Is Sinco Marble and Granite well reviewed?

Sinco Marble and Granite holds a 4.8-star Google rating across 57 reviews. Based on Countertop Installers' analysis of Google review data, that is a strong score for a granite 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 Sinco Marble and Granite operate?

Sinco Marble and Granite works out of Markham in the York Region area and serves surrounding Greater Toronto Area neighbourhoods. Its listed address is 2600 John St. Unit 217, Markham, ON L3R 3W3.

How do I contact Sinco Marble and Granite?

Sinco Marble and Granite 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 granite countertop installer serving Markham.

What does Sinco Marble and Granite charge for granite countertop installation?

Sinco Marble and Granite sets its own prices, but as a market benchmark entry-level / builder-grade granite (Level 1), installed runs $55 to $80 per sq ft (CAD) across the GTA, according to TecCorp Stone (Toronto, Level 1-3 guide, Jan 2026). Add 13% HST, and request an itemized quote for numbers specific to your project.

Sinco Marble and Granite

Granite Countertops in Markham

Google rating: 4.8
reviews: 57
newest review: 6mo

Last updated: September 23, 2026By The Slab Desk

Figures as Google published them in the August 2026 snapshot.

Contact Sinco Marble and Granite

Request a quote

Sinco Marble and Granite has not claimed this listing. The form reaches Countertop Installers.

Visit website

Address: 2600 John St. Unit 217, Markham, ON L3R 3W3
Opening days: 6 days a week

View on Google Maps

Serves Markham (York Region)
Listed under Granite Countertops
Contact listed: website

Sinco Marble and Granite, granite countertops in Markham — Pictures published by Sinco Marble and Granite 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.

Sinco Marble and Granite, granite countertops in Markham, image 2 — Pictures published by Sinco Marble and Granite 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 Sinco Marble and Granite

69out of 100How this is worked out

What its customers said39 / 45: Google rating, adjusted for how many people left one (4.79)+22
How many reviews there are to read (57)+8.5
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

Sinco Marble and Granite scores 39 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 Sinco Marble and Granite

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 57 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: “structural support of the waterfall island”
Cleans up after
A reviewer wrote: “floor covers were put down to keep our floor clean”
Repeat and referred customers
A reviewer wrote: “They had done our countertops 5 years ago”
Quick turnaround
A reviewer wrote: “they had it cut and polished within 15 hours”
Patient with questions
A reviewer wrote: “Sarmen not only answered all our questions but also gave us the confidence”
Helped pick the stone
A reviewer wrote: “They also provided great recommendations on countertop styles that fit my needs”

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

About Sinco Marble and Granite

Countertop Installers lists Sinco Marble and Granite as a granite countertop installer serving Markham, rated 4.8★ across 57 Google reviews.

Service options: Onsite services
Accessibility: Wheelchair-accessible parking lot

Services

Granite Countertops
Marble Countertops
Countertop Installation

What customers say

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

6 months ago
“We couldn’t be happier with our new kitchen countertops - they look absolutely stunning. The team was clean, professional, and a pleasure to work with from start to finish. They offered a large selection of beautiful granite options, making it…”
Arbe · via Google reviews
9 months ago
“We had Sinco install our quartz backsplash & they did an amazing job! They had done our countertops 5 years ago & we just had to have them back to do the backsplash because they do such a good job.…”
Wayne · via Google reviews
2 months ago
“Sarmen and his team did an amazing job on our kitchen counters. Sarmen worked very hard to get us a material that was out of stock locally. He kept us updated. They did a great job of fabricating out counters.…”
Donna · via Google reviews
9 months ago
“I’ve been working with Sinco Granite since june, 2011 on number of projects. They are very punctual, thorough, organized and professional. Great family operated business. I highly recommend them to anyone! Great honest professional family operated business. Thank you Sevak…”
Sasan · via Google reviews
9 months ago
“I messaged them the night before asking if they can make me a shower bench out of Bianco marble. I was in a rush because I needed it to finish the shower. I expected them to say 5-7 days like…”
Benjamin · via Google reviews

Hours

Sinco Marble and Granite's hours as Google publishes them, unchecked.
Monday	8:30 a.m.–6 p.m.
Tuesday	8:30 a.m.–6 p.m.
Wednesday	8:30 a.m.–6 p.m.
Thursday	8:30 a.m.–6 p.m.
Friday	8:30 a.m.–6 p.m.
Saturday	9:30 a.m.–4 p.m.
Sunday	Closed

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

Similar granite countertop installers nearby

Sinco Marble and Granite: frequently asked questions

Is Sinco Marble and Granite well reviewed?: Sinco Marble and Granite holds a 4.8-star Google rating across 57 reviews. Based on Countertop Installers' analysis of Google review data, that is a strong score for a granite 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 Sinco Marble and Granite operate?: Sinco Marble and Granite works out of Markham in the York Region area and serves surrounding Greater Toronto Area neighbourhoods. Its listed address is 2600 John St. Unit 217, Markham, ON L3R 3W3.
How do I contact Sinco Marble and Granite?: Sinco Marble and Granite 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 granite countertop installer serving Markham.
What does Sinco Marble and Granite charge for granite countertop installation?: Sinco Marble and Granite sets its own prices, but as a market benchmark entry-level / builder-grade granite (Level 1), installed runs $55 to $80 per sq ft (CAD) across the GTA, according to TecCorp Stone (Toronto, Level 1-3 guide, Jan 2026). Add 13% HST, and request an itemized quote for numbers specific to your project.

Request a quote