Get a free, instant roof replacement estimate by ZIP code. Know your cost before the contractor does—no signup, sales calls, or email required.
2,000 sq ft example: $19,400–$39,600
Material rates in our model range from $3.50 to $30 per sq ft.
Free estimate · Takes 90 seconds · No account needed
Our calculator uses BLS labor data and live material indexes—not guesswork—to give you a localized estimate before you talk to a single contractor.
ZIP code tells us your local labor market. NYC costs 42% more than Houston—your estimate reflects that gap exactly.
Area, pitch, complexity, material. Each variable has a real coefficient—we show you the math, not a black box.
Low / mid / high estimate with a full cost breakdown. Download as PDF or compare with real contractor quotes.
Click any material to get a full estimate for your ZIP code.
A roof replacement estimate is the sum of measured roof area, material, local labor, job complexity, removal, disposal, permits, and possible repairs. RoofCostAI uses those inputs to create a planning range for your ZIP code. It is designed to help you set a budget and compare contractor quotes on the same scope—not replace an on-site inspection.
Contractors price roofing by the area of the roof surface, not the interior floor plan. Pitch and overhangs mean a 2,000 sq ft house can have significantly more than 2,000 sq ft of roofing. Waste allowances for cuts, ridges, and valleys add to the order quantity.
3-tab asphalt is usually the lowest-cost option in our model. Architectural shingles add thickness and lifespan. Metal, concrete tile, and slate require more expensive materials and often specialized installation, but they can offer a longer service life.
A simple walkable gable roof is faster to install than a steep roof with dormers, valleys, skylights, chimneys, or multiple levels. Limited driveway access, landscaping protection, and extra safety equipment can also increase labor time.
Tearing off old layers, replacing damaged decking, upgrading flashing or ventilation, hauling debris, and obtaining permits may sit outside a basic material quote. A useful estimate should show these items instead of hiding them in one total.
Architectural shingles currently run from $4.50 to $7.50 per sq ft in our material model. Corrugated and standing-seam metal range from about $7 to $18 per sq ft. Asphalt usually wins on upfront price; metal can make sense when lifespan, maintenance, climate, and long-term ownership are more important.
Compare roofing materials and costs →Start with the correct ZIP code and roof surface area. Then choose the material, pitch, complexity, and whether existing roofing must be removed. When contractor quotes arrive, compare decking, flashing, ventilation, underlayment, cleanup, permits, workmanship warranty, and payment schedule—not only the final number.
Open the full roof cost calculator →"Finally a calculator that doesn't ask for my phone number just to see an estimate. Got a number, then used it to negotiate my contractor down $3,200."
"Three contractors quoted me $28k–$34k. This tool said $26k–$39k for my area. I went back and negotiated to $25.5k. Worth every second."
Learn how to estimate, compare, and save on your roof replacement with data-backed insights.
Compare roof replacement costs by material, home size, and location across the United States.
Compare roofing materials by installed cost, durability, maintenance, and expected lifespan.
Understand labor, materials, tear-off, permits, warranties, and the hidden costs in contractor quotes.
Everything you need to know about estimating, comparing, and saving on your roof replacement.
Our calculator uses BLS labor data and material price indexes to create a localized planning estimate. Roof shape, access, deck repairs, permit rules, and contractor availability can change the final quote, so use the result as a budgeting baseline rather than a binding bid.
For the 2,000 sq ft example shown on this page, the estimated range is $19,400 to $39,600. The actual total depends heavily on material: 3-tab asphalt starts near $3.50 per sq ft in our model, while natural slate can reach $30 per sq ft.
Enter your ZIP code, then provide the roof area, material, pitch, complexity, and tear-off requirements. The calculator applies local labor and material factors and separates materials, installation, removal, disposal, permits, and fees.
Roof area, material, local labor rates, pitch, shape, number of valleys and penetrations, removal of old layers, decking repairs, disposal, and permits are the main cost drivers. Difficult access and short contractor supply can also raise labor prices.
Usually. Our current material model places architectural shingles at $4.50 to $7.50 per sq ft and metal roofing at roughly $7 to $18 per sq ft. Metal costs more initially but commonly lasts longer, so homeowners should compare both upfront and lifetime cost.
Contractors use different crews, suppliers, warranties, overhead, schedules, and profit margins. Quotes may also include different assumptions about flashing, ventilation, decking, cleanup, and permits. Compare the scope line by line instead of comparing only the total.
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