Merrimack, NH

Find the Best Contractors in Merrimack

Discover top-rated home service professionals in Merrimack, New Hampshire. Browse 145 verified contractors for roofing, HVAC, plumbing, and more.

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Merrimack, NH

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Top Contractors in Merrimack, NH

Showing 1-20 of 145 contractors

TJO Contracting LLC

TJO Contracting LLC

2312 Columbia Cir, Merrimack, NH 03054

5(14 reviews)

"He does quality work and reasonable pricing."

GuttersGeneral Contracting
Hours
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A and C Mechanical LLC

A and C Mechanical LLC

23 Fairway Dr, Merrimack, NH 03054

5(9 reviews)

"Artie and Corey did a awesome job replacing our ac and furnace."

HVAC
Hours
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Ed Cyr Roofing

Ed Cyr Roofing

100 Peaslee Rd, Merrimack, NH 03054

5(41 reviews)

"Quality work on a new roof and new gutters was done on budget and on time."

RoofingGutters
Hours
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Atomic Tree Service

Atomic Tree Service

26 Wright Ave, Merrimack, NH 03054

5(9 reviews)

"Great prices, amazing work, and extremely professional!"

Tree Services
Hours
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JMS Plumbing and Heating LLC

JMS Plumbing and Heating LLC

11 Jakes Ln, Merrimack, NH 03054

5(213 reviews)

"He was able to make time to fix my leaky toilet on short notice."

PlumbingHandymanHVAC
Hours
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Aegis Comfort Systems Inc

Aegis Comfort Systems Inc

6 Shady Ln, Merrimack, NH 03054

5(3 reviews)

"Recommended some helpful tips around the furnace also."

HVAC
Hours
Curtis Drywall

Curtis Drywall

41 Amherst Rd, Merrimack, NH 03054

5(2 reviews)
Drywall
Hours
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Hurd Carpentry

Hurd Carpentry

42 Bean Rd, Merrimack, NH 03054

5(1 reviews)

"From start to finish, Matt proved to be hardworking, honest, and skillful."

General Contracting
Hours
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Ron Allen Building & Remodeling

Ron Allen Building & Remodeling

17 Brookfield Dr, Merrimack, NH 03054

5(1 reviews)

"Top Notch work, exceptional service!!"

RoofingSidingHandymanGeneral Contracting
Hours
Integrity Painting & Wallpaper

Integrity Painting & Wallpaper

46 Country Club Ln, Merrimack, NH 03054

5(7 reviews)

"Peter is professional, clean and his work is fantastic."

Painting
Hours
SRS Petroleum Services / NSI Contracting

SRS Petroleum Services / NSI Contracting

6 Wright Ave, Merrimack, NH 03054

5(2 reviews)
General Contracting
Hours
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Graham Outdoor Services

Graham Outdoor Services

25 Woodland Dr, Merrimack, NH 03054

5(4 reviews)

"The spring clean up of our yard was extremely thorough."

Landscaping
Hours
Principe Landscaping

Principe Landscaping

34 Dahl Rd, Merrimack, NH 03054

5(1 reviews)

"TJ has been cutting my lawn and doing spring cleanup for a number of years."

Landscaping
Hours
Britec Inc.

Britec Inc.

58 Middlesex Rd, Merrimack, NH 03054

5(1 reviews)

"Friendly and helpful."

Electrical
Hours
Backwoods Landscaping, LLC

Backwoods Landscaping, LLC

1 Parker Dr, Merrimack, NH 03054

5(7 reviews)

"Sean always works to perfection."

Landscaping
Hours
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Paul Mechanical LLC.

Paul Mechanical LLC.

1502 Columbia Cir, Merrimack, NH 03054

5(4 reviews)

"Highly recommend for HVAC work and Matt Wood was outstanding."

HVACGeneral Contracting
Hours
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All Outdoors Landscaping & Excavation

All Outdoors Landscaping & Excavation

11 Brieann Dr, Merrimack, NH 03054

5(5 reviews)
LandscapingGeneral Contracting
Hours
A-Z Roofing

A-Z Roofing

567 Daniel Webster Hwy, Merrimack, NH 03054

5(41 reviews)

"Angel and his crew did a great job with my roof and skylight replacement!"

