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What a new roof costs in south St. Louis County, with sources

Roof Replacement Cost in Oakville, MO (2026)

How much will a new roof cost in Oakville, MO? No one can give you a single number before seeing the roof, but published figures show what a reasonable bid looks like. This guide lays out Missouri and St. Louis-area prices with each source and year, what moves a price, and how to read an estimate.

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Average Costs, Labeled

None of the figures below is a quote. They come from two published estimators. This Old House reports Missouri-wide averages, and HomeBlue publishes St. Louis-area ranges built from a cost model rather than a survey of local bids. Use them to judge whether an Oakville, MO estimate is in a sensible range, not as a price you can hold anyone to.

Cost rowFigureSource (year)
Missouri re-roof, typical totalabout $6,931 (common range $5,392–$17,837)This Old House (2026)
Missouri asphalt, per sq ftabout $4.59 per sq ftThis Old House (2026)
St. Louis-area shingle roof, installed$5–$8 per sq ft; a 2,000 sq ft roof lands near $9,600–$15,100HomeBlue cost model (2024)
Missouri metal, per sq ftabout $8.51 per sq ftThis Old House (2026)
St. Louis-area metal roof, installed$8–$13 per sq ftHomeBlue cost model (2024)

The statewide total blends small and large homes from every corner of Missouri, so it sits lower than the St. Louis-area rows for a typical house here. Both sources price metal well above shingles per square foot. Keep in mind that these rates apply to roof surface, which is bigger than your floor plan once pitch and overhangs are added.

Estimate your own range with the cost calculator

What Changes the Price

Two houses on the same street can get very different bids. These are the usual reasons.

  • Roof size and shape. More roof surface means more material and labor. Valleys, dormers and hips add cutting, flashing and time.
  • Pitch. A steep roof calls for extra safety setup and slower work than one a roofer can walk, and labor rises to match.
  • Tear-off and decking. Stripping old layers and replacing soft or rotted boards are often priced on their own lines. Nobody knows the decking's condition until the old roof is off.
  • Material grade. Three-tab, architectural and Class 4 impact-resistant shingles each carry a different price. This Old House recommends Class 4 for Missouri homes, but it is an optional upgrade here, not a requirement.
  • Permits. Under St. Louis County's code, re-roofing a roof pitched below 4:12 needs a permit, and so does switching materials, say from shingles to metal. Your roofer should check with the County and pull whatever the job needs.
  • Flashing, vents and edges. New flashing, ridge vents and drip edge may be included or added on, so compare how each bid treats them.

In nearby Arnold, MO, the rules can change the size of the job itself. A 2025 city ordinance counts replacing more than 25 shingles as a roof replacement, and when part of a roof has to be replaced, the whole roof generally must be. Plan on a city permit there, and budget with that in mind.

Dark shingle roof with three white gabled dormers

Reading a Roofing Estimate

Comparing bids only works when they describe the same job. Ask every roofer for a written, itemized estimate, then look for these lines.

  • Scope of work. Full tear-off or overlay, how many layers come off, and the roof area measured in squares.
  • Named products. The shingle or panel line, the underlayment, and any ice-and-water barrier.
  • Decking price. A set cost per sheet for replacement boards, so hidden rot doesn't come with a surprise price.
  • Permit. Whether the job needs one and who pulls it.
  • Warranty and insurance. The workmanship warranty in writing, plus proof of the roofer's liability insurance.
  • Payment terms. How much is due up front and what triggers the final payment.

When insurance is paying for the job, Missouri law adds a requirement. The contract must come with a bold notice of your right to cancel after a written claim denial and a detachable cancellation form. The Missouri roofing rules page explains how that works.

Deductibles, Explained

Your deductible is the part of a covered claim you pay yourself. Under RSMo 407.725, a Missouri roofer may not advertise or promise to pay or rebate any of it. The ban also covers discounts, allowances and payments of any kind to anyone tied to the property. An offer to "take care of" your deductible is against Missouri law, and a good reason to look elsewhere.

How much a policy pays on an older roof depends on the carrier. Past a certain roof age, some settle at actual cash value instead of replacement cost, leaving a bigger share to you. The Missouri Department of Commerce and Insurance (DCI) offers a "Raising the Roof" tool that compares carriers' roof coverage. Missouri has no roof grant and no required discount for impact-resistant shingles.

On a claim, a roofer's role is to inspect, photograph and price the damage. You and your insurer settle the claim. If you want someone to represent you, that is the job of a public adjuster licensed under RSMo 325.015. DCI's consumer line is (800) 726-7390.

Turn the Range Into a Quote

Averages can't see your roof, but a roofer standing on your driveway can. Tell us about your Oakville, MO home and we'll connect you with one independent local roofer for a free inspection and a written estimate. The roofer pays us for the referral. You pay nothing for the match and decide on your own terms.

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