NH & MA Irrigation, Hydroseeding
& Aeration - Over Seeding / Slice Seeding


Irrigation Services

Gagnon's Irrigation professionally installs new irrigation systems, maintains and repairs all brands of irrigation systems, provides spring startup and winterizing services, as well as our new service plan.

Consultation & Design

Consultation with client about their concerns, needs, and pricing. We will design a system that is cost effective, efficient, and saves water.

New Installations

We install Hunter & Rain Bird Irrigation systems, it is the customers choice.
New Irrigation systems are maintenance free & easy to operate

Maintenance & Repair

We maintain and repair all brands of irrigation. Trouble shooting, valve locating, panel upgrades, etc.


Add ons occur usually when the client adds or changes the landscape and or lawn area. We can add heads, move them, etc. Anything to meet your needs.

Rain Sensors

Monitor rainfall levels, and automatically override the irrigation controller to prevent unnecessary watering during rainy weather. Conserving water and saving you money.

Moisture Sensors

Reads soil moisture content, and helps conserve much needed water. Therefore only watering when soil moisture drops below a predetermined percentage.

Spring Startups

  • Turn on the water
  • Full system walk through
  • Program panel
  • Adjust spray patterns
  • Replace & repair parts, pipes or fittings

Service Plan

  • Spring Startup
  • Monthly walk through
  • Winterizing


  • Turn off water supply
  • Blow out complete system with compressed air
  • Drain feed line between water feed and foundation
  • De-activate control panel

Fully Licensed & Insured

Mastercard & Visa Accepted


Email Us

Gagnon's Landscaping, LLC

PO Box 560
Pelham, NH 03076