What can I do to help prevent ants?

You can help prevent ants by sealing entry points and reducing food sources. Consistent exterior protection does the rest, stopping ants before they ever get inside.

Gene Wright began professional pest work in 1998, and founded Planet Friendly Pest Control in 2010 to bring that experience to homeowners across Northern Virginia and Southern Maryland.

After inspecting homes across Northern Virginia and Southern Maryland since 1998, we’ve seen that ants don’t need much to get started.

Ants are opportunity-driven. A tiny gap along the foundation, a crumb under an appliance, or moisture near an entry point is all it takes for a scout ant to report back to the colony.

Once ants confirm a reliable path and food source, activity ramps up quickly. Prevention works best when you remove those opportunities and block access before trails form.

Preventing ants isn’t about making your home perfect—it’s about closing obvious doors and reducing attraction.

Even very clean homes can get ants if entry points are open or exterior conditions favor nesting. On the other hand, homes with minor crumbs but good exterior protection often stay ant-free.

The most successful prevention combines homeowner habits inside with professional protection outside.

Professionals focus on what homeowners can’t easily see.

The process includes:

This exterior-first approach lowers ant pressure around the home so interior spaces never become targets. Interior treatments are rarely needed when prevention is done correctly.

• Inspecting exterior entry points and foundation gaps
• Identifying nesting and pressure areas outside
• Reducing ant activity before it reaches the structure

Safe, effective steps you can take include:

These steps don’t eliminate outdoor colonies—but they dramatically reduce attraction and access.

• Seal visible cracks and gaps around doors, windows, and foundations
• Store food in sealed containers
• Wipe up crumbs and spills promptly
• Avoid leaving pet food out overnight
• Take trash out regularly
• Fix leaks and reduce moisture under sinks
• Keep mulch and soil from touching siding

If you’ve sealed gaps and cleaned regularly but ants still return, the pressure is coming from outside the home.

A professional inspection can identify where ants are nesting and how they’re bypassing your efforts. Addressing that early prevents repeat problems and keeps prevention simple.

Will sealing entry points alone stop ants? It helps, but exterior colonies still need to be addressed.

Does cleanliness really matter? Yes. Fewer food sources mean fewer reasons for ants to enter.

Is this common locally? Very. Our climate and housing styles make prevention essential.

Homeowners want control without overreacting. They want to know what actually helps—and what doesn’t. After decades of local experience, we know small prevention steps paired with exterior protection make the biggest difference.

Many companies focus only on treatment without explaining how homeowner habits support long-term results. Prevention works best when both sides do their part.

At Planet Friendly Pest Control, we’ve been helping homeowners prevent ant problems since 1998. Our inspection-driven, exterior-focused approach uses the least amount of product necessary to stop ants at the source—so sealing gaps and reducing crumbs actually works.

Start With a Professional Ant Inspection