Carpenter Ants

– Look for large black ants near windows and eaves.
– Hear rustling in walls at night in old homes.
– Find sawdust piles near baseboards or porch posts.
– See winged ants inside after warm spring rains.

Locate and treat parent colony with residual dust or non-repellent liquid; address moisture source driving infestation; perimeter bait application for outdoor forager control.

We find and treat the parent nest outside. We fix leaks and remove rotted wood to help.

– Eliminate moisture issues — repair roof leaks, condensation, and plumbing drips promptly.

– Trim tree branches and shrubs away from rooflines and siding.

– Store firewood off the ground and away from the house exterior.

– Seal exterior gaps, utility penetrations, and door/window frames with caulk.

– Replace any rotted or water-damaged wood before ants establish galleries.

– Trim branches away from roof and siding.

– Store firewood off the ground and away from house.

– Repair roof leaks and porch rot quickly.

Moist or decayed wood in wall voids, roof eaves, window frames, and hollow doors; satellite colonies often located in dry structural wood adjacent to a moisture-damaged parent colony outdoors.

Carpenter-ants are common in Portland, especially in wet wood. They show up near porches and roof eaves.