📍 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 289-237-7803 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.
We also serve these communities near St. Catharines. Click to see your local service page.
Free estimate pages for your area
When you search Google for "near me" in St. Catharines, Apex appears for every major exterior trade — windows, siding, eavestroughs, gutter guards, doors, and repairs. Same crews, free estimates, price match on any written quote.
Homeowners searching "window replacement near me" in St. Catharines choose Apex for free estimates, licensed crews, and our beat-any-quote guarantee.
Learn More →Homeowners searching "vinyl siding near me" in St. Catharines choose Apex for free estimates, licensed crews, and our beat-any-quote guarantee.
Learn More →Homeowners searching "eavestrough cleaning near me" in St. Catharines choose Apex for free estimates, licensed crews, and our beat-any-quote guarantee.
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Learn More →Homeowners searching "siding repair near me" in St. Catharines choose Apex for free estimates, licensed crews, and our beat-any-quote guarantee.
Learn More →Homeowners searching "soffit & fascia near me" in St. Catharines choose Apex for free estimates, licensed crews, and our beat-any-quote guarantee.
Learn More →Homeowners searching "gutter cleaning near me" in St. Catharines choose Apex for free estimates, licensed crews, and our beat-any-quote guarantee.
Learn More →Apex Windows & Exteriors — Brantford-based, serving St. Catharines daily. One call covers windows, siding, gutters, doors, and repairs. 289-237-7803.
Apex installs energy-efficient windows across St. Catharines. Most homes complete in one day. Free measurement and written quote.
Apex installs and repairs vinyl siding in St. Catharines with insulated profiles and colour matching. Typical $8–$14/sq ft installed.
Professional cleaning with downspout flush — usually $150–$350 per visit in St. Catharines. Same-week scheduling when available.
Micro-mesh gutter guard installation after a full clean-out. Stops clogs and overflow damage on St. Catharines homes.
We serve St. Catharines plus Grimsby, Niagara Falls, Stoney Creek, Welland — often same-day estimates within the service radius.
Request exterior contractor St. Catharines Ontario services — windows, siding, eavestroughs, doors & gutter guards. Pre-filled for St. Catharines leads.
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Fast response. Lowest price guaranteed. Serving St. Catharines and all of Niagara Region.