco and Exterior Walls

Stucco is common throughout Phoenix, but cracks and deteriorating areas can create openings that insects can take advantage of.

What to do: Examine exterior walls periodically and repair cracks before they get worse.

7. Garage Door Gaps

Your garage door may look completely closed while leaving small openings along the bottom or sides where rodents, cockroaches, and scorpions can enter.

What to do: Check the bottom seal and side weatherstripping for damage or poor contact.

8. Attic and Roof Vents

Ventilation openings help your home breathe, but damaged or missing screens can give pests access to attic spaces.

What to do: Inspect accessible vents for damaged screening. Never block ventilation openings.

9. Gaps Around Utility Connections

Electrical conduits, cable lines, and other utility connections often pass through exterior walls, with small spaces surrounding these penetrations acting as entry points.

What to do: Seal gaps with suitable materials, but leave electrical work up to qualified professionals.

10. Cracks Where the Foundation Meets the Walls

Pay special attention to the area where your home's foundation meets its exterior walls, as small gaps along this transition invite crawling insects inside.

What to do: Look for visible cracks, moisture problems, and signs of pest activity. Have significant cracks professionally evaluated.

Sometimes the smallest openings cause the biggest headaches. A little attention to weatherstripping, screens, exterior cracks, and utility penetrations can help reduce opportunities for pest entry.

Contact Frontino Pest Control

Are you seeing signs of an infestation? Don't wait for the problem to spread. Contact Frontino Pest Control today at (602) 338-9223 to schedule your free pest inspection and estimate.


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