Basic
$1.95 – $3.89 per sq ft
Blue-gray slate chips about 3/4-1-1/2 in. spread 2 in. deep over woven landscape fabric pinned with staples
How Much Does Slate Chips Cost in Seattle, Washington?
Loose slate landscape chips spread over prepared ground with weed-barrier fabric (~2 in. depth), material and labor per sq ft of coverage.
Slate Chips in Seattle, Washington typically costs $2.29 to $4.58 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Slate Chips in Seattle, Washington
$2.29 – $4.58
per sq ftPrices in Seattle are 19.0% higher than the national average for slate chips.
National average: $2 – $4 per sq ft
What you get at each price level
Standard
$2.29 – $4.58 per sq ft
Graded blue-gray slate chips 2 in. deep over heavier nonwoven fabric, staples at closer spacing, raked even
Premium
$2.86 – $5.73 per sq ft
Larger flat slate chips in blended plum and green tones, 2 in. deep over heavy-duty fabric, hand-raked even edges
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.94 – $1.87 | sq ft |
| Labor | labor | $0.94 – $1.88 | sq ft |
| Supplies & Other | supplies | $0.25 – $0.50 | sq ft |
| Equipment & Disposal | equipment | $0.17 – $0.33 | sq ft |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($0.90-$1.80 per square foot)
- Labor ($0.70-$1.40 per square foot)
- Supplies & Other ($0.24-$0.48 per square foot)
- Equipment & Disposal ($0.16-$0.32 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
- Majestic Material - Decorative Rock Cost Guide (2026), majesticmaterial.com, retrieved Nov 2026
- Landscaping BCS - Slate Chips Landscaping Guide 2026, landscapingbcs.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 slate chips contractors in Seattle for personalized quotes based on your specific project.