A replacement could be as low as $1,200 or as high as $30,000. With that said, on average, most roofing companies will charge somewhere between $3.50 and $5.50 per square foot, or $350 to $550 per square (100 square feet) to install or replace an asphalt shingle roof.

How do I calculate the size of my roof?

Multiply your house length by your house width to get the area. (For example, 40 feet x 30 feet = 1,200 square feet.) Next, multiply the area by your roof’s pitch. (1,200 x 1.05 = 1,260 square feet.)

How much does it cost to reroof a 1000 square foot house?

Roof Size and Pitch A new roof on a 1,000-square-foot house costs an average of $4,000 to $5,500 while the cost to replace a 3,000-square-foot home’s roof can rise to an average of $11,200 to $16,000.

What is the average price to tear off and replace a roof?

Depending on the type of roof you’re replacing, the size, and pitch, the national average to tear off and replace a roof range between $5207 – $12,969.

How do you know when it’s time to replace your roof?

9 Signs It’s Time to Replace Your Roof

  • Water Damage in the Upstairs or Attic.
  • The Roof Has Outlived its Lifespan.
  • The Roof Sags.
  • Moss, Mold, or Fungi Have Taken Over.
  • Curling or Buckling Shingles.
  • Missing Shingles or Granules.
  • Missing Flashing, Gutter Guards or Fascia.
  • You’re Frustrated by Your Cooling Bills.

What is the average cost of a roof?

For an average roof of 17 squares (according to the United States Census, which puts average home size at 2,200 square feet and two stories), roofing materials typically range from $2,500 to $25,000. Consider that, for most projects, the quote breaks out to 40% product and 60% labor.

What is the cheapest roof to install?

Asphalt Shingles. Asphalt Shingles is the cheapest roofing option in North America.

  • Wooden shingles. Wooden shingles are usually made from wood that is resistant to fire.
  • Metal roofing. Metal roofing can vary significantly in terms of quality and pricing.
  • Slate roof. Roof made of slate is quite expensive compared to all the aforementioned options.

    • How to calculate the cost of a new roof?

    Enter you house/building/structure ground dimensions,including roof overhangs (if your roof has overhangs,ADD[overhang width*2]to each house side that has an overhang).

  • Select roof slope/pitch/angle. This will help us accurately calculate your roof area.
  • Select roof complexity.
  • Select tear-off (old shingles removal).

    • How much does it cost to build a roof?

    Most homes today have roofs made of trusses 1, which are made offsite and delivered for installation. A 1,500sq.ft. roof has an average cost range of $14,500 to $18,400, with most homeowners spending around $16,000 on a 1,500 sq.ft. cross-gable roof on a two-story home.