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What should this roof cost?

Three calculators built on real Los Angeles County rates. They run in your browser. Nothing is sent anywhere and no email is asked for.

Price a job

One square is 100 square feet. Not sure? Work it out from your footprint.

A fair range for this job, at Los Angeles rates

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The dollar figures behind this are Los Angeles rates, because that is the market we can stand behind them in. The squares it works out are right anywhere. For what actually moves the number in your market, read what drives the cost of a roof.

  • A bid far under this range means a smaller scope, not a better price.
  • Bad plywood is priced per sheet on top. Nobody knows how much until the old roof is off.
  • Permit, dump fees and flashing belong in the number. Ask if they are in there.

Roof size and squares

Roof area is bigger than floor area. The slope stretches it.

Roof area

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Attic ventilation

One square foot of vent for every 300 square feet of attic, split evenly low and high.

This attic needs

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A calculator is not a site visit. Use it to check a bid, then get three bids. The guides cover what moves the price, what belongs on a quote, and how to check a license.

Three bids beat one number

The range above is a check, not a quote. The real price comes from three roofers standing on your roof. All 650 listed here are free to call. Nobody paid to be on the list.