Is Greatstar Marble Corp well reviewed?

Greatstar Marble Corp holds a 5.0-star Google rating across 76 reviews. Based on Countertop Installers' analysis of Google review data, that is a strong score for a marble countertop installer in the Greater Toronto Area. In the newest reviews, look for seam quality, edge finish and whether the template measurements came out right.

Where does Greatstar Marble Corp operate?

Greatstar Marble Corp works out of Richmond Hill in the York Region area and serves surrounding Greater Toronto Area neighbourhoods. Its listed address is 25 Kinnear Ct Uint 1, Richmond Hill, ON L4B 1H9.

How do I contact Greatstar Marble Corp?

Greatstar Marble Corp has not claimed its Countertop Installers listing, so no phone number is published here. Use the request form on this profile instead or its website: what you send through the form reaches Countertop Installers, and only after you tick the consent box is it passed to one company to quote. Before you commit, get a measured, itemized quote from more than one marble countertop installer serving Richmond Hill.

What does Greatstar Marble Corp charge for marble countertop installation?

Greatstar Marble Corp sets its own prices, but as a market benchmark carrara marble countertop, installed (entry level, GTA) runs $90 to $110 per sq ft (CAD) across the GTA, according to Better Marble (North York showroom, June 2025 Toronto price guide). Add 13% HST, and request an itemized quote for numbers specific to your project.

Greatstar Marble Corp

Marble Countertops in Richmond Hill

Google rating: 5.0
reviews: 76
newest review: 6mo

Last updated: September 23, 2026By The Slab Desk

Figures as Google published them in the August 2026 snapshot.

Contact Greatstar Marble Corp

Request a quote

Greatstar Marble Corp has not claimed this listing. The form reaches Countertop Installers.

Visit website

Address: 25 Kinnear Ct Uint 1, Richmond Hill, ON L4B 1H9
Opening days: 6 days a week

View on Google Maps

Serves Richmond Hill (York Region)
Listed under Marble Countertops
Contact listed: website

Greatstar Marble Corp, marble countertops in Richmond Hill — Pictures published by Greatstar Marble Corp on its own Google Business Profile. Some are the company’s promotional graphics rather than photographs of work, and Countertop Installers checks no claim shown in them.

Greatstar Marble Corp, marble countertops in Richmond Hill, image 2 — Pictures published by Greatstar Marble Corp on its own Google Business Profile. Some are the company’s promotional graphics rather than photographs of work, and Countertop Installers checks no claim shown in them.

The Countertop Installers Score for Greatstar Marble Corp

72out of 100How this is worked out

What its customers said42 / 45: Google rating, adjusted for how many people left one (4.97)+24.5
How many reviews there are to read (76)+9.1
Themes reviewers raised more than once (6)+8
What it states on its own website0 / 25: Nothing stated that we could quote0
Its website and its record here30 / 30: Its website answered when we fetched it+12
Phone number on the record+4
Three or more photos of its work+4
Posted business hours+4
Placed in a countertop service category+3
Street address on the record+3

Greatstar Marble Corp scores 42 of 45 on what its customers said, 0 of 25 on what it states about itself, and 30 of 30 on its website and record. Nothing here has been checked with a registry, an insurer or the WSIB. The middle pillar counts sentences this business wrote on its own website, which is why each one is worded as something it says rather than something anyone confirmed. The review pillar uses public Google review data republished here, and the ratings are set by reviewers, not by Countertop Installers.

What we read about Greatstar Marble Corp

We fetched this business’s own website once and read the reviews already stored on its record. It states nothing on its own site that we could quote and 6 themes running through 76 Google reviews. Everything below carries the sentence it came from. Nothing below was confirmed with anybody.

