Markham, ON

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

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Top Contractors in Markham, ON

Showing 1-20 of 200 contractors

BN BATH Products Inc.

BN BATH Products Inc.

85 Citizen Ct #15, Markham, ON L6G 1A8

5(9 reviews)

"I recommend anyone looking for glass to contact BN!"

WindowsBathroom RemodelGeneral Contracting
Hours
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"They used high quality materials and did a great job."

SidingGeneral ContractingRoofing
Hours
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Window Replacement Markham

Window Replacement Markham

9570 McCowan Rd, Markham, ON L3P 8M1

5(6 reviews)

"The installation was done with care and efficiency."

Windows
Hours
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ENTRY DOORS TORONTO INC.

ENTRY DOORS TORONTO INC.

20-7321 Victoria Park Ave, Markham, ON L3R 2Z8

5(24 reviews)

"They are punctual, efficient, professional, and very thorough."

Windows
Hours
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Superior HVAC Service, Heating & Air Conditioning

Superior HVAC Service, Heating & Air Conditioning

55 Commerce Valley Dr W Suite 505, Markham, ON L3T 7V9

5(39 reviews)

"Ryan from Superior HVAC fixed our gas value in our furance!"

HVACElectrical
Hours
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AIMG construction

AIMG construction

386 Browndale Crescent, Richmond Hill, ON L4C 3J4

5(71 reviews)

"It was excellent work, fair price and overall straight up honest!"

SidingGuttersGeneral ContractingKitchen Remodel+1 more
Hours
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Prosper Roofing Inc.

Prosper Roofing Inc.

225 Bamburgh Cir, Scarborough, ON M1W 3X9

5(4 reviews)

"They arrived when the said they would and finished the job by 5:00pm."

RoofingGutters
Hours
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Markham Windows & Doors

Markham Windows & Doors

145 Royal Crest Ct, Markham, ON L3R 9Z4

5(5 reviews)

"It matches the exterior beautifully."

WindowsGeneral Contracting
Hours
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Bucalu Windows & Doors

Bucalu Windows & Doors

3780 14th Ave Unit 105, Markham, ON L3R 4B7

5(21 reviews)

"The installation team was punctual and professional."

Windows
Hours
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Statements Windows and Doors

Statements Windows and Doors

3115 14th Ave Suite #3, Markham, ON L3R 0H1

5(18 reviews)

"The installers were professional, friendly and very tidy."

WindowsGarage Doors
Hours
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Maple Roofing

Maple Roofing

142 Blackmore Ave, Richmond Hill, ON L4B 3Y8

5(1 reviews)

"Our project was completed on time, thanks to Maple Roofing's diligence."

Roofing
Hours
Bros. Roofing

Bros. Roofing

186 Old Kennedy Rd, Markham, ON L3R 0L5

5(88 reviews)

"The workmanship is top-notch, and my new roof looks amazing."

RoofingSidingGuttersHandyman+1 more
Hours
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PINNACLE ROOFING AND CONTRACTING INC.

PINNACLE ROOFING AND CONTRACTING INC.

1 Uptown Dr #1710, Markham, ON L3R 5C1

5(1 reviews)
RoofingGutters
Hours
Yok Mei Construction Corp. - General Contractors Markham

Yok Mei Construction Corp. - General Contractors Markham

91 Cottsmore Crescent, Markham, ON L3R 3X8

5(43 reviews)

"The price was excellent and the workmanship and creativity were outstanding."

WindowsSidingKitchen RemodelBathroom Remodel+10 more
Hours
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SMC Group Commercial Roofing Services

SMC Group Commercial Roofing Services

9225 Leslie St suite 201, Richmond Hill, ON L4B 3H6

5(9 reviews)
RoofingGuttersGeneral Contracting
Hours
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EasyRoofPro

EasyRoofPro

9506 Markham Rd, Markham, ON L6E 0S5

5(5 reviews)

"This company communicated effectively and finished the job in one day."

RoofingGeneral Contracting
Hours
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Well Trust Roofing & Landscaping

Well Trust Roofing & Landscaping

62 Jaffray Rd, Markham, ON L3S 1H1

5(2 reviews)

"Highly recommended."

RoofingSidingLandscaping
Hours
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Spiros Aluminum & Roofing Inc.

Spiros Aluminum & Roofing Inc.

29 Gardiner Crescent, Richmond Hill, ON L4B 2G7

5(55 reviews)

"They replaced my roof and I couldn’t be happier with the results."

RoofingSidingGutters
Hours
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Superstars Roofing

Superstars Roofing

24 Pepperell Crescent, Markham, ON L3R 3G8

5(2 reviews)
RoofingGutters
Hours
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DWM Windows and Doors Repairs

DWM Windows and Doors Repairs

300 Steelcase Rd W, Markham, ON L3R 2W2

5(1 reviews)
Windows
Hours
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Top Rated Contractors 2026

Markham, ON

Every contractor shown for Markham, Ontario 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 Markham.

Frequently Asked Questions

Common questions about finding contractors in Markham

Prices in Markham 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 Ontario. 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 Markham 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 Ontario 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 Markham. 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 Markham, 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 Ontario 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 Markham 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 Markham 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 Markham.

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