
Subflooring is a crucial component in any residential project, providing the foundation for finished flooring. The cost of subflooring can range from $6.50 to $11.00 per square foot for complete replacement, with smaller repairs costing between $850 and $1,500. Accurate estimation is essential for contractors to provide reliable quotes and maintain project profitability.
• Plywood sheathing (5/8"–3/4")
• OSB panels
• Engineered panels for moisture-prone areas
Material costs account for 30-40% of the total subfloor cost. Choosing premium materials can reduce issues like squeaks and moisture damage.
• Removal of existing flooring
• Installation of new sheathing
• Compliance with local fastening codes
Labor typically represents 35-45% of subfloor costs. Efficient labor management is crucial to avoid overtime and additional expenses.
Disposal of old materials can add significant costs. Accurate estimation of debris weight and disposal fees is essential to avoid underestimation.
• Liquid membranes for wet areas
• Joist sistering or leveling compounds
• Vapor barriers for crawl spaces
Proper moisture management prevents future issues and callbacks, ensuring long-term floor stability.
• Use tongue-and-groove OSB where possible
• Schedule demolition and installation on the same day
• Utilize screw-shank nails with adhesive
• Order pre-ripped panels for efficiency
• Isolated water damage
• Minor squeaks
• Small depressions
• Widespread mold or rot
• Excessive joist deflection
• Change in finish floor requirements
• Stagger panel seams to prevent telegraphing
• Ensure joist moisture content is below 14%
• Leave expansion gaps between panels
• Use construction adhesive to reduce squeaks
Accurate subfloor cost estimation is vital for preventing budget overruns and ensuring a solid foundation for future work. CountBricks provides transparent pricing and detailed scopes to facilitate upselling and enhance project value.
CountBricks offers tools to streamline subfloor cost estimation, providing detailed, shareable estimates in minutes. Visit CountBricks.com to learn more.

A 1904 Victorian home in San Francisco required a subfloor upgrade to support its historic heart-pine floors. The project involved addressing squeaks and moisture issues to preserve the home's character.
1. Captured room dimensions and issues via live voice intake.
2. Uploaded existing floor plans for AI analysis.
3. Estimated subfloor costs at $8.65 per square foot.
4. Recommended moisture mitigation measures.
• Completed the project one day ahead of schedule.
• Eliminated noise complaints.
• Secured additional renovation work due to client satisfaction.
• Real-time pricing protected against cost increases.
• Moisture checks ensured proper installation.
• Transparent estimates built client trust.
Utilize CountBricks' services to start every subfloor project with accurate estimates. Visit CountBricks.com to schedule a demo and enhance your subfloor estimation process.