Pest Control Cost in Portland, OR (2026 Local Pricing)

Last updated: March 3, 2026

By James — 25-year pest control industry veteran

Pest control in Portland costs $90 to $550 for a one-time visit, with the average homeowner paying about $165. The Portland metro area (2.5 million people) has a pest profile driven by the Pacific Northwest's rainy climate, older housing stock, and extensive urban tree canopy. Carpenter ants, rats, dampwood termites, and yellow jacket wasps are the most persistent pest challenges for Portland homeowners.

This guide covers local pricing for the most common Portland-area pests, seasonal patterns, and tips for choosing a pest control company in the metro. For national pricing benchmarks, see our pest control cost guide.

Portland Pest Control Pricing by Service

Portland pest control pricing runs slightly below national averages for general treatments. Carpenter ant work costs more than the national benchmark because of the severity and frequency of infestations in Oregon's wet climate. Dampwood termite treatment is lower than the national average for termite work because localized treatment is usually sufficient, unlike the whole-home fumigation often required for subterranean termites in southern states.

Common Portland Pests and Treatment Costs

Carpenter ants ($200 to $500)

Carpenter ants are the top structural pest in Oregon, and Portland's rainy climate makes them especially prevalent. Portland receives over 43 inches of rain per year, creating consistently damp conditions in roof eaves, window frames, crawl spaces, and deck attachments. Carpenter ants do not eat wood but excavate smooth galleries inside moisture-softened lumber, leaving behind piles of fine sawdust called frass.

Large black carpenter ants foraging indoors during spring and summer are the first sign of a colony. Mature colonies can reach 10,000 or more workers, and satellite colonies inside the home are often connected to a parent colony in a nearby tree or stump. Treatment costs $200 to $500 and involves locating the colony, applying residual insecticide, and addressing the moisture source. See our ant exterminator cost guide for more detail.

Rats ($200 to $600)

Rats are a growing problem in Portland, particularly in inner SE and NE neighborhoods like Hawthorne, Division, Alberta, and the Hollywood District. Norway rats burrow along foundations, under decks, and in alley spaces near dumpsters and compost bins. Portland's curbside composting program, while environmentally beneficial, can attract rats when bins are not properly sealed or when food scraps sit out between collection days.

Removal costs $200 to $600 depending on severity. Effective control requires trapping, exclusion (sealing entry points with steel mesh and concrete), and removing food sources like unsecured garbage and bird feeders. Full-home exclusion work can cost $500 to $2,000 but provides the longest-lasting protection. See our rodent exterminator cost guide.

Dampwood termites ($800 to $2,500)

Dampwood termites are more common than subterranean termites in the Portland metro. They infest wood with high moisture content, typically around leaky roofs, plumbing failures, and ground-contact lumber. Unlike subterranean termites, dampwood termites do not build mud tubes and live entirely within the wood they consume. Their presence almost always indicates an underlying moisture problem.

Treatment costs $800 to $2,500 and focuses on removing the moisture source, replacing damaged wood, and applying localized treatment. Because dampwood termites require consistently wet wood, fixing the underlying moisture problem is the most critical step. Full-home fumigation is rarely necessary for dampwood termite infestations in the Portland area.

Yellow jackets ($100 to $375)

Yellow jackets are the most aggressive stinging insect in the Portland area. They build nests in the ground, inside wall voids, under eaves, and in attic spaces. Colonies grow throughout the summer and peak in August and September, when workers become highly aggressive around food at outdoor gatherings. Ground nests in yards are a particular hazard for homeowners mowing the lawn and for children playing outside.

Removal costs $100 to $375 depending on nest location and accessibility. Wall void nests are more expensive to treat because they require drilling and injecting insecticide into the cavity. Nests should be treated by a professional, as yellow jackets can sting repeatedly and will swarm when the nest is disturbed. See our wasp nest removal cost guide.

Stink bugs ($100 to $250)

Brown marmorated stink bugs are a significant fall nuisance pest in the Portland metro. As temperatures drop in September and October, stink bugs congregate on south-facing exterior walls seeking warmth and then enter homes through gaps around windows, doors, siding, and utility penetrations. Once inside, they overwinter in wall voids and attic spaces and may emerge on warm winter days.

Treatment costs $100 to $250 and focuses on exterior perimeter spraying and sealing entry points. The most effective approach is preventive treatment in late August or early September before stink bugs begin clustering on the home. Vacuuming is the recommended indoor removal method, as crushing stink bugs releases the unpleasant odor they are named for.

Mice ($150 to $350)

House mice are common in Portland's older homes, particularly in neighborhoods with Craftsman-style and bungalow construction from the early 1900s. These homes have numerous small gaps around foundations, utility lines, and aging siding that mice exploit. Mice can squeeze through openings as small as a quarter inch and are most active moving indoors during the fall and winter rainy season.

Removal costs $150 to $350 and includes trapping, sanitation recommendations, and sealing entry points. Silverfish, which thrive in Portland's damp basements and crawl spaces, are often discovered during mouse inspections and can be treated at the same time. Gopher damage in Portland yards is another common issue, with control costing $150 to $400 depending on the extent of tunnel activity.

Portland Seasonal Pest Calendar

Cost Factors in Portland

• Age of home. Portland's older neighborhoods like Laurelhurst, Irvington, and Sellwood are full of Craftsman homes and bungalows from the early 1900s. These homes have more entry points for rodents, more moisture-vulnerable wood for carpenter ants, and crawl spaces that often lack modern vapor barriers.
• Rainfall and moisture. Portland averages over 43 inches of rain per year. Crawl space moisture, gutter failures, and roof leaks directly increase the risk of carpenter ants, moisture ants, and dampwood termites. Addressing moisture problems is the single most effective way to reduce long-term pest control costs.
• Urban tree canopy. Portland's extensive tree canopy provides habitat for carpenter ant parent colonies and gives squirrels and raccoons easy roof access. Homes surrounded by mature trees face higher pest pressure from wood-destroying insects and wildlife.
• Composting and food waste. Portland's curbside composting program attracts rats when bins are improperly stored or overfilled. Homes near restaurants, food carts, and commercial dumpsters in neighborhoods like Division, Hawthorne, and Alberta also see elevated rodent activity.
• Crawl space condition. Many Portland homes have crawl space foundations. Standing water, inadequate vapor barriers, and poor ventilation create ideal conditions for moisture ants, carpenter ants, silverfish, and rodent harborage.

Choosing a Pest Control Company in Portland

• Verify Oregon Department of Agriculture licensing. Oregon requires pest control companies to hold a valid pesticide applicator license issued by the Oregon Department of Agriculture (ODA). Verify the license and check for any enforcement actions before hiring.
• Ask about carpenter ant expertise. Carpenter ants require specialized knowledge to locate colonies in wall voids, crawl spaces, and connected satellite nests. Choose a company with documented experience treating carpenter ant infestations in the Pacific Northwest.
• Get at least three quotes. Portland has a competitive pest control market with both national chains and established local operators. Pricing can vary significantly between companies for the same service.
• Confirm moisture and structural assessment is included. The best pest control companies in Portland include a moisture assessment as part of their inspection, since most major pest problems in the region are moisture-related.

For a complete overview of pest control costs, see our pest control cost guide.

Frequently Asked Questions