Basic
$2.92 – $6.81 per sq ft
2-3 in. mixed tan-gray river rock spread about 2 in. deep over light-duty weed fabric, raked even

River rock landscape bed supplied and installed (2-3" stone at ~2-3" depth including labor); landscape fabric, edging and grading vary by job.
Landscape River Rock in Seattle, Washington typically costs $3.44 to $8.02 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Seattle are 19.0% higher than the national average for landscape river rock.
National average: $3 – $7 per sq ft
$2.92 – $6.81 per sq ft
2-3 in. mixed tan-gray river rock spread about 2 in. deep over light-duty weed fabric, raked even
$3.44 – $8.02 per sq ft
2-3 in. washed river rock in a blended color about 2-1/2 in. deep over contractor-grade fabric, bed edges cut clean
$4.29 – $10 per sq ft
2-3 in. select washed river rock in a matched color blend about 3 in. deep over heavy fabric, bed edges cut clean
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.40 – $3.28 | sq ft |
| Labor | labor | $1.41 – $3.28 | sq ft |
| Supplies & Other | supplies | $0.37 – $0.87 | sq ft |
| Equipment & Disposal | equipment | $0.25 – $0.58 | sq ft |
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local landscape river rock contractors in Seattle for personalized quotes based on your specific project.