PreloaderCustom Contracting - Professional Roofing and Exterior Services
Roofing • Siding • Windows & Doors • Eavestroughs
St. Catharines Roofing Services
Serving St. Catharines & Surrounding Areas

Your Trusted Partner for Roofing, Windows, Siding & Exterior Services

Lifetime Written Workmanship Warranty

Roofing, Windows, Siding, Doors, Eavestroughs & HVAC

Flexible Financing Options (OAC)

Limited-Time: FREE Gutter Cleaning with Eavestrough Guard Installation!

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Your Trusted St. Catharines Services Experts in St. Catharines

Serving St. Catharines for 8 years, our team has completed 1,200 st. catharines services projects across the Southern Ontario. We understand St. Catharines's unique climate challenges, building codes, and architectural styles.

1,200+Projects Completed
8Years in St. Catharines
4.9★Average Rating
3,700+

Completed Projects

5,000+

Happy Clients

750K+

Sq Ft Roofing

25+

Years Experience

Why Choose Us for Your St. Catharines Project

St. Catharines homeowners trust Custom Contracting for all their exterior renovation needs. From roofing and siding to windows, doors, and eavestroughs, we deliver exceptional quality and service throughout St. Catharines and surrounding areas.

Our Services in St. Catharines

We provide comprehensive exterior contracting services to homeowners throughout St. Catharines and surrounding areas.

Recent Projects in St. Catharines

See our quality workmanship in action. These are real projects we've completed for St. Catharines homeowners.

Roof Replacement

Roof Replacement

Complete architectural shingle installation in St. Catharines

Vinyl Siding

Vinyl Siding

Modern vinyl siding transformation in St. Catharines

Window Replacement

Window Replacement

Energy-efficient windows installed in St. Catharines

Metal Roofing

Metal Roofing

Standing seam metal roof in St. Catharines

Fiber Cement Siding

Fiber Cement Siding

Premium James Hardie siding in St. Catharines

Patio Doors

Patio Doors

Beautiful patio door installation in St. Catharines

What St. Catharines Homeowners Say

Don't just take our word for it. See what your neighbors are saying about our work.

Outstanding service from start to finish! The crew was professional, punctual, and left our property spotless. Our new roof looks amazing!

Sarah M.

St. Catharines

Best decision we made for our home. The quality of workmanship is exceptional and the price was very competitive. Highly recommend!

John D.

St. Catharines

After getting multiple quotes, Custom Contracting stood out for their professionalism and expertise. The lifetime warranty sealed the deal!

Lisa T.

St. Catharines

Why Choose Custom Contracting in St. Catharines?

We're committed to providing St. Catharines homeowners with the best service, quality, and value.

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Fast Response Times

Local St. Catharines team ready to serve you quickly

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Quality Workmanship

Over 25 years of experience delivering excellence

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Lifetime Warranty

Lifetime workmanship warranty on all projects

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Flexible Financing

No payments for 1 year + 0% interest for 10 years (OAC)

Neighborhoods We Serve in St. Catharines

We proudly serve all neighborhoods and communities throughout St. Catharines.

Port Dalhousie
Merritton
Grantham
St. Patrick's Ward
Fitzgerald
Martindale

Call Us Today

289-210-3966

Business Hours

Monday - Saturday: 8am - 6pm

Emergency Service Available

Main Office

45 Worthington Dr Unit H

Brantford, ON N3T 5M1

Ready to Start Your St. Catharines Project?

Contact us today for a free, no-obligation estimate on your roofing, siding, or exterior project.

Our St. Catharines Experience

Our team has been serving St. Catharines homeowners with hands-on expertise for years. We've completed thousands of projects across every neighborhood, understanding the unique challenges of St. Catharines's climate, building codes, and property types.

8+
Years Serving St. Catharines
1,200+
Local Projects Completed
98%
Customer Satisfaction Rate

Professional Certifications & Expertise

Industry Certifications

  • WSIB Registered & Compliant
  • Ontario Master Contractor License
  • TSSA Certified (Technical Standards & Safety Authority)
  • CertainTeed ShingleMaster™ Certified
  • GAF Master Elite® Contractor
  • ENERGY STAR® Partner

Manufacturer Partnerships

  • Carrier Factory Authorized Dealer
  • Lennox Premier Partner
  • IKO Roofing Preferred Contractor
  • Owens Corning Platinum Preferred
  • James Hardie Elite Preferred Contractor
  • Pella Certified Installation Expert

All our contractors are: Licensed, insured, background-checked, and continuously trained on the latest industry standards and techniques. We invest in ongoing education to ensure we deliver cutting-edge solutions.

Industry Recognition & Awards

4.9★
Google Rating
427+ Reviews
Best of 2024
HomeStars
Top Rated Contractor
2023-2025
ThreeBest Rated
3 Years Running
A+ Rating
BBB Accredited
Accredited Business

Industry Memberships & Affiliations

Ontario Home Builders Association (OHBA) Member
Better Business Bureau Accredited
Heating, Refrigeration and Air Conditioning Institute (HRAI)
Canadian Home Builders' Association
Residential Construction Council of Ontario
National Roofing Contractors Association

Our Guarantees & Commitments

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Lifetime Workmanship Warranty

All our installation work is backed by our lifetime workmanship warranty

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Transparent Pricing

No hidden fees. Detailed quotes with all costs itemized upfront

Satisfaction Guarantee

We don't consider the job done until you're 100% satisfied

Licensed & Fully Insured

Insurance Coverage

  • $5 Million General Liability Insurance
  • WSIB Coverage for All Workers
  • Bonded Contractor Protection

Payment Security

  • Flexible Payment Options (Cash, Credit, Financing)
  • 0% Financing Available (OAC)
  • No Payment Required Until Job Complete
60% OFF
Installation
Limited Time Offer!
⏰ Ends October 31, 2025
✅ All Roofing, Siding, Windows & More

Get Your FREE Estimate!

Don't miss this 60% OFF offer! Contact us today.

📞 Call Us

(226) 799-4975

Open 24 Hours

📍 Visit Us

45 Worthington Dr Unit H
Brantford, ON N3T 5M1

📋 Request Your Free Quote

⚡ Limited spots available - Offer ends October 31!