Frederick, MD

Find the Best Contractors in Frederick

Discover top-rated home service professionals in Frederick, Maryland. Browse 200 verified contractors for roofing, HVAC, plumbing, and more.

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Frederick, MD

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Top Contractors in Frederick, MD

Showing 1-20 of 200 contractors

JVR Plumbing, LLC

JVR Plumbing, LLC

Frederick, MD

5(2 reviews)

"Jorge was extremely kind, efficient, and most importantly, affordable!"

Plumbing
Hours
Lumen Brothers Electric Company

Lumen Brothers Electric Company

7536 Dance Hall Rd, Frederick, MD 21701

5(88 reviews)

"He was professional, respectful, and did a great job in a timely manner."

ElectricalSolar
Hours
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Richard Young Plumbing

Richard Young Plumbing

Frederick, MD

5(1 reviews)
Plumbing
Hours
SB Plumbing, LLC

SB Plumbing, LLC

Frederick, MD

5(2 reviews)

"Quaility work and quaility guys."

PlumbingGeneral Contracting
Hours
Helping Hands Plumbing L.L.C.

Helping Hands Plumbing L.L.C.

Frederick, MD

5(15 reviews)

"Great job and excellent customer service."

Plumbing
Hours
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Ace One Electrical

Ace One Electrical

110 Thomas Johnson Dr #134, Frederick, MD 21702

5(1 reviews)
Electrical
Hours
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Sutton and Son's Plumbing

Sutton and Son's Plumbing

Frederick, MD

5(18 reviews)

"The quality of work was exceptional and i paid far less then i anticipated."

Plumbing
Hours
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Cherokee Plumbing Inc.

Cherokee Plumbing Inc.

Frederick, MD

5(3 reviews)

"Greg is also a good guy."

PlumbingGeneral Contracting
Hours
Reed and Son Services LLC

Reed and Son Services LLC

401 Center St suite 207, Mt Airy, MD 21771

5(1473 reviews)

"Reed & Son showed up quickly to resolve my clogged drain."

Plumbing
Hours
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Peak Plumbing and Heating, LLC

Peak Plumbing and Heating, LLC

Frederick, MD

5(3 reviews)
Plumbing
Hours
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Pat's Plumbing Heating & Cooling

Pat's Plumbing Heating & Cooling

3334 Roderick Rd, Frederick, MD 21704

5(3 reviews)

"Always prompt, reasonably priced and shows excellent attention to detail."

PlumbingGeneral Contracting
Hours
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Stout Mechanical

Stout Mechanical

Frederick, MD

5(66 reviews)

"Very conscientious, high quality work, very knowledgeable."

PlumbingBathroom RemodelHVAC
Hours
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White Diamond Electric

White Diamond Electric

Frederick, MD

5(4 reviews)

"The work was excellent."

Electrical
Hours
MotherAir HVAC

MotherAir HVAC

Frederick, MD

5(4 reviews)

"Dustin came out and fixed it the day I called free of charge."

HVAC
Hours
Sandigo Mechanical

Sandigo Mechanical

8507 Rosebud Ct, Middletown, MD 21769

5(5 reviews)

"The work was done efficiently and professionally."

HVAC
Hours
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Warner Mechanical

Warner Mechanical

217-A Monroe Ave, Frederick, MD 21701

5(2 reviews)

"I would highly recommend doing business with Warner contracting."

HVACGeneral Contracting
Hours
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Watkins Exteriors llc

Watkins Exteriors llc

3967 Wistman Ln, Myersville, MD 21773

5(57 reviews)

"Got the job finished in a timely manner with excellent results."

SidingGuttersRoofing
Hours
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J M Fletcher Heating & AC

J M Fletcher Heating & AC

11595 Liberty Oak Dr, Frederick, MD 21701

5(1 reviews)

"This guy does not mess around with people or their finances."

HVAC
Hours
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Exxel Mechanical Services

Exxel Mechanical Services

7943 Dollyhyde Rd, Mt Airy, MD 21771

5(147 reviews)

"Came out immediately fixed our A/C and charged a fair price."

HVAC
Hours
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Honest Air Heating & Air Conditioning

Honest Air Heating & Air Conditioning

13001 Penn Shop Rd, Mt Airy, MD 21771

5(810 reviews)

"They quickly diagnosed my HVAC issue and replaced it in a timely manner."

HVAC
Hours
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Top Rated Contractors 2026

Frederick, MD

Every contractor shown for Frederick, Maryland 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 Frederick.

Frequently Asked Questions

Common questions about finding contractors in Frederick

Prices in Frederick 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 Maryland. 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 Frederick 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 Maryland 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 Frederick. 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 Frederick, 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 Maryland 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 Frederick 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 Frederick 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 Frederick.

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 Maryland licensing board or consumer-protection office. You can also contact us so we can review the listing associated with that business.