RoofingSidingGuttersGeneral Contracting
Hours
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RP Pro Paint and Contracting

RP Pro Paint and Contracting

301 Daniel Webster Hwy, Merrimack, NH 03054

5(3 reviews)

"They were hard-working, punctual, responsive, and courteous."

PaintingWater Damage Restoration
Hours
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La Querre & Sons Masonry

La Querre & Sons Masonry

12 Thornton Rd W, Merrimack, NH 03054

5(1 reviews)
Masonry
Hours
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Top Rated Contractors 2026

Merrimack, NH

Every contractor shown for Merrimack, New Hampshire is listed with the rating and review count from its public Google Business Profile, so you can compare local professionals on the same basis. Businesses marked as claimed have confirmed their own details, which is not the same as a licence or insurance check. Confirm licensing and insurance directly, then request at least three written estimates before you hire in Merrimack.

Frequently Asked Questions

Common questions about finding contractors in Merrimack

Prices in Merrimack depend on the trade, the size and complexity of the job, and the materials you choose. Small repairs often start in the low hundreds of dollars, while full replacements such as a roof, HVAC system, or kitchen can run from several thousand dollars upward. Request at least three written estimates for the same scope so you can compare local pricing fairly.

Start with the listings on this page, then confirm the licence directly with the licensing board that covers New Hampshire. Requirements vary by trade: some states license general contractors, while others license only electrical, plumbing, and HVAC work. Ask for the licence number and verify it yourself before signing anything.

Most listings in Merrimack are aggregated from public business data, including the Google Business Profile rating and review count shown on each page, and are not individually inspected by us. A listing marked as claimed simply means the owner has confirmed control of the business record; it is not a licence or insurance check. Always verify licensing, insurance, and references before you hire.

Costs in New Hampshire depend heavily on the trade and the project. Labour rates vary by region, licensed trades such as electrical and plumbing usually cost more per hour than general labour, and emergency or after-hours work carries a premium. Statewide averages are only a starting point; get itemized quotes from local contractors for your exact scope.

Permit rules are set by the local authority that covers Merrimack. Structural work, additions, and most electrical, plumbing, HVAC, and roofing replacements require a permit, while some cosmetic work does not. Ask who is pulling the permit and confirm it is issued in the correct name before work starts, because unpermitted work can complicate resale and insurance.

A deposit of roughly 10-30% of the contract price to cover materials is common in Merrimack, with the balance tied to milestones in a written contract. Be cautious of anyone demanding full payment up front, large cash-only payments, or payment before the work is scheduled. A written payment schedule protects both sides.

Compare quotes on the same written scope of work, not on the bottom line alone. Check that each quote lists materials and brands, labour, permits, cleanup, and exclusions, and ask how change orders are priced. A bid that is far below the others usually means something has been left out.

A contractor contract in New Hampshire should state the full scope, materials, total price and payment schedule, estimated start and completion dates, the licence number, how changes will be approved and priced, the warranty, and who handles permits and cleanup. Read it before signing and keep a copy.

Timelines in Merrimack vary widely by trade and scope, from a same-day repair to several months for a major remodel. Weather, permit queues, and material lead times all affect the schedule. Ask each contractor for a written timeline and confirm how they handle weather or inspection delays.

Read the Google review excerpts shown on each listing for patterns rather than judging only by the star average. Also check the state or provincial licensing board for complaints, ask the contractor for recent local references, and confirm they carry insurance. A single bad review matters less than a consistent theme.

Pricing in Merrimack reflects local labour rates, cost of living, demand, and how far crews have to travel. Dense metro areas and high-cost regions usually run above the state average, while smaller markets can be below it. The only accurate comparison is like-for-like quotes from contractors who work in Merrimack.

Document everything in writing first, including photos, dates, and the contract. Ask the contractor to fix the issue under the warranty, and if they refuse, file a complaint with the New Hampshire licensing board or consumer-protection office. You can also contact us so we can review the listing associated with that business.