lawn sprinkler
How to Install a Lawn Sprinkler System in 2026: Zones, Backflow Preventers and the Permitting Catch Most US Homeowners Miss
A pro irrigation install runs $3,500 to $6,800 for a quarter-acre lot in 2026. DIY brings it down to $1,400 — but only if you get the backflow preventer, the zone math, and the permit right.