Cost to Roof 850 Square Feet

Estimated roof replacement cost for 850 sq ft by material.

Re-roofing 850 sq ft with asphalt shingles costs about $3,400 – $5,950 installed (avg $4,675).
MaterialEstimated cost (installed)
Asphalt shingles $3,400 – $5,950
Metal $6,800 – $11,900
Clay/concrete tile $8,500 – $15,300
Slate $12,750 – $25,500

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 $3,400 to $5,950 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.