Basic
$1.95 – $5.84 per sq ft
1-3 in. river rock in a natural mix 2-3 in. deep over light-duty weed fabric, basic plastic edging
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How Much Does Install River Rock Cost in Seattle, Washington?
Prep beds, lay weed fabric and place 1-3 in. river rock 2-3 in. deep with basic edging, per sq ft, materials and labor.
Install River Rock in Seattle, Washington typically costs $2.29 to $6.87 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Install River Rock in Seattle, Washington
$2.29 – $6.87
per sq ftPrices in Seattle are 19.0% higher than the national average for install river rock.
National average: $2 – $6 per sq ft
What you get at each price level
Standard
$2.29 – $6.87 per sq ft
Washed 1-3 in. river rock in a blended color 2-3 in. deep over woven weed fabric, basic plastic edging
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Find a pro to do thisPremium
$2.86 – $8.59 per sq ft
Select washed 1-3 in. river rock in a uniform tone 2-3 in. deep over heavy nonwoven weed fabric, basic plastic edging
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Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.94 – $2.81 | sq ft |
| Labor | labor | $0.94 – $2.81 | sq ft |
| Supplies & Other | supplies | $0.25 – $0.75 | sq ft |
| Equipment & Disposal | equipment | $0.17 – $0.50 | sq ft |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($0.90-$2.70 per square foot)
- Labor ($0.70-$2.10 per square foot)
- Supplies & Other ($0.24-$0.72 per square foot)
- Equipment & Disposal ($0.16-$0.48 per square foot)
Local Price Adjustments
Material costs4.0% above avg
Labor costs34.0% above avg
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Frequently Asked Questions
References
- Cost to Install River Rock: $3-$7/sq ft (2026) Majestic Rock & Material, majesticmaterial.com, retrieved Nov 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 Seattle
Connect with local install river rock contractors in Seattle for personalized quotes based on your specific project.