Subfloor Replacement Costs??
On February 16, 2025 By newsroom Topic: Home Services
Average Costs
- Per Square Foot: $3–$10.
- Typical Range: $900–$3,000 (for 300 sq. ft.).
- Average National Cost: $1,560.
- Labor Costs: $25–$30/hour.
Costs by Room
- Bedroom: $450–$1,500.
- Living Room: $900–$3,000.
- Kitchen: $600–$2,000.
- Bathroom: $120–$400.
- Basement: $3,000–$10,000.
Subfloor Materials & Costs (Per Sq. Ft.)
- Plywood: $2.50–$3.50 (common & affordable).
- OSB (Oriented Strand Board): $2.50–$4.50 (cost-effective but weaker).
- Amdry: $3–$10 (moisture-resistant, great for basements).
- DRIcore: $2.50–$9 (moisture-proof, ideal for bathrooms/kitchens).
- Barricade: $2–$10 (soundproof and insulated).
- Warmboard: $7 (for radiant heating systems).
- Concrete: $6 (durable, doubles as flooring).
Additional Costs
- Floor Joist Repair: $100–$300 per joist.
- Mold Remediation: ~$2,000.
- Underlayment: $0.50–$5.50/sq. ft. (adds comfort & insulation).
- Permits: $50–$200 (varies by project size).
- Flooring Installation:
- Hardwood: $6–$12/sq. ft.
- Laminate: $3–$8/sq. ft.
- Carpet: $3–$11/sq. ft.
- Tile: $5–$45/sq. ft.
- Linoleum: $3–$12/sq. ft.
DIY Costs
- Materials: $2–$10/sq. ft.
- Tools:
- Circular Saw: $40+.
- Nail Gun: $150+.
- Crowbar: $10.
- Savings: Avoid $25–$30/hour labor cost but risk improper installation.
Signs You Need Subfloor Replacement
- Squeaky or sagging floors.
- Water damage, warping, or musty smells.
- Cracking tiles or uneven surfaces.
How to Save on Costs
- Get Multiple Quotes: Compare at least three contractors.
- DIY Removal: Save labor costs by removing old subfloor yourself.
- Replace Damaged Sections Only: Avoid full replacement when possible.
- Choose Affordable Materials: Plywood or OSB for budget-friendly options.
Subfloor replacement ensures a stable foundation for your floors. Hiring a pro guarantees durability, while DIY offers savings for experienced homeowners.
