📍 Niagara Region
Serving all of St. Catharines with quality window installation, vinyl siding, eavestrough cleaning, door replacement & soffit systems. Price match on every job.
St. Catharines is Niagara Region largest municipality, home to Victorian-era brick homes to newer builds in Port Dalhousie. The city position between Lake Ontario and Lake Erie creates year-round wind exposure and significant lake-effect snow.
We serve all St. Catharines neighbourhoods including Port Dalhousie, Haig, Grantham, Merritton, and Facer. Our crews understand Niagara Region building permit requirements.
Call or text us now. We respond within 1 hour and schedule same-day visits across St. Catharines.
📞 Call 647-833-4262 Request Online Quote✓ Free estimate | ✓ Beat any quote | ✓ No obligation
Get a written quote from any licensed contractor in St. Catharines. We will beat it. Every time. No negotiation required — just show us the quote. We have never failed to beat a legitimate written quote.
Claim Your Price Match TodayFrom a single window replacement to a complete exterior renovation — same crew, same standard, same price match guarantee.
Over 500 exterior projects completed across Niagara Region and Southern Ontario since founding.
Maintained a 5-star average across all verified Google reviews from St. Catharines homeowners.
We respond to all St. Catharines estimate requests within 1 hour. Same-day visits available.
All windows, siding, and eavestrough products carry manufacturer warranties up to 30 years.
We visit your St. Catharines home, assess all openings, and provide a full written quote — free, same-day, zero obligation.
Show us any competitor written quote for the same scope. We beat it immediately. Your price is locked.
Our certified crew arrives on schedule, completes the installation, and leaves your home fully sealed and clean.
All work is backed by manufacturer warranties plus our workmanship guarantee. We are always reachable after completion.
Yes — all estimates in St. Catharines and Niagara Region are 100% free with no obligation. We assess your home, take all measurements, and provide a full written quote before any commitment is required.
Absolutely. Our price match guarantee is unconditional: show us any written quote from a licensed contractor for the same scope of work and we will beat it. We have beaten 100% of written quotes ever presented to us.
Most St. Catharines homes with 8-12 windows are completed in a single day. All openings are fully sealed before we leave, regardless of weather. Siding projects typically run 3-5 days depending on home size.
Yes. Apex Windows & Exteriors holds all required Ontario contractor licences, carries full liability insurance, and maintains WSIB coverage on all crew members. Documentation is available on request.
Yes. We service rural and concession-road properties within Niagara Region at no travel surcharge within our standard service radius. Call to confirm coverage for your specific address.
We also serve these communities near St. Catharines. Click to see your local service page.
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We rank for the exact searches St. Catharines homeowners use to find exterior contractors near them.
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Fast response. Lowest price guaranteed. Serving St. Catharines and all of Niagara Region.