Carpenter Ant Damage in Columbia, MD: Warning Signs & When to Call a Pro
November 17, 2025
Carpenter ants are one of the most destructive pests in Maryland. They don’t eat wood like termites, but they tunnel through it — causing structural damage the longer they go untreated.
If you're a homeowner in Columbia, MD, here’s how to spot carpenter ant activity early and when to call Home Advantage Pest Services.
How to Identify Carpenter Ants
Carpenter ants are larger than typical ants and often show up around:
- Windowsills
- Door frames
- Decks
- Kitchens
- Basements
If you notice sawdust-like debris (frass), that’s a strong sign of a nest.
Warning Signs
Watch for:
- Large black ants indoors
- Soft or hollow-sounding wood
- Piles of wood shavings
- Rustling inside walls
- Winged ants in spring
Why Carpenter Ants Are Serious
They can weaken:
- Deck supports
- Beams
- Window frames
- Joists
- Exterior siding
The tunnels expand quickly and worsen over time.
DIY vs Professional Removal
Store sprays kill surface ants, not colonies.
Professional treatment eliminates:
- The main colony
- Satellite nests
- Entry points
- Future risk
Get Carpenter Ant Control in Columbia, MD
Home Advantage Pest Services offers fast, effective ant removal and long-term protection.
Homeowners in Columbia and throughout Howard County, Maryland, deal with a wide range of pests throughout the year. Our mix of wooded areas, suburban neighborhoods.
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