Most residential sprinkler installations in Spokane run $3,500 to $7,500 as of 2026. Front-yard-only systems can start near $2,500, while larger properties with many zones, rocky soil or full-yard coverage often land between $7,500 and $12,000. Revive gives free estimates on new systems and additions.
What moves the price: property size and zone count, soil, your water service capacity, the required backflow assembly ($250 to $600 installed), and add-ons like a smart controller ($200 to $500 over a basic model) or drip for beds ($300 to $900).
Full guide: Sprinkler installation in Spokane: cost, timing and what to expect.
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