A standard residential sprinkler installation in Spokane typically costs $3,500 to $7,500 as of 2026 and takes one to three working days. Front-yard-only systems can start near $2,500; larger or trickier lots run $7,500 to $12,000. New systems and additions get a free estimate.
What it costs
| Front-yard-only system | From about $2,500 |
| Standard residential system | $3,500 to $7,500 |
| Larger or rocky lots, full coverage | $7,500 to $12,000 |
| Backflow assembly (required in Washington) | $250 to $600 installed |
| Smart controller upgrade | $200 to $500 over a basic model |
| Drip add-on for garden beds | $300 to $900 |
Typical ranges as of 2026 from our own guides. New systems and additions get a free written estimate. All prices.
What moves the price
Property size and zone count come first, then soil (rocky and clay pockets take longer to trench), your water service capacity, and add-ons like drip zones or a smart controller. Your written estimate shows your zone count and layout.
Additions to an existing system
New beds, a fenced side yard, a patio that changed the layout: we add zones and coverage to systems already in the ground, and those get a free estimate too.
How it works
- Free estimate. We walk the yard and design the zones.
- Install day. One to three working days for most homes, lawn put back as we go.
- Walkthrough. Controller set, zones explained, and you know where every valve is.