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Roof data · Wilmington, NC

Average roof size and replacement cost in Wilmington, NC — measured from satellite

We measured about 33,442 buildings inside the Wilmington area from satellite pictures. Here is what a typical roof looks like there, and about what it would cost to replace.

33,442
buildings measured inside the Wilmington area
1,968 sq ft
median building footprint
2,131 sq ft
median roof area (footprint × 1.083, our 4/12-pitch assumption)
1,361–2,880
middle 50% of footprints (25th–75th percentile), sq ft

How building sizes break down in Wilmington

Under 1,500 sq ft 30.4%
1,500–2,500 sq ft 36.4%
Over 2,500 sq ft 33.2%

What a roof this size costs

Using the median roof size above (2,131 sq ft), here is a ballpark range by material, based on national starting prices (not specific to NC).

Asphalt
$11,300–$15,300
Metal
$23,550–$31,850
Tile
$28,100–$38,000

Ballpark ranges. Every roof is different. Get your own in 30 seconds below.

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Live instant quote tool · sample company, sample prices

Questions about Wilmington roof data

How was the roof size for Wilmington measured?

We used Microsoft's building footprint data, which is built from satellite and aerial pictures. It draws an outline around every building it can see, then measures the area inside that outline. We looked at every building whose outline falls inside the Wilmington area and found the middle (median) size.

Why use satellite pictures instead of a tape measure?

A tape measure only covers one house at a time. Satellite pictures let us look at thousands of buildings at once, so we can show a real middle-of-the-road number for the whole city, not just a guess.

Is the price range on this page real?

It is a ballpark, not a quote. We took the median roof size above and ran it through the same starting prices our instant quote tool uses before a roofer sets their own. Every roof is different, so treat this as a starting point.

What changes the price of a roof replacement?

The biggest things are size, material (asphalt shingles cost less than metal or tile), roof shape (a simple roof costs less to install than one with lots of angles), and how many layers of old roofing need to come off first.

How do I get an exact quote instead of a range?

Type your own address into the instant quote tool below. It measures your actual roof from satellite and gives you a price in about 30 seconds, before you talk to anyone.

How do roofers in Wilmington use a tool like this?

A roofer puts this same instant quote tool on their own website. When a homeowner asks for a price, they see one right away instead of waiting for a callback, and the roofer gets the lead with the details already filled in.

About this data

Source and method

Microsoft GlobalMLBuildingFootprints (github.com/microsoft/GlobalMLBuildingFootprints), CDLA Permissive 2.0. Building footprints from Microsoft's GlobalMLBuildingFootprints dataset (computer-vision-derived from satellite/aerial imagery, 2014-2024 coverage), tiled nationwide into z13 quadkeys by tools/fetch-ms-footprints.py. Buildings are counted for a city if their footprint's centroid falls inside a hand-picked rectangular bounding box approximating that city's built-up area -- not an official city-limit boundary. Roof area = footprint area x 1.083 (a flat 4/12-pitch estimate; real roofs vary by shape and pitch).

Data as of
2026-09-06
Buildings measured
33,442 inside the Wilmington area (approximate boundary, not an official city-limit map)
Roof-area assumption
Footprint × 1.083 (a flat 4/12-pitch estimate — real roofs vary by shape and pitch)

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