Cost to Roof 900 Square Feet

Estimated roof replacement cost for 900 sq ft by material.

Re-roofing 900 sq ft with asphalt shingles costs about $3,600 – $6,300 installed (avg $4,950).
MaterialEstimated cost (installed)
Asphalt shingles $3,600 – $6,300
Metal $7,200 – $12,600
Clay/concrete tile $9,000 – $16,200
Slate $13,500 – $27,000

US national-average installed estimates. Pitch, tear-off, stories and region change the price. Get local quotes.

Have exact dimensions? Use the full Roofing Cost Calculator to enter length, width and depth.

Last reviewed: November 2026

Data sources: Standard volume and area formulas.

Disclaimer: Quantities are estimates from the area you entered; measure your actual space and add a waste allowance. Material and labor costs vary by region.

Frequently Asked Questions

With asphalt shingles, about $3,600 to $6,300 for asphalt shingles. Metal, tile and slate cost more — see the table on this page.

Asphalt shingles are usually the cheapest to install, followed by metal, then tile and slate.