How much does a slate roof cost?

The total cost for a slate roof ranges from $4.00 to $14.00 per square foot. Materials alone account for $1.80 to $6.30 per square foot of the overall price.

What's the labor cost for a slate roof?

Expect to pay between $1.40 and $4.90 per square foot for labor when installing a slate roof. This includes the installation of the slate tiles and any necessary underlayment.

How much do supplies add to slate roof installation?

Supplies and other associated costs for a slate roof can add an additional $0.48 to $1.68 per square foot. This includes items like nails, flashing, and sealant.

What about the cost of removing the old roof?

Equipment and disposal costs contribute $0.32 to $1.12 per square foot to the total slate roof price. These costs cover the use of equipment and the proper removal of old roofing materials.

Are slate roofs more expensive than other roofing materials?

Yes, slate roofs typically have a higher upfront cost, with materials alone costing $1.80 to $6.30 per square foot. However, they offer superior durability and longevity compared to other options.

How Much Does Slate Roof Cost in Washington, District of Columbia?

Uncover the Exceptional Advantages and Durability of Slate Roofs: The Ultimate Homeowner’s Resource for 2026

Slate Roof in Washington, District of Columbia typically costs $5 to $17 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

Slate Roof in Washington, District of Columbia

$5 – $17

per sq ft

Prices in Washington are 23.0% higher than the national average for slate roof.

National average: $4 – $14 per sq ft

Cost Breakdown in Washington

Component	Category	Price Range	Unit
Materials	material	$2 – $8	sq ft
Labor	labor	$2 – $6	sq ft
Supplies & Other	supplies	$0.58 – $2	sq ft
Equipment & Disposal	equipment	$0.38 – $1	sq ft

Prices adjusted for Washington local market conditions.

Cost Factors in Washington, District of Columbia

What Affects Pricing

Materials ($1.80-$6.30/sq ft)
Labor ($1.40-$4.90/sq ft)
Supplies & Other ($4-$14/sq ft)
Equipment & Disposal ($4-$14/sq ft)

Local Price Adjustments

Material costs20.0% above avg

Labor costs25.0% above avg

Labor costs in Washington run proportionally higher than materials, which may favor material-heavy solutions.

Frequently Asked Questions

References

Product and Supplies Data: Builders Warehouse Roofing Supplies — Builders Warehouse, Jan 2026, Website
Product and Supplies Data: Modern Builders Supply Roofing Materials — Modern Builders Supply, Jan 2026, Website
Product and Supplies Data: Home Depot Roofing Materials — Home Depot, Jan 2026, Website
Product and Supplies Data: Plumbing Components and Supplies — McCoys, Jan 2026, Website
Carpentry and Building Construction — Glencoe/McGraw-Hill; 6th edition, Jan 2003, Mark Feirer, John Feirer, ISBN 007822702X
Product and Supplies Data: The HUD PATH Rehab Guide Volume 3: Roofs — U.S. Department of Housing and Urban Development Office of Policy Development and Research, Jan 2026, Editorial Staff
Labor Wages and Costs: Building a Unit-Price System — Journal of Light Construction, Jan 2026, George Weissgerber
Moisture Control Guidance for Building Design, Construction and Maintenance — , United States Environmental Protection Agency, Dec 2024, Editorial Staff
Occupational Employment and Wage Statistics — US Bureau of Labor Statistics, Jan 2026, Staff
Employer Costs for Employee Compensation — US Bureau of Labor Statistics, Jan 2026, Staff
Project Spending Data: Harvard University JCHS Homeowner Expenditures — Harvard University, Jan 2026, Website
Construction Cost of a Home — National Association of Home Builders, 2024
Contractor Licensing and Registration — California State Licensing Board, 2024
Building Life-Cycle Cost Programs — National Institute of Standards and Technology, 2024
Occupational Employment and Wage Statistics - Construction — U.S. Bureau of Labor Statistics, 2024
Building Permits Survey — U.S. Census Bureau, 2024
Labor Wages and Costs: Occupational Employment and Wage Statistics for Slate Roof — U.S. Bureau of Labor Statistics, Jan 2026, Website
Labor Cost Benchmarks: Employer Costs for Employee Compensation for Slate Roof — U.S. Bureau of Labor Statistics, Jan 2026, Website
Material Cost Benchmarks: Producer Price Index data relevant to Slate Roof — U.S. Bureau of Labor Statistics, Jan 2026, Website
Project Spending Data: Improving America’s Housing for Slate Roof — Harvard Joint Center for Housing Studies, Jan 2026, Website
Residential Construction and Remodeling Spending data relevant to Slate Roof — U.S. Census Bureau, Jan 2026, Website
Project Cost Benchmarking: homeowner project budgeting and planning guidance for Slate Roof — This Old House, Jan 2026, Website
Product and Supplies Data: exterior material pricing for Slate Roof — Home Depot, Lowe’s, and manufacturer pricing pages, Jan 2026, Website
Project spending benchmarks for Slate Roof — Remodeling Magazine Cost vs. Value Report, Website
Labor Wages and Costs: Unit pricing guidance for Slate Roof — Journal of Light Construction, Jan 2026, Website

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Slate Roof — national cost guide All Washington cost guides

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