Themes running through its Google reviews

Waterfall and island work
A reviewer wrote: “They installed a waterfall feature which we love and is perfectly installed and level”
Backsplashes
A reviewer wrote: “We not only did the countertops and backsplash in the kitchen”
Repeat and referred customers
A reviewer wrote: “have brought our kitchen dreams to life not once, but three times”
Fair price
A reviewer wrote: “His price couldn't be beat”
Cleans up after
A reviewer wrote: “leaves your kitchen super clean”
Helped pick the stone
A reviewer wrote: “guided us to the exact quartz we were looking for”

Its website answered when we fetched it. Addresses were last scanned on August 26, 2026. This page was read on August 29, 2026.

About Greatstar Marble Corp

Countertop Installers lists Greatstar Marble Corp as a marble countertop installer serving Richmond Hill, rated 5.0★ across 76 Google reviews.

Service options: Onsite services
Accessibility: Wheelchair-accessible entranceWheelchair-accessible parking lot
Payments: Credit cardsDebit cards

Services

Marble Countertops

What customers say

Highlights via Google reviews. Ratings are set by reviewers, not Countertop Installers.

6 months ago
“William, Rachel, and their amazing team have brought our kitchen dreams to life not once, but three times! My entire family has also hired them multiple times to complete their stone/marble/quartz kitchens. If you're looking for countertops for your kitchen,…”
Melissa · via Google reviews
5 months ago
“William and team did an excellent job installing my quartzite counters. It was a complex job, but they delivered and the finished product looks amazing! Very happy with his work and would highly recommend! Thank you!”
Brendon · via Google reviews
2 months ago
“We had such a great experience with William at Greatstar! His price couldn't be beat. We were very picky in what we were looking for for our kitchen countertop and he worked hard to find and suggest options. He worked…”
Samantha · via Google reviews
a year ago
“Our experience with Greatstar Marble for our kitchen granite countertops and cottage quartz was fantastic. William and Rachel provide outstanding communication and customer service. From their excellent pricing, quick turnaround and installation excellence, we are thrilled with the results. William…”
Sandra · via Google reviews
a year ago
“We had an amazing experience with William at great star marble. He was extremely helpful when we arrived at the showroom and guided us to the exact quartz we were looking for. Came out immediately and measured the counter -…”
Janet · via Google reviews

Hours

Greatstar Marble Corp's hours as Google publishes them, unchecked.
Monday	9 a.m.–6 p.m.
Tuesday	9 a.m.–6 p.m.
Wednesday	9 a.m.–6 p.m.
Thursday	9 a.m.–6 p.m.
Friday	9 a.m.–6 p.m.
Saturday	9 a.m.–6 p.m.
Sunday	Closed

Before you call, the marble countertop installation cost guide lists the questions worth asking a marble countertop installer before you sign, alongside sourced Greater Toronto Area prices.

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Greatstar Marble Corp: frequently asked questions

Is Greatstar Marble Corp well reviewed?: Greatstar Marble Corp holds a 5.0-star Google rating across 76 reviews. Based on Countertop Installers' analysis of Google review data, that is a strong score for a marble countertop installer in the Greater Toronto Area. In the newest reviews, look for seam quality, edge finish and whether the template measurements came out right.
Where does Greatstar Marble Corp operate?: Greatstar Marble Corp works out of Richmond Hill in the York Region area and serves surrounding Greater Toronto Area neighbourhoods. Its listed address is 25 Kinnear Ct Uint 1, Richmond Hill, ON L4B 1H9.
How do I contact Greatstar Marble Corp?: Greatstar Marble Corp has not claimed its Countertop Installers listing, so no phone number is published here. Use the request form on this profile instead or its website: what you send through the form reaches Countertop Installers, and only after you tick the consent box is it passed to one company to quote. Before you commit, get a measured, itemized quote from more than one marble countertop installer serving Richmond Hill.
What does Greatstar Marble Corp charge for marble countertop installation?: Greatstar Marble Corp sets its own prices, but as a market benchmark carrara marble countertop, installed (entry level, GTA) runs $90 to $110 per sq ft (CAD) across the GTA, according to Better Marble (North York showroom, June 2025 Toronto price guide). Add 13% HST, and request an itemized quote for numbers specific to your project.

Request a quote