St. Catharines, ON

Find the Best Contractors in St. Catharines

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

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St. Catharines, ON

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Top Contractors in St. Catharines, ON

Showing 1-20 of 200 contractors

Alpine HVAC Service

Alpine HVAC Service

4241 Victoria Ave, Vineland Station, ON L0R 2E0

5(6 reviews)

"Jake and his team solved my hvac issues in a professional and timely manner."

HVAC
Hours
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Copperkat plumbing

Copperkat plumbing

St. Catharines, ON

5(5 reviews)

"What else can you ask for?"

Plumbing
Hours
Akrym Heating & Cooling

Akrym Heating & Cooling

4085 Jordan Rd, Jordan Station, ON L0R 1S0

5(28 reviews)

"The technician Tyler was professional, efficient, and very honest."

HVAC
Hours
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Gayder Mechanical

Gayder Mechanical

St. Catharines, ON

5(13 reviews)

"They repaired and installed my AC unit quickly and efficiently."

HVAC
Hours
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Royal Flush Kitchen & Baths

Royal Flush Kitchen & Baths

102 Pleasant Ave, St. Catharines, ON L2R 1Y1

5(1 reviews)
Plumbing
Hours
K Plugers Siding

K Plugers Siding

4090 Nineteenth St, Jordan Station, ON L0R 1S0

5(2 reviews)
Siding
Hours
St Catharines Custom Construction

St Catharines Custom Construction

St. Catharines, ON

5(4 reviews)

"Trust and experience is why you should consider them for your next job."

SidingDrywallGeneral Contracting
Hours
Ruby Residential Services

Ruby Residential Services

St. Catharines, ON

5(6 reviews)

"He does an excellent job and they are not easy to do."

Gutters
Hours
Enviro Niagara

Enviro Niagara

St. Catharines, ON

5(1 reviews)
HVAC
Hours
E.R Gas Co.

E.R Gas Co.

St. Catharines, ON

5(3 reviews)

"Great communication, fair pricing, and quality work."

HVAC
Hours
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Escarpment Contracting

Escarpment Contracting

3 McCordick Dr, St. Catharines, ON L2N 6S2

5(1 reviews)
GuttersLandscaping
Hours
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Guest Plumbing & HVAC

Guest Plumbing & HVAC

76 Lake St, St. Catharines, ON L2R 5X4

5(1 reviews)

"Technician was professional and quick."

HVACPlumbing
Hours
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Craftwood General Contracting

Craftwood General Contracting

536 Bunting Rd, St. Catharines, ON L2M 3A6

5(22 reviews)

"He and his team were very professional and did a fantastic job in no time."

SidingElectricalKitchen RemodelBathroom Remodel+8 more
Hours
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D&R renovations

D&R renovations

30 Prince Edward Dr, St. Catharines, ON L2N 3H2

5(8 reviews)

"Flawless job and so happy with the work!"

WindowsSidingGuttersKitchen Remodel+3 more
Hours
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Terry's Tree Stump Removal

Terry's Tree Stump Removal

St. Catharines, ON

5(11 reviews)

"Excellent job ,done quickly, no mess very reasonable price."

Tree Services
Hours
Morgan Contracting

Morgan Contracting

St. Catharines, ON

5(6 reviews)

"Fast, dependable, great workmanship."

SidingBathroom RemodelPaintingFlooring+4 more
Hours
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TS Metal Roofing

TS Metal Roofing

6 St Paul St W, St. Catharines, ON L2R 3N8

5(1 reviews)

"The metal roof looks great and feels way more solid than what we had before."

RoofingSiding
Hours
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Sleeth Siding and Windows

Sleeth Siding and Windows

St. Catharines, ON

5(2 reviews)
SidingWindows
Hours
United Refrigeration Inc

United Refrigeration Inc

483A Eastchester Ave E, St. Catharines, ON L2M 6S2

5(14 reviews)

"excellent inventory, always have parts I need in stock or by next day."

HVACElectrical
Hours
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JLS.Solutions

JLS.Solutions

1004 Lakeshore Rd W, St. Catharines, ON L2R 6P9

5(18 reviews)

"He was very professional, showed up on time and did an excellent job."

SidingElectricalGeneral ContractingHome Builder
Hours
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Top Rated Contractors 2026

St. Catharines, ON

Every contractor shown for St. Catharines, 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 St. Catharines.

Frequently Asked Questions

Common questions about finding contractors in St. Catharines

Prices in St. Catharines 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 St. Catharines 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 St. Catharines. 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 St. Catharines, 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 St. Catharines 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 St. Catharines 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 St. Catharines.

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.