Roof Replacement Cost in Wilmington, DE (2026)
Updated October 2026 · Wilmington, DE · index 1.03
How much does a new roof cost in Wilmington? For a 2,000 sq ft roof with architectural asphalt shingles, homeowners in Wilmington, DE pay about $13,600 on average, and most quotes land between $10,600 and $16,600 — $5.31 to $8.30 per sq ft. The price covers tearing off one layer to the deck, ice and water shield, synthetic underlayment, drip edge, the roofing itself, ridge vent, flashing, the permit, the dumpster and cleanup.
The roof replacement price in Wilmington runs 3% above the U.S. average: construction labor in the Wilmington area runs 4% above the national mean, materials sit at the national level. The same job averages $13,200 nationally and about $13,000 at the Delaware statewide index.
Roof Replacement cost calculator for Wilmington
800 to 5,000 sq ft
Are you a roofing contractor? Price jobs like this in 60 seconds
Roof replacement price in Wilmington by roofing material
What a 2,000 sq ft roof costs in Wilmington with each roofing material, installed:
| Option | Average · range |
|---|---|
| Architectural asphalt shingles30-year laminated shingle, the most common re-roof$6.81 per sq ft | $13,600$10,600 – $16,600 |
| 3-tab asphalt shinglesflat single-layer shingle, the budget option$6.16 per sq ft | $12,300$9,500 – $15,100 |
| Impact-resistant (Class 4) shingleshail-rated shingle; some insurers discount it$7.60 per sq ft | $15,200$12,000 – $18,400 |
| Standing-seam metalconcealed-fastener steel panels$15.69 per sq ft | $31,400$25,600 – $37,100 |
The least expensive option in Wilmington is 3-tab asphalt shingles, at about $12,300; standing-seam metal averages $31,400, 2.5 times as much.
Cost to replace a roof in Wilmington by size
With architectural asphalt shingles, priced for Wilmington, DE:
| Size | Average · range |
|---|---|
| A 1,500 sq ft roof$7.11 per sq ft | $10,700$8,250 – $13,100 |
| A 2,000 sq ft roof$6.81 per sq ft | $13,600$10,600 – $16,600 |
| A 3,000 sq ft roof$6.50 per sq ft | $19,500$15,400 – $23,600 |
Some costs stay the same whatever the size — roof measurement and inspection, permit and final inspection, site protection — so a bigger job costs less per unit: $6.50 per sq ft for a 3,000 sq ft roof against $7.11 for a 1,500 sq ft roof.
What a roof replacement in Wilmington includes
Line by line, the $13,600 average for a 2,000 sq ft roof breaks down like this: 53% labor, 44% materials and equipment, and $300 in permit fees passed through at cost.
| Line | Low – high |
|---|---|
| Roof measurement and inspection | $80 – $260 |
| Permit and final inspection | $150 – $450 |
| Site protection | $150 – $360 |
| Tear-off to the bare deck (one layer) | $1,350 – $2,050 |
| Dumpster and landfill fees | $330 – $620 |
| Ice and water shield at eaves and valleys | $470 – $740 |
| Synthetic underlayment | $440 – $700 |
| Drip edge | $310 – $540 |
| Starter strip | $180 – $310 |
| Roofing material, delivered | $2,900 – $3,800 |
| Installation labor | $3,100 – $4,350 |
| Valleys | $60 – $110 |
| Ridge and hip cap | $280 – $460 |
| Pipe boots and vent flashing | $230 – $520 |
| Step and wall flashing | $120 – $250 |
| Ridge vent | $200 – $330 |
| Cleanup and magnetic nail sweep | $260 – $460 |
| Warranty registration | $50 – $310 |
Each line is the price book's U.S. rate for that step times Wilmington's index of 1.03; permit fees are not scaled.
Get free quotes from Wilmington contractors
Describe your project once and JobFlex sends it to a local roofing contractor who prices it for your home — free, no account needed.
What affects roof replacement prices in Wilmington
Labor and materials in Wilmington
Construction wages in the Wilmington metro run 11% above the U.S. mean (BLS, May 2025), and specialty-contractor pay in the city's county moves that down by 6%, to 4% above the national mean. Materials in the area's ZIP codes price right at the national average. Together they give Wilmington a construction cost index of 1.03.
Where Wilmington sits in Delaware
Wilmington is the most expensive of the 2 Delaware cities in our index, against a statewide index of 0.98. Dover is the least expensive at 0.94.
Against the rest of the country
Of the 306 U.S. cities in JobFlex's index, Wilmington ranks 131st from the most expensive. The job that averages $13,600 here averages $13,200 at the national rate.
Sales tax in Delaware
Delaware has no state sales tax. Prices on this page are before any tax.
What a Wilmington contractor will ask before quoting
- How many layers come off, and is the decking sound?
- Roof pitch and stories — steep or two-story work adds 15-30% labor
- Ventilation and flashing details (ridge vent, chimney, skylights)
Roof replacement cost in other Delaware cities
A 2,000 sq ft roof with architectural asphalt shingles averages $13,600 in Wilmington; $12,500 in Dover.
| City | Average · range |
|---|---|
| Dover, DE9% less | $12,500$9,700 – $15,200 |
roof replacement price in Wilmington: questions
How much does a new roof cost in Wilmington, DE?
About $13,600 for a 2,000 sq ft roof with architectural asphalt shingles, and most Wilmington quotes fall between $10,600 and $16,600. That is 3% above the U.S. average, where the same job averages $13,200.
What is the roof price per square foot in Wilmington?
$5.31 to $8.30 per sq ft, about $6.81 on average, or $681 per square (100 sq ft), with architectural asphalt shingles. Smaller jobs cost more per unit, because the fixed costs are spread over less.
How much is a 3,000 sq ft roof in Wilmington?
$15,400 to $23,600, about $19,500 on average, with architectural asphalt shingles — $6.50 per sq ft.
Do you need a permit for roof replacement in Wilmington?
It depends on the city: for a roof replacement some building departments want a permit and some don't, so check with Wilmington's. The prices on this page carry $150–$450 for the permit and inspection.
Does the price include sales tax in Delaware?
No tax is included, and Delaware has no state sales tax.
What is the cheapest roofing material for roof replacement in Wilmington?
3-tab asphalt shingles, at about $12,300 for a 2,000 sq ft roof. Standing-seam metal runs about $31,400.
Other home projects in Wilmington
Roof replacement cost in Delaware
How these prices are built
Every price on this page comes from JobFlex's contractor price book: what a homeowner pays a licensed contractor for each step of the job, as a U.S. national average per unit, with the contractor's overhead and profit included and sales tax left out. The roof replacement is priced step by step, then multiplied by Wilmington's construction cost index of 1.03.
The index weighs local construction wages (BLS Occupational Employment and Wage Statistics, May 2025) at 60% and the area's material prices (Craftsman ZIP-area factors) at 40%. Published indices for Wilmington, each on its own base: HUD 1.08, Craftsman 1.03. Treat any city figure as about ±5%; a contractor's quote for your house is the number to plan with.
Contractors in Wilmington build quotes like these with JobFlex's roof estimator.
- HomeGuide 2026: architectural shingles $400-$600 per square installed, $7,500-$16,000 average roof
- Roof tear-off guides 2026 (SquareDash, RoofingCalculatorHQ): tear-off $1.00-$2.40/sqft incl. dumpster; permit $100-$500