In central Iowa the termite that matters is the eastern subterranean termite. It lives in the soil beneath yards and driveways, and it can tunnel from there into the wood of a home without ever leaving a visible trace outdoors. Des Moines has a large stock of older houses, many with basements and crawlspaces, and Iowa's wet springs and humid summers supply the moisture termites need. If you think you have activity, call (844) 725-1661 for a referral to an independent licensed provider. PestMinistry is a referral service and does not treat properties itself.
What sets Iowa termites apart
Iowa is toward the northern edge of subterranean termite range, so colonies tend to grow more slowly than in warmer states, and they retreat deeper into the ground during hard winters. That slower pace can make damage easier to miss. Formosan termites are not found in Iowa, and drywood termites are not an established problem here. The usual pattern is a hidden colony feeding on a sill plate, a basement joist or a wooden porch for years before swarmers or mud tubes appear.
Which Des Moines properties are vulnerable
- Older bungalows and foursquares in areas such as Beaverdale, Sherman Hill and the Drake neighborhood, where wood framing sits on stone, brick or block foundations.
- Homes with damp basements or plumbing leaks that soften wood near the foundation.
- Houses with soil piled high against siding, or with wood trim or porch posts touching the ground.
- Properties near the rivers where groundwater stays elevated after spring rains.
- Newer suburban builds in West Des Moines and Ankeny, where mulch beds, decks and untreated lumber still create openings.
Signs to take seriously
- Flying termites indoors in spring, often near windows or basement doors. Their discarded wings pile up on sills.
- Thin tubes of mud running up foundation walls, joists or piers.
- Wood that is hollow-sounding, layered inside like pages, or crumbles when probed.
- Doors and windows that begin to bind for no clear reason.
What professionals do about it
An inspector examines basements, crawlspaces, porches, garage walls and exterior trim, usually with a probe and flashlight. If termites are confirmed, the plan generally includes one of the following:
- Liquid soil treatment in trenches along the foundation and through slab drilling where concrete blocks access.
- Bait stations installed around the house and monitored on a schedule.
- Wood treatments applied directly to infested framing.
- Structural changes that cut off moisture and wood-to-soil contact.
Ask which method the provider recommends for your foundation type and how follow-up inspections are handled.
Prevention tips for Iowa homes
- Keep gutters clear and downspouts directed well away from the house.
- Maintain a gap of several inches between soil or mulch and any wood siding.
- Fix leaks around basement windows and plumbing quickly.
- Run a dehumidifier in damp basements.
- Store firewood away from the foundation and off the ground.
Des Moines termite FAQ
Can termites survive an Iowa winter?
Yes. They move below the frost line and can stay active near heated foundations.
When do termites swarm in central Iowa?
Swarms commonly happen in spring on warm, damp days. A swarm indoors suggests a colony close to or inside the structure.
Does homeowner insurance cover termite damage?
Policies commonly exclude it, so check yours or ask your agent.
Who do I call?
Call (844) 725-1661 and we will connect you with a licensed Des Moines termite specialist.