Should You Install a Sprinkler System Before or After Your Grass?

Eric Rivas
Apr 22
3 min read

When investing in a new lawn, timing matters. One of the most important decisions homeowners face is whether to install a sprinkler system before or after grass is laid. The short answer? Installing your sprinkler system before your grass is almost always the best choice.

At Rivers Landscape, we’ve helped homeowners across Utah build healthy, long-lasting lawns, and we’ve seen firsthand how proper planning—especially with irrigation—can make all the difference.

A man installing a sprinkler system in Utah.

Why You Should Install a Sprinkler System Before Grass

Landscaping is an investment, and the goal is to protect it from the start. Installing a sprinkler system before your sod or seed goes down helps prevent damage and ensures your lawn establishes properly.

1. Avoid Damaging New Grass

Installing irrigation after your grass is already in place means digging trenches through fresh sod or newly seeded areas. This can:

Tear up your lawn
Create uneven patches
Delay growth and establishment

By installing your sprinkler system first, you avoid unnecessary disruption and keep your lawn looking clean from day one.

2. Ensure Proper Coverage From the Start

A professionally installed irrigation system is designed to deliver even, consistent water coverage across your entire yard.

When done before grass installation, we can:

Position sprinkler heads for optimal spacing
Adjust zones based on sun exposure and slope
Eliminate dry spots and overspray early on

This gives your lawn the best chance to grow in evenly and stay healthy long-term.

3. Promote Strong Root Growth

New grass—whether sod or seed—needs consistent watering to establish deep, healthy roots.

Installing your sprinkler system first allows you to:

Follow proper watering schedules immediately
Avoid overwatering or underwatering
Create ideal conditions for root development

This leads to a thicker, more resilient lawn.

4. Save Time and Money

Doing irrigation after the fact often means:

Paying for additional labor
Repairing damaged grass
Re-leveling areas

Installing your system upfront is more efficient and cost-effective, helping you avoid unnecessary rework.

When Would You Install Sprinklers After Grass?

There are some situations where sprinkler systems are added later—usually during upgrades or renovations. However, this process is more complex and often requires cutting into existing turf.

If you’re starting fresh, installing irrigation first is the smarter, cleaner option.

The Best Approach for a New Lawn

For the best results, follow this order:

Install sprinkler system
Test and adjust coverage
Prepare soil and grade the area
Install sod or seed

This ensures your lawn has everything it needs to grow evenly and stay healthy.

Let Professionals Handle It the Right Way

While it’s possible to install a sprinkler system yourself, proper design and installation require experience—especially in Utah’s unique climate.

At Rivers Landscape, we take care of the entire process:

Custom irrigation system design
Professional installation
Coverage testing and adjustments
Lawn preparation and installation

We make sure your sprinkler system and lawn work together from the start, so you get long-term results—not short-term fixes.

Get Your Lawn Done Right the First Time

If you’re planning a new lawn, don’t leave irrigation as an afterthought. Installing your sprinkler system before your grass goes in is the best way to protect your investment and ensure lasting results.

Rivers Landscape is here to help with expert irrigation and landscaping services throughout Utah.