Pest control in Wilmington, Delaware

What Wilmington homeowners deal with

• Rowhomes share walls, so rodents and German cockroaches travel between units. Sealing gaps around pipes and baseboards matters more here than in a detached house.
• Apartment buildings and frequent move-ins raise the risk of bed bugs. Inspect secondhand furniture before it comes inside.
• Spotted lanternfly is well established in northern New Castle County, closest to Pennsylvania. Check trees of heaven and maples in late summer.

What shapes pest pressure in Wilmington

Wilmington's pest picture follows its buildings. Much of the city is made up of older brick rowhomes, converted townhouses and multi-unit buildings, many with basements, crawl spaces and shared walls that give pests plenty of hidden routes. A gap around a utility line in one unit can connect to the next, so a problem next door often becomes your problem.

Green space and water also play a part. Brandywine Park and the creek corridor, the Christina River, and the Delaware River waterfront all bring moisture, shade and wildlife close to dense neighborhoods. Street trees, small city yards and alleys offer shelter for rodents, and standing water in clogged gutters, planters and buckets can support mosquitoes even far from a marsh. Restaurants, corner stores and busy commercial blocks add steady food sources that keep roaches and mice well fed.

Pest season in Wilmington

Spring

Spring wakes up ants along foundations and porch steps, and mosquitoes start using gutters and buckets in city yards.

Summer

Heat and humidity push roaches into kitchens and bathrooms, and rowhome backyards and alleys hold water that breeds mosquitoes.

Fall

Cooler nights send mice looking for warm basements and wall voids, and stink bugs gather on sunny brick walls.

Winter

Winter keeps rodents inside shared walls and basements, and bed bugs stay active year-round in heated apartments.

Top pests in Wilmington