Carpenter ants are known for their ability to destroy wood, not by consumption, but through excavation to build their nests. These ants usually exhibit a black or brownish color, and workers can measure up to 0.5 inches, with queens reaching as large as an inch. Unlike termites, carpenter ants cut through the wood to create galleries to live in, not to ingest it, making regular home inspections critical.

Spotting the signs early can help prevent extensive damage. Here are some common indicators that carpenter ants have settled into your drywall:

Carpenter ants are particularly attracted to moist and decaying wood, which can often be found in:
If left unchecked, carpenter ants can cause severe structural damage to your home. Their tunneling weakens wooden structures, potentially threatening the integrity of walls, beams, and other critical components. In regions like the Pacific Northwest where the climate favors these pests, their damage can rival even that of termites.
Once you've identified a potential infestation, it’s essential to take immediate action to prevent any further damage:
For proactive homeowners, regular maintenance and vigilance are key. Check out this guide on preventing carpenter ant infestations for useful prevention tips and techniques.
Look for signs such as faint rustling sounds from within the walls, piles of frass near baseboards, and physical sightings of ants inside your home. Scratching or rustling noises are strong indicators of nesting activity.
Yes, carpenter ants can tunnel through drywall, especially when it is damp. They create these tunnels to build galleries for their colonies. If your home has moisture issues, it could be at a higher risk for these damage patterns.
Immediately reach out to a professional pest control service to inspect your home. It's important to address the issue quickly to prevent further structural damage and ensure the colony is fully eradicated. For comprehensive damage prevention, visit this expert article on carpenter ants.
http://bit.ly/carpenterant-control Click here for more about carpenter ants and the pro-grade products featured in the video!
{"@context":"https://schema.org","@type":"BlogPosting","headline":"Drywall Signs of Carpenter Ants","url":"https://www.architectureadrenaline.com/drywall-signs-of-carpenter-ants/","datePublished":"2025-05-27T23:28:27-07:00","dateModified":"2026-05-15T18:08:40-07:00","author":{"@type":"Person","name":"Matt Thompson","sameAs":["https://www.linkedin.com/in/architectureadrenaline/","https://twitter.com/archiadrenaline"]},"image":{"@type":"ImageObject","url":"https://www.architectureadrenaline.com/wp-content/uploads/2025/05/pexels-photo-4112213-800x534.jpg","width":1200,"height":630},"publisher":{"@type":"Organization","name":"Architecture Adrenaline","logo":{"@type":"ImageObject","url":"https://architectureadrenaline.com/wp-content/uploads/logo.png"}},"breadcrumb":{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://architectureadrenaline.com/"},{"@type":"ListItem","position":2,"name":"Drywall Signs of Carpenter Ants","item":"https://www.architectureadrenaline.com/drywall-signs-of-carpenter-ants/"}]},"mainEntityOfPage":{"@type":"WebPage","@id":"https://www.architectureadrenaline.com/drywall-signs-of-carpenter-ants/"}}
Immerse yourself in architecture’s most boundary-pushing ideas—where innovative home improvements meet visionary urban developments. Discover new building techniques, materials, and creative concepts that are redefining how we shape our spaces on a global scale.