Cairn Grounds
Irrigation, sprinkler systems, landscape lighting, and seasonal outdoor care for your property.
24-hour estimates · weekends included
NH Registered
Fully Insured
Licensed Trades
24/7 Emergency
NH registered
OSNH Home Services LLC, an established New Hampshire company.
Fully insured
General-liability coverage on every job, in every home.
Licensed trades
Electrical and plumbing performed by NH state-licensed professionals.
One company
Smart home, build, and care — one accountable point of contact.
Cairn Grounds services
Sprinkler System Installation
A greener lawn, automatically.
02Irrigation Repair & Tune-Ups
Fix dry spots and leaks fast.
03Sprinkler Winterization
Protect your system from a NH winter.
04Smart & Standard Irrigation Timers
Control your watering from anywhere.
05Landscape & Outdoor Lighting
Curb appeal and safety after dark.
06Sprinkler System Start-Up
Wake your system up the right way.
Get a free Cairn Grounds quote
Tell us about your project. We respond fast — usually the same day — with a clear, honest plan.
- — Same-day response on most requests
- — Licensed, insured, and accountable
- — Clear pricing before any work begins