Basic
$0.39 – $1.46 per sq ft
PVC laterals and main with spray and rotor zones, standard valves, indoor timer, backflow preventer as required
New in-ground lawn irrigation system (trenching, pipe, valves, heads, controller) priced per square foot of irrigated lawn.
Sprinkler System in Seattle, Washington typically costs $0.46 to $1.72 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 sprinkler system.
National average: $0.40 – $1.50 per sq ft
$0.39 – $1.46 per sq ft
PVC laterals and main with spray and rotor zones, standard valves, indoor timer, backflow preventer as required
$0.46 – $1.72 per sq ft
Schedule 40 main line, matched-precipitation heads, outdoor controller with rain sensor, backflow preventer as required
$0.57 – $2.15 per sq ft
Smart weather-based Wi-Fi controller, pressure-regulated heads with check valves, rotary nozzles, swing joints, backflow preventer as required
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.19 – $0.70 | sq ft |
| Labor | labor | $0.19 – $0.71 | sq ft |
| Supplies & Other | supplies | $0.04 – $0.19 | sq ft |
| Equipment & Disposal | equipment | $0.04 – $0.12 | sq ft |
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local sprinkler system contractors in Seattle for personalized quotes based on your specific project.