Basic
$13 – $23 per sq ft
2x10 joists at 16 in. on center on hangers with 3/4 in. tongue-and-groove OSB subfloor, glued and nailed
Photo: National Institute of Standards and Technology · Public domain · Source
How Much Does Frame Subfloor Cost in Washington, District of Columbia?
Frame Subfloor: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Frame Subfloor in Washington, District of Columbia typically costs $15 to $27 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Frame Subfloor in Washington, District of Columbia
$15 – $27
per sq ftPrices in Washington are 5.0% higher than the national average for frame subfloor.
National average: $15 – $26 per sq ft
What you get at each price level
Standard
$15 – $27 per sq ft
Engineered I-joists at 16 in. on center with rim board and blocking, 3/4 in. T&G OSB subfloor glued and screwed
Premium
$19 – $34 per sq ft
Deeper engineered I-joists at 16 in. for a stiffer floor, rim and blocking, 3/4 in. T&G plywood subfloor glued and screwed
Cost Breakdown in Washington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $6.95 – $12 | sq ft |
| Labor | labor | $5.36 – $9.33 | sq ft |
| Supplies & Other | supplies | $1.85 – $3.22 | sq ft |
| Equipment & Disposal | equipment | $1.24 – $2.15 | sq ft |
Prices adjusted for Washington local market conditions.
Cost Factors in Washington, District of Columbia
What Affects Pricing
- Materials ($6.62-$11.53 per square foot)
- Labor ($5.15-$8.97 per square foot)
- Supplies & Other ($14.71-$25.62 per square foot)
- Equipment & Disposal ($14.71-$25.62 per square foot)
Local Price Adjustments
Material costs5.0% above avg
Labor costs4.0% above avg
Frequently Asked Questions
How we price this
BuildX Pro researches and reviews the national price range for Frame Subfloor, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Sep 2026.
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
Get Free Estimates in Washington
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