Top Roofing Companies in Wilmington
4.DE Commercial Roofing Pros of Wilmington DE
4.9★ (15 reviews)
4.9★ from 15 reviews
Roofing Cost in Wilmington
Local ranges, adjusted for area wage and cost-of-living data.
| Service | Typical range in Wilmington |
|---|---|
| Roof repair | $431–$1,939/job |
| Roof inspection | $108–$323/job |
| Roof replacement | $8,616–$23,694/job |
Roofing prices in Wilmington run about 8% above the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.
Quotes on this page come from 5 companies serving Wilmington, rated 4.9★ on average across 181 customer reviews.
Wilmington Climate & Seasonal Timing
What Wilmington's weather means for scheduling roofing.
- Last spring frost
- April 5
- First fall frost
- November 6
- Annual precipitation
- 49.32"
- Heating degree days
- 4,935
- Cooling degree days
- 1,071
| Month | Low | High | Precip |
|---|---|---|---|
| Jan | 25° | 38.7° | 3.71" |
| Feb | 27.1° | 42° | 2.99" |
| Mar | 33.9° | 50.7° | 4.52" |
| Apr | 43.4° | 61.9° | 4.21" |
| May | 53.3° | 71.6° | 4.38" |
| Jun | 62.9° | 80.5° | 4.19" |
| Jul | 67.7° | 84.6° | 5.36" |
| Aug | 66.3° | 82.8° | 3.67" |
| Sep | 58.9° | 75.6° | 4.9" |
| Oct | 47.3° | 64.3° | 3.81" |
| Nov | 38.5° | 54° | 3.48" |
| Dec | 29.2° | 43.2° | 4.1" |
NOAA station data 2.69 miles from Wilmington.
Permits & Regulations in DE
Permit typically required
- Delaware does not issue a roofing-specific license; roofers need a Division of Revenue contractor business license, renewed every December 31
- Construction businesses must also register with the Department of Labor's Office of Contractor Registration before starting work
- Re-roofing permits are issued by the county or city building department
License required: Delaware contractor business license and DOL contractor registration
Sources: revenue.delaware.gov, labor.delaware.gov
Roofing FAQs for Wilmington
How much does roof repair cost in Wilmington?
Roof repair in Wilmington typically runs $431-$1939 per job.
Do I need a permit to replace a roof in Wilmington, DE?
In DE, Delaware does not issue a roofing-specific license; roofers need a Division of Revenue contractor business license, renewed every December 31. Check with the Wilmington building department before work starts.
How many roofers serve Wilmington?
We track 5 roofing professionals serving Wilmington.
How much rain does a Wilmington roof take?
Wilmington averages 49.32 inches of rain a year, which is the load the flashing, valleys and underlayment actually have to handle.
How does Wilmington heat affect shingles?
Summer highs near 85F in Wilmington accelerate asphalt shingle aging, so roofs here often show granule loss earlier than the warranty term suggests.
Is roofing in Wilmington more expensive than the national average?
Roofing in Wilmington runs about +7.7% versus the national average.
Do Wilmington roofs face freeze-thaw damage?
With winter lows near 25F and 4,935 heating degree days, Wilmington roofs see enough cold cycling to make ice and flashing detail worth a look before winter.
When is the best time to reroof in Wilmington?
Asphalt shingles seal best in warm weather, so Wilmington crews generally aim to finish before the first frost around November 6.
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