Walk into a home that's ready and secure. Cairn Home Co. — licensed, insured, and built on craft.
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.
Make your new Greenland home move-in ready in one visit — rekey or install smart locks, mount the TVs, set up Wi-Fi and smart-home devices, hook up appliances, and run a quick safety check so day one is effortless.
Greenland's bayside estates are exactly who our premium services are built for.
Serving Great Bay, Bayside, Winnicut and all of Greenland, Rockingham County.
National lead-generation sites sell your request to multiple contractors at once. With Cairn Home Co., you get one trusted team that owns the result.
With Cairn Home Co.
With a national lead-generation site
4.9/5 · 9 reviews · 17 completed jobs
Electrical help
2 reviews
Plumbing help
2 reviews
General Mounting
2 reviews
Flooring & Tiling Help
1 review
Light Carpentry
1 review
TV Mounting
1 review
ID-verified, 4.9★ across 17+ jobs — read the reviews on TaskRabbit →
One tap controls your whole home.
02Cinema sound and picture, cleanly installed.
03Fast, reliable coverage in every room.
04The right light, automatically.
05Light and privacy, on schedule.
06See and control your home from anywhere.
07Keyless, controlled, and logged.
08See every visitor, from anywhere.
09Smarter, more efficient commercial space.
10Protect your business, on your terms.
11The backbone your business runs on.
12One elegant system for the whole home.
13The gold standard in light control.
14Great sound in every room.
15Mounted level, with the wires hidden.
16Cinema at home, properly done.
Membership turns one-off fixes into a home that is watched over year-round — priority service, member pricing, and proactive care.
Proactive care for a connected home.
$99/month
Homeowners with a smart-home or networking system who want it watched over.
Whole-home maintenance, handled.
$249/month
Busy professionals who want one company keeping the whole home in order.
Full property management and concierge care.
$499/month
Estate and second-home owners who want total peace of mind.
Yes — we recommend rekeying or installing smart locks immediately; we can do both.
Most move-in setups are handled in a single visit; larger smart-home work may take longer.
Yes — we verify smoke/CO detectors, the panel, and water shut-offs as part of setup.
Tell us about your project. We respond fast — usually the same day — with a clear, honest plan.