Pest control in Portland is carpenter ants in damp wood, with the crawl and the rim joist as the usual address. They follow rot from rain on the siding, a leaking gutter, or a bath wall that never dried. Mice are a colder-month complaint at gaps the wind opened, and they are not the same visit. Name what you saw. Closing the entry and dealing with the soft wood is the work.
Frass that looks like sawdust, wings on a sill, and a faint rustle in a wall are enough to start. Moisture ants in a soaked crawl are a different insect from carpenter ants in the framing. Wasps use porch ceilings and eaves. Refuse a plan that never names the animal. Spiders in a basement-level corner or a hatch are a complaint, not a diagnosis. Say if the nest is the living space, the crawl, or a shed against the firs.
Fir debris and a shrub grown into the siding are bridges, and a gutter full of needles keeps the wall wet enough to recruit the colony. Time the closure with roof, gutter, or siding work so the new piece does not bury the entry. Keep stored boxes off the mudsill. Say how they are getting in if you have watched the trail.
Say how many seasons the trail has repeated. One winged insect and a population in the rim are different scopes. West-hills shade keeps wood wet longer than a sunnier east-side wall, and both still fail when a gap stays open. Droppings in a furnace closet belong in the scope if rodents have taken that room. The equipment should not be a nest. A photo of the frass is enough. Do not wait for a Latin lecture.
Say the pest, the part of Portland, and whether the crawl is where they live. Mention soft wood, a leaking gutter, or a bath wall if that is the path. Do not give them another wet season to finish the joist. The ants are not confused about the address. Call the number on this page.