Cost to Subfloor Repair & Replacement in Detroit, MI (2026)

If you’re budgeting a subfloor repair & replacement in Detroit, most projects run $982-$4,910, 2% below the $2,500 national average. What moves that number most is usually one thing: Size of Damaged Area. On its own it can swing the cost by $3 - $10 per sq ft, so that’s the decision to slow down on before you sweat the smaller stuff.

Easiest place to save: Remove the existing floor covering yourself to save $1-$4/sq ft ($200-$800 on a typical room)

In the Midwest (where Detroit sits): Lowest costs nationally.

$982-$4,910 in Detroit

2% below the national average · 0.98x cost multiplier

In Detroit, a subfloor repair & replacement runs $982 to $4,910 on average - about 2% below what homeowners pay nationwide. The Midwest market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.

Cost Breakdown in Detroit

Line ItemLowMidHigh
Cost per sq ft$3$6$10
Materials$231$740$1,850
Labor$407$1,526$3,561
Permits$0$93$185
Total$638-2% vs. national avg$2,359-2% vs. national avg$5,596-2% vs. national avg

Budget

Small patch repair (25-50 sq ft) of water-damaged plywood subfloor. Cut out damaged section, replace with matching plywood, secure to joists.

Mid-Range

Moderate area replacement (100-300 sq ft) of damaged subfloor with 3/4-inch CDX or tongue-and-groove plywood. Includes existing floor removal, joist inspection, and new subfloor installation.

Premium

Full room or multi-room subfloor replacement (300-600+ sq ft) including joist repair, mold remediation, new 3/4-inch AdvanTech or OSB subfloor, and glue-and-screw installation.

Material Options

Material prices below are national averages; availability in Detroit may shift costs slightly.

MaterialCost/UnitBest For
CDX Plywood (3/4-inch)$1.00-$1.50/sq ftStandard subfloor replacement in dry areasIndustry standard, strong, widely available, accepts all flooring types
OSB (Oriented Strand Board, 23/32-inch)$0.80-$1.25/sq ftBudget replacements in areas with no moisture riskCheapest option, consistent strength, large panel sizes available
AdvanTech/Engineered Subfloor$2.00-$3.00/sq ftBathrooms, kitchens, laundry rooms, and any area with moisture riskMoisture-resistant, won't swell, stiffer than plywood, 500-day weather exposure warranty
Tongue-and-Groove Plywood (3/4-inch)$1.25-$2.00/sq ftOpen living areas where squeak prevention mattersInterlocking edges reduce squeaks, stronger joint, smoother surface

Other Projects in Detroit

Detroit Estimate

Typical Range

$982-$4,910

vs. National Average

2% below national

Cost Multiplier

0.98x

Cost Per sq ft

$3-$10

This 0.98x estimate prices Detroit labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.

See national average costs →