Flat Roof Installation Costs

Installation of a flat or low-slope roof system using TPO, EPDM, or modified bitumen membrane with proper drainage and flashing details.

Verified by 2 sourcesUpdated March 21, 2026

Cost Comparison by Location

50 locations with verified cost data

Cost Comparison — Flat Roof Installation

Alabama2 sources

Low

$75

Typical

$14,818

High

$42,000

Alaska2 sources

Low

$75

Typical

$14,854

High

$42,000

Arizona2 sources

Low

$75

Typical

$14,820

High

$42,000

Arkansas2 sources

Low

$75

Typical

$14,817

High

$42,000

California2 sources

Low

$75

Typical

$14,854

High

$42,000

Colorado2 sources

Low

$75

Typical

$14,839

High

$42,000

Connecticut2 sources

Low

$75

Typical

$14,854

High

$42,000

Delaware2 sources

Low

$75

Typical

$14,846

High

$42,000

Florida2 sources

Low

$75

Typical

$14,820

High

$42,000

Georgia2 sources

Low

$75

Typical

$14,822

High

$42,000

Hawaii2 sources

Low

$75

Typical

$14,841

High

$42,000

Idaho2 sources

Low

$75

Typical

$14,823

High

$42,000

Illinois2 sources

Low

$75

Typical

$14,861

High

$42,000

Indiana2 sources

Low

$75

Typical

$14,839

High

$42,000

Iowa2 sources

Low

$75

Typical

$14,821

High

$42,000

Kansas2 sources

Low

$75

Typical

$14,822

High

$42,000

Kentucky2 sources

Low

$75

Typical

$14,822

High

$42,000

Louisiana2 sources

Low

$75

Typical

$14,818

High

$42,000

Maine2 sources

Low

$75

Typical

$14,827

High

$42,000

Maryland2 sources

Low

$75

Typical

$14,831

High

$42,000

Massachusetts2 sources

Low

$75

Typical

$14,872

High

$42,000

Michigan2 sources

Low

$75

Typical

$14,840

High

$42,000

Minnesota2 sources

Low

$75

Typical

$14,883

High

$42,000

Mississippi2 sources

Low

$75

Typical

$14,808

High

$42,000

Missouri2 sources

Low

$75

Typical

$14,834

High

$42,000

Montana2 sources

Low

$75

Typical

$14,825

High

$42,000

Nebraska2 sources

Low

$75

Typical

$14,819

High

$42,000

Nevada2 sources

Low

$75

Typical

$14,826

High

$42,000

New Hampshire2 sources

Low

$75

Typical

$14,828

High

$42,000

New Jersey2 sources

Low

$75

Typical

$14,874

High

$42,000

New Mexico2 sources

Low

$75

Typical

$14,816

High

$42,000

New York2 sources

Low

$75

Typical

$14,854

High

$42,000

North Carolina2 sources

Low

$75

Typical

$14,823

High

$42,000

North Dakota2 sources

Low

$75

Typical

$14,823

High

$42,000

Ohio2 sources

Low

$75

Typical

$14,840

High

$42,000

Oklahoma2 sources

Low

$75

Typical

$14,821

High

$42,000

Oregon2 sources

Low

$75

Typical

$14,840

High

$42,000

Pennsylvania2 sources

Low

$75

Typical

$14,826

High

$42,000

Rhode Island2 sources

Low

$75

Typical

$14,844

High

$42,000

South Carolina2 sources

Low

$75

Typical

$14,819

High

$42,000

South Dakota2 sources

Low

$75

Typical

$14,824

High

$42,000

Tennessee2 sources

Low

$75

Typical

$14,817

High

$42,000

Texas2 sources

Low

$75

Typical

$14,818

High

$42,000

Utah2 sources

Low

$75

Typical

$14,827

High

$42,000

Vermont2 sources

Low

$75

Typical

$14,836

High

$42,000

Virginia2 sources

Low

$75

Typical

$14,825

High

$42,000

Washington2 sources

Low

$75

Typical

$14,848

High

$42,000

West Virginia2 sources

Low

$75

Typical

$14,806

High

$42,000

Wisconsin2 sources

Low

$75

Typical

$14,827

High

$42,000

Wyoming2 sources

Low

$75

Typical

$14,804

High

$42,000

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