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Tile, Grout & Natural Stone Cleaning Costs for Commercial Spaces

Posted by Hammond Knoll on Apr 11, 2019 10:00:00 AM

"How much will it cost to clean my commercial flooring?

“Will it come clean?"

We hear these questions frequently.

You’re trying to work with a budget and you want to make sure you get the most bang for your maintenance buck.

You want your business’ floors to last as long as possible and maintaining them will save on replacement costs down the road.

There are a lot of factors that go into determining the expense of cleaning commercial flooring.

Highlighting some of those variables will help you understand the costs.

But, before jumping into the cost, it’s important to look at the cleaning process.

Knowing how it’s done will help you better understand the price.

After that’s all cleared up, we can get into the nitty-gritty of dollars and cents.

What is the cost to clean natural stone?

The cost to clean natural stone in a commercial space will range from $0.50 to $1.55 per square foot.

The Cost to Clean Natural Stone

An overview of the natural stone cleaning process

There are many different methods for cleaning, depending on the tile type and how it was installed, but here’s a step-by-step guide of the most common procedure.

  1. A multi-step cleaning process using a high-pH grease and soil-cutting enzyme to break down heavy grime.
  2. Heat is applied to start the soil breakdown process.
  3. Mechanical agitation may be used on areas needing heavy restoration.
  4. High-temperature rotary jet extraction equipment is used. Think of it like high-temperature pressure washing that’s completely contained. There’s no over-spray and all the rinse water is picked up and disposed of in a sanitary drain.
  5. A restorative, mild acid-rinse is used to remove iron-staining and mineral deposits (as needed).
  6. A final high-pressure rinse to remove all residue and prepare it for sealing or coating.

Choices in sealing or coating natural stone

At this point in the process, there are more choices to be made and questions you’ll be asked:

  • Is the tile inside or outside?
  • Would you like a natural look or would you like a deeper (enhanced) color?
  • Are you looking to have a higher gloss or shine?

Once we know the answers to these questions, we can get the right result – at a price that fits into your budget.

Here’s the cost range for sealing or coating tile surfaces:

  • Floor areas with ceramic tile will cost $0.35 to $0.75 per square foot.
  • Floor areas with natural stone will cost $0.55 to $1.05 per square foot.

Before Knoll                                                 After Knoll


When natural stone or tile needs repaired or restored

Do you have chipped tiles or areas of cracked or missing grout?

It ruins the aesthetic of your commercial flooring, doesn’t it?

Is your caulking mildewed?

Issues like these require more time and effort during the cleaning process.

In our nearly 80 years of being in business, we’ve seen it all.

In fact, 90% of the time, the jobs we do require some sort of magical repair.

We’re polishing experts. We can take care of scratched or etched natural stone such as marble, granite, limestone, slate and more.

Costs to repair natural stone and tile

Here are some examples of tile and stone repair costs:

  • Replacing 1-foot square tiles that have cracked: $35 to $50 per tile.
  • Replacing grout by the foot: $2 to $5 per foot.
  • Re-dying grout that has discolored: $2 to $5 per square foot.
  • Repairing chipped tile without replacing, using epoxy fill: $25 to $45.

Tile and natural stone cleaning cost considerations

Here are some additional things we take into consideration when pricing tile or stone cleaning services:

  • Is it natural stone, ceramic, porcelain or stamped concrete?
  • Has it been damaged by incorrect maintenance in the past?
  • Does it have a coating or has it been sealed?
  • Is it natural grout or synthetic?
  • Is the surface smooth or does it have a textured surface that holds soiling?

Though the costs will vary, keep in mind that all types of tile, natural stone, grout and hard surfaces including ceramic tile, granite, marble, limestone, soapstone, sandstone, slate, cement and more can be cleaned.

The numbers: What it costs to clean natural stone and tile

Despite all the variables, our years and years of experience – combined with the thousands of jobs we have completed – give us the ability to “ballpark” some basic costs.

For example, the cost of cleaning commercial tile floors will range from $0.50 to $1.55 per square foot.

Real-life examples

Check out some of the cases we’ve handled.

A new car dealership

This dealership had 8,000 square feet of ceramic tile floors that were 7 years old.

Most of the areas were lightly soiled, but some areas in the showroom and service shop had oil and coffee staining.

This job was done over two consecutive nights, so as not to interfere with their operations at all.

The cost per square foot for this job was $0.76 or $6,000 for the entire cleaning.

A Mexican restaurant


The restaurant had 2,800 square feet of handmade terracotta tile.

It was 15 years old and had a heavy layer of grease and oil over the entire floor.

The owners were doing a light remodel of the building and thought they would have to replace the flooring.

We restored the flooring with a multi-step cleaning process for $1.50 per square foot.

The total cost for cleaning was $4,200 – a $35,000 savings over what a replacement would have cost.

The HammondKnoll difference

Understanding costs for commercial floor cleaning and grout, tile and stone repair can help you see what an expert vendor will do for you and how much you can save by preserving your flooring or restoring vs. replacing it.

Our years of experience in this industry have helped us to hone and shape our craft to a level of excellence you won’t find anywhere else.

What’s your biggest challenge when it comes to cleaning your commercial flooring?


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