Oakville, ON

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

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Oakville, ON

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Top Contractors in Oakville, ON

Showing 1-20 of 200 contractors

Alg Heating & Air Conditioning

Alg Heating & Air Conditioning

Oakville, ON

5(4 reviews)

"Alex replaced our furnace and changed the water heater to a tankless one."

HVAC
Hours
Avanti Air Systems.

Avanti Air Systems.

1450 Wallace Rd Unit 3, Oakville, ON L6L 2Y2

5(6 reviews)

"Excellent service at a reasonable rate ."

HVAC
Hours
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Danlex Gas

Danlex Gas

3445 Dundas St W, Oakville, ON L6M 4J4

5(89 reviews)

"Professional, timely, response time is quick and very reasonably priced."

HVAC
Hours
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Guest Plumbing & HVAC Oakville - Commercial & Residential Services

Guest Plumbing & HVAC Oakville - Commercial & Residential Services

2115 S Service Rd W, Oakville, ON L6L 5W2

5(1 reviews)

"Unreal customer service and such a reliable team of workers."

HVACPlumbing
Hours
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Gas Line Installers

Gas Line Installers

106, 482 South Service Rd E Suite 103, Oakville, ON L6J 2X6

5(9 reviews)

"The price was exactly as quoted and provided quality installation."

HVAC
Hours
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Alg Heating & Air Conditioning

Alg Heating & Air Conditioning

2426 Ravinebrook Crescent, Oakville, ON L6H 6Y2

5(8 reviews)

"The technician was highly professional and delivered top-quality work."

HVAC
Hours
Air Force Duct Cleaning Services - Oakville

Air Force Duct Cleaning Services - Oakville

2084 Speers Rd #2, Oakville, ON L6L 2X8

5(88 reviews)

"They came on time and completed the work in a timely manner."

HVAC
Hours
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Mh heating and cooling solutions

Mh heating and cooling solutions

1156 Speers Rd unit 8, Oakville, ON L6L 2X4

5(4 reviews)

"He always delivers in a timely manner as promised, and is very punctual."

HVAC
Hours
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Current Electric Services

Current Electric Services

2379 Royal Windsor Dr, Oakville, ON L6J 7X6

5(3 reviews)

"The install went so smoothly and straight forward."

Electrical
Hours
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Atlas Electric Corp.

Atlas Electric Corp.

1046 Speers Rd, Oakville, ON L6L 2X4

5(5 reviews)

"Their electrical suplly very reasonable price."

Electrical
Hours
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CAVX Painting

CAVX Painting

407 Iroquois Shore Rd Suite #V47, Oakville, ON L6H 1M3

5(20 reviews)

"They are professional, accurate work, I had the best experience."

SidingPaintingDrywallGeneral Contracting
Hours
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Wm Petrie & Sons Contracting Inc

Wm Petrie & Sons Contracting Inc

740 Weller Ct, Oakville, ON L6K 3S9

5(2 reviews)
SidingConcreteGeneral Contracting
Hours
F & G Electric & Plumbing

F & G Electric & Plumbing

564 Kerr St, Oakville, ON L6K 3C7

5(12 reviews)
PlumbingElectrical
Hours
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North American Solar Academy

North American Solar Academy

2353 Woodcrest Dr, Oakville, ON L6M 4S2

5(3 reviews)

"Thank you Scott for assisting me in enhancing my knowledge in this field!"

Solar
Hours
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Oakville Pro Wash

Oakville Pro Wash

Oakville, ON

5(43 reviews)

"He was very detailed, efficient and honest with his work and costs."

SidingGuttersFencing
Hours
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About Comfort Air Inc.

About Comfort Air Inc.

226 Alison Crescent, Oakville, ON L6L 0C7

5(55 reviews)

"Excellent fast service, priced right, timeline kept as discussed."

HVAC
Hours
HTR Windows

HTR Windows

1075 North Service Rd W Suite#100, Oakville, ON L6M 2G2

5(3 reviews)

"Installation crew were friendly and efficient, complete cleanup at the end."

Windows
Hours
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Macro Renovations

Macro Renovations

2275 Upper Middle Rd E #101, Oakville, ON L6H 0C3

5(1 reviews)
Windows
Hours
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Painters Oakville

Painters Oakville

2501 Third Line #160, Oakville, ON L6M 4H8

5(4 reviews)
SidingPaintingDrywall
Hours
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Oakland Painting

Oakland Painting

240 Leighland Ave, Oakville, ON L6H 1C5

5(11 reviews)

"the attention to detail and work quality was excellent."

SidingPainting
Hours
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Top Rated Contractors 2026

Oakville, ON

Every contractor shown for Oakville, 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 Oakville.

Frequently Asked Questions

Common questions about finding contractors in Oakville

Prices in Oakville 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 Oakville 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 Oakville. 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 Oakville, 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 Oakville 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 Oakville 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 Oakville.

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.