basement flooding in Wilmington? Get a specialist on the line

What to do right now

1. If anyone is in danger, call 911.
2. Stay clear of electricity and standing water near outlets.
3. Keep children and pets away from affected areas.
4. Photograph damage for insurance before major cleanup.
5. Do not enter a flooded basement if the water may contact electrical systems.
6. Shut power at the breaker only if you can do it from a dry location.
7. Avoid pumping water until a pro confirms safe discharge and contamination class.
8. Basement flood in Wilmington (ZIP 19801) — mention sump or outdoor water if known.

About basement flooding in Wilmington

Estimated hazard framing for Wilmington (19801): elevated coastal / storm-water exposure for this metro zip. Census data: ZIP 19801 has about 9,406 homes, the median one was built in 1960, 46% are single-family houses, 31% are owner-occupied. 62% of homes here were built before 1980, the era of galvanized supply pipe and cast-iron drains — both corrode from the inside, so pinhole leaks and slow drain seepage are common. Tropical / coastal storm seasons can drive surge, heavy rain, and indoor water events. This page is for homeowners in Wilmington, Delaware — not a contractor listing, and

Local conditions

Flood insurance claims in ZIP 19801

FEMA's National Flood Insurance Program records 93 flood claims from ZIP 19801 between 1978 and 2025 — 10 of them in the last 10 years. 66 were paid, $2.0M in total, with a median payout of $10,907.

• Hurricane Sandy (2012) — 14 claims
• Hurricane Irene (2011) — 7 claims
• Hurricane Floyd (1999) — 6 claims

Rising or surface water is excluded from standard homeowners policies — it needs NFIP or private flood coverage. A burst pipe or appliance leak is usually a homeowners claim instead, so photograph the source before cleanup.

Source: OpenFEMA NFIP redacted claims, data as of June 1, 2026. Counts are claims reported under this ZIP, not individual homes.

Common causes in Wilmington

Knowing the likely source in Wilmington helps you shut the right valve and brief a contractor faster.

• Supply-line failures (washer hoses, fridge lines, angle stops under sinks)
• Corroded galvanized or cast-iron lines — 62% of homes here predate 1980
• Storm-driven intrusion, roof leaks after wind, or window well overflow
• Slab or underground leak symptoms (warm floors, unexplained high bills)
• Appliance faults (dishwasher, ice maker, HVAC condensate)

Cost expectations in Wilmington

Homeowners in Wilmington typically see wide ranges — small leaks vs sewage/multi-room are different leagues. Numbers below are orientation, not bids.

• Small contained leaks: often lower four figures
• Room-level drying in denser housing: commonly mid four to low five figures
• Storm-driven or multi-room events: can run much higher, especially with contaminated water
• For scale: the median owner-occupied home in ZIP 19801 is valued at $199,900 (Census), so a five-figure drying job is a real share of the home's value — worth documenting carefully for your insurer
• Flood-insurance payouts in this ZIP: median $10,907 across 66 paid NFIP claims (FEMA) — flood policies pay for outdoor water that homeowners policies exclude

For your insurer

• Photos or short video before major cleanup
• When the water started and what you shut off
• Receipts for emergency purchases
• Contractor assessment when available
• Do not discard large damaged items until your insurer says it is OK when possible.

FAQs — basement flooding in Wilmington

Nearby areas in Delaware

• CheswoldZIP 19936
• DagsboroZIP 19939
• LewesZIP 19958
• ViolaZIP 19979
• NewarkZIP 19715
• DelmarZIP 19940
• FeltonZIP 19943
• GeorgetownZIP 19947
• HartlyZIP 19953
• KentonZIP 19955
• MagnoliaZIP 19962
• MilfordZIP 19963
• OdessaZIP 19730
• SmyrnaZIP 19977
• YorklynZIP 19736
• Camden WyomingZIP 19934
• Delaware CityZIP 19706
• Dover AfbZIP 19902
• FrankfordZIP 19945
• FredericaZIP 19946
• LaurelZIP 19956
• LincolnZIP 19960
• MiddletownZIP 19709
• MillsboroZIP 19966