How Much Does a Garage Floor Coating Cost in Metro Detroit? (2026 Prices)

The short answer: Across the industry, a professionally installed garage floor coating typically runs $8 to $15 per square foot — so the market average for a 2-car garage is roughly $3,500–$8,000, and a 3-car garage $5,000–$11,000+. These are industry averages, not our prices. We don't publish our pricing online because every floor is different — and our free quotes often come in below these market figures.

Below is what those numbers typically include — and where the "cheap" quotes cut corners.

Average cost by garage size (professional installation)

• 1-car garage (~250 sq ft) — industry average $2,000 – $4,500
• 2-car garage (~400–500 sq ft) — industry average $3,500 – $8,000
• 3-car garage (~600–750 sq ft) — industry average $5,000 – $11,000+

Again, these are average market ranges across the industry for a full professional system (grinding, crack repair, base coat, flake or color, and a protective topcoat) — not A&A's pricing. Because we quote every floor individually, our number often lands under the average. The only way to know yours is a free on-site quote.

The 5 things that actually move the price

1. Concrete prep. Proper prep is diamond grinding, not just a mop and a primer. It's the single biggest factor in how long your floor lasts — and a line item the cheapest quotes skip.
2. Coating type. A basic epoxy costs less up front than a polyaspartic system, but polyaspartic cures same-day and holds up far better to Michigan salt and UV (more on that below).
3. Floor condition. Cracks, pitting, old peeling coatings, and oil stains all need repair before coating. A floor in rough shape costs more to prep.
4. Size and layout. Bigger floors cost more in total but often less per square foot.
5. Finish. Full-broadcast flake, metallic, and custom color blends cost more than a single solid color — but they hide dirt and last longer.

Why the cheapest quote is usually the most expensive

A big-box DIY kit runs $100–$500, and a lowball "one-day" quote can look tempting. But DIY and under-prepped floors commonly peel within 1–3 years, especially where hot tires sit and where snow, water, and road salt collect all winter. Redoing a failed floor means paying to grind off the old coating and recoat — so the "budget" option often costs more than doing it right once.

A properly prepped professional floor is built to last 15–20 years. Spread over that lifespan, it's one of the cheapest upgrades per year you can make to your home.

Ready for an exact number?

Every garage is different, so we don't guess. A&A Epoxy has been coating floors across Metro Detroit — Macomb, Troy, Rochester, and surrounding areas — for over 20 years. We're licensed, insured, and family-owned, and we'll give you a free, no-obligation quote with the exact price for your space.

📞 Call today, or request your free estimate online.

FAQ

How much does it cost to epoxy a 2-car garage in Michigan? Industry averages put a professionally coated 2-car garage around $3,500–$8,000, depending on concrete condition and coating type. That's the market average — not our price. We quote each floor individually and often come in below it, so ask for a free estimate.

Is epoxy or polyaspartic more expensive? Polyaspartic usually costs a bit more up front than standard epoxy, but it cures same-day and resists salt, UV fading, and hot-tire pickup better — which often makes it cheaper over the life of the floor.

Why are some garage floor quotes so much cheaper? Almost always because they skip diamond grinding, crack repair, or use a thin big-box product. Those floors tend to peel within a few years, and redoing them costs more than doing it right the first time.

Does a coated garage floor add value to my home? Yes — a clean, durable coated floor is a visible upgrade buyers notice, and it protects the concrete underneath from salt and moisture damage.

Do you offer free estimates? Yes. We provide free, no-obligation on-site quotes throughout Metro Detroit so you get an exact price for your garage.