A residential street of older brick and sided homes on an overcast day

Local guide

Mold in Delaware

Statewide mold risk and local contacts for Delaware.

Dealing with mold in Delaware? Warm, humid summers and older urban housing across Wilmington, Dover and Newark keep mold a common home and building problem, and coastal or river flooding can add sudden water damage. With about 47 inches of rain a year, moisture control is the heart of the fix. This is your Delaware hub for straight answers, local contacts, and who to call.

Find mold removal and remediation in Delaware

See local mold risk, the offices to call, and a licensed local pro for your area in Delaware.

Find a Delaware pro

Why mold shows up in Delaware

Delaware gets around 47 inches of rain a year with warm, humid summers, and much of its housing is older with basements that hold moisture. Humid air, plumbing leaks, and flooding from coastal storms or heavy rain all feed mold growth. The fix always starts with controlling the moisture, and for anything serious a licensed local pro is the right call.

The damp block foundation wall of an older Mid-Atlantic basement

Statewide mold contacts in Delaware

EPA Regional Office

EPA Region 3 - Mid-Atlantic

215-814-5000

State Health Department

Delaware Division of Public Health

302-744-4700

See who to call about mold for health department and EPA contacts.

Mold questions in Delaware

Is mold a common problem in Delaware?+

Yes. Humid summers, a long damp season, and a lot of older housing mean mold is a routine home and building concern rather than a rare event.

Does flooding cause mold in Delaware?+

It can. Coastal storms, tidal flooding, and heavy summer rain leave standing water and soaked materials that grow mold within a day or two if they are not dried out quickly.

When should I call a professional?+

For anything larger than about 10 square feet, mold behind walls or in HVAC, or growth tied to sewage or flooding, bring in a licensed local pro.

A block of brick row homes with front stoops on an older Mid-Atlantic street

Get a local mold read for your Delaware home

See local risk and the offices to call, built from real climate and census data.

Open Your Home Report

Mold removal and remediation by city in Delaware

Choose your city below for a local snapshot of mold risk and who to call, or find a licensed local pro anywhere in Delaware.

Whether it is a damp basement or a leak after a storm, handling mold in Delaware comes down to finding the moisture, drying it out, and calling a licensed local pro when the job is beyond a quick cleanup.

A Mid-Atlantic home exterior after heavy rain with standing water on the walkway

Bear → Brookside → Claymont → Dover → Glasgow → Hockessin → Middletown → Milford → Newark → North Star → Pike Creek → Pike Creek Valley → Smyrna → Wilmington → Wilmington Manor →

Get a mold read for your home

See local risk and who to call, built from real climate and census data.

Open Your Home Report