How many roofing contractors are there in Delaware?

There are 117 roofing contractors listed across 29 cities in Delaware. You can browse by city to find local roofers with verified reviews and ratings.

How much does a roof replacement cost in Delaware?

A full roof replacement in Delaware typically costs between $7,500 and $23,000, depending on roof size, material, and pitch. Repairs range from $350 to $1,800.

Do roofers need a license in Delaware?

Delaware does not have a statewide contractor license. Contractors must register as a Construction Contractor and obtain a business license from the Delaware Division of Revenue ($75/year). Non-resident contractors must also obtain a surety bond. Some cities have additional licensing requirements.

What weather risks affect roofs in Delaware?

Delaware faces low hail risk (2 hail days/year), low tornado risk, and moderate wind damage risk. Storm season runs April – October.

Roofing Contractors in Delaware

117Companies

29Cities

4.8Avg Rating

Browse Roofing Contractors by Region

Wilmington Metro

Northern Delaware's urban center faces freeze-thaw cycles, aging row homes, and proximity to the Delaware River floodplain.

Wilmington Newark Bear New Castle

Central Delaware

The transitional zone between coastal and piedmont conditions, with both humidity and winter weather challenges.

Dover Middletown Townsend

Southern Delaware Beaches

Maximum salt air and wind exposure from the Atlantic, with hurricane and nor'easter damage risk highest here.

Lewes Milford

Despite being the second-smallest state in the nation, Delaware packs a surprising range of roofing challenges into its 96-mile length. The state's low-lying coastal geography — Delaware's highest point is just 448 feet above sea level — leaves it fully exposed to Atlantic nor'easters, tropical storms, and hurricanes tracking up the coast.^[1]

Delaware's position on the Delmarva Peninsula means homeowners from Wilmington to Lewes must contend with persistent humidity, salt air exposure, and wind-driven rain that penetrates roofing systems in ways not common in inland areas. Storm surge and flooding during major weather events can undermine roof structures from below even as wind damages them from above.^[2]

Delaware Climate & Its Impact on Roofing

Delaware's humid subtropical-to-humid continental transitional climate brings hot, humid summers (high 80s–low 90s°F), moderate winters with 15–25 inches of snow, and year-round precipitation averaging 45 inches. The state's coastal location ensures high humidity levels that promote moss, algae, and mold growth on roof surfaces, particularly on north-facing slopes.

Winter nor'easters and occasional ice storms deliver the most acute roof damage, with wind gusts exceeding 60 mph and heavy wet snow loads. Southern Delaware (Sussex County) faces the greatest hurricane and tropical storm exposure, while northern Delaware (New Castle County) experiences more freeze-thaw cycling and winter ice events. Salt air affects roofing components statewide but is most aggressive within 5 miles of the coast and Delaware Bay.

Why Hire a Licensed Roofing Contractor in Delaware

Delaware does not require a specific statewide roofing contractor license, but contractors must register with the Delaware Division of Revenue and obtain a business license.^[3] New Castle County, Kent County, and Sussex County each have their own permitting requirements for roofing work. Homeowners should verify that any contractor carries general liability insurance and workers' compensation coverage, as the lack of a statewide licensing exam means there is no standardized competency requirement.

References

[1] NOAA National Hurricane Center — Atlantic Coast Storms

[2] Delaware Emergency Management Agency — Hazard Mitigation Plan

[3] Delaware Division of Revenue — Business Licensing

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