Lawn sprinkler irrigation system total cost
By My Yard Editorial Team · 7/28/2026
The Quick Answer
A full irrigation install averages $2,500–$6,000 for a quarter-acre, or roughly $600–$1,200 per zone. Add $100–$200 per year for winterization and spring startup.
The Witty Breakdown
Zone count drives everything. Sun and shade areas, beds, and turf all need separate zones because they want wildly different amounts of water.
A smart controller with a rain sensor costs $150 more and usually saves that in one summer's water bill.
Step-by-Step Fix
- 1
Have the installer do a pressure and flow test before designing zones.
- 2
Require head-to-head coverage — sprays should reach each other, not just 'mostly'.
- 3
Use drip lines in beds, not spray heads.
- 4
Budget yearly blowout; a frozen backflow preventer is a $400 spring surprise.
Pro-Tip / Do Not Do This
Don't skip the backflow preventer or the permit. Many towns require both and will make you retrofit.
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