ShingleTallySquares, bundles and everything else a roof needs, counted properly.

How much does a 20-square roof replacement cost in Gary, IN?

A full asphalt shingle roof replacement in Gary, IN
$13,843
20 squares · typical range $9,394 – $22,248
Typical total$692 per square$13,843
Range you should see in bidsthree bids on the same scope normally land inside this$9,394 – $22,248
Labor portion60% of the job — this is the part that moves by city$8,306
Material portion40% — bought at national prices$5,537
Roofers pay near Garyabout $39/hr · Chicago-Naperville-Elgin, IL-IN metro$81,010/yr
U.S. mean for the same tradeSOC 47-2181$58,140/yr
Versus the national pricetrade pay here runs +39.3% against the U.S. mean+$2,643
Ice barrier requiredGary designs to 0°F, so IRC R905.1.2 ice barrier applies — two courses of membrane at the eaves, typically $60–$120 per square added—

Notes

  • Where the number comes from. The national price for a full asphalt shingle roof replacement is $560 per square — installed asphalt shingle pricing published for 2026, $3.50–$10.00 per ft² of roof. Labor is about 60% of that. Roofers near Gary, IN average $81,010 a year against a U.S. mean of $58,140 — a factor of 1.393 — so the labor half is scaled by that and the material half is not. Source: BLS OEWS May 2025 for the Chicago-Naperville-Elgin, IL-IN metro area, SOC 47-2181.
  • Why the city matters, not just the state. Trade pay moves inside a state as much as it does between states. Crews do not commute across a state to bid a job, and materials ship at national prices either way — so a metro wage is the honest input here and a state average quietly rounds four different cities into one number.
  • Ice barrier required. Gary designs to 0°F, so IRC R905.1.2 ice barrier applies — two courses of membrane at the eaves, typically $60–$120 per square added.
  • What is in the price: tear-off of one layer, synthetic underlayment, architectural shingles, starter, ridge cap, drip edge, nails, disposal and labor.
  • What is not: decking replacement, chimney or skylight flashing rebuilds, structural repair, and permits. These are the lines that turn a $13,843 quote into a $17,304 invoice, so ask about each one before signing.
  • Use this as a bid check, not a quote. It prices an average job in average condition. Difficult access, the state of what is being replaced, the season, and a crew booked out three months all move the real number, and none of them are in a per-unit average.

a full asphalt shingle roof replacement in Gary, IN

$13,843 is the typical number, and three bids on the same scope normally land between $9,394 and $22,248.

That is $2,643 more than the same job priced at the national average.

Why the city changes the number

About 60% of this job is labor — $8,306 of the $13,843 above. Labor is the only part that moves locally; a bundle of material costs what it costs wherever it is nailed down.

Roofers near Gary average $81,010 a year, against a U.S. mean of $58,140. That is a factor of 1.393, so the labor half is scaled by it and the material half is not.

Source: BLS OEWS May 2025 for the Chicago-Naperville-Elgin, IL-IN metro area, SOC 47-2181.

What the quote should include

Ice barrier required

The lines that turn a quote into an invoice

Ask about each of them before you sign. On a job this size they are the difference between $13,843 and something a quarter higher.

Use it as a bid check, not a quote

This prices an average job in average condition. Access, the state of what is being replaced, the season, and a crew booked out three months all move the real number, and none of them are in a national average.

If a bid lands outside $9,394 – $22,248, that is not automatically wrong — but it is the question worth asking out loud.

Nearby sizes

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