What garage floor coatings typically cost
- $1,500–$6,000: U.S. range for a 500 sq ft two-car garage epoxy job, per Angi (updated Oct 30, 2026).
- $3–$12 / sq ft: common published band for residential epoxy / flake systems nationally (installer menus vary; Montana quotes often land mid-range once grinding and crack repair are included).
- Add for moisture mitigation, deep crack repair, or polyaspartic topcoats — those line items move Billings quotes more than color choice.
Published planning ranges from the sources named, not quotes from us. Your price comes from a written estimate on your floor.

Primary published band from Angi (updated Oct 30, 2026), checked Nov 6, 2026. Local Montana menus vary; treat every number here as planning only.
What Changes a Billings Quote
- Square footage of the slab (measure wall to wall, not just parking spots).
- Existing coating or paint that must be ground off.
- Crack and spall repair from freeze-thaw — often the biggest surprise line item.
- Moisture vapor mitigation if testing shows vapor drive through the slab.
- Flake full-broadcast vs. light scatter and polyaspartic vs. standard clear topcoat.
- Cove base a few inches up the stem wall.
Compare Quotes Fairly
| Ask | Why |
|---|---|
| Diamond grind or etch? | Grinding is the usual professional prep; etching is closer to DIY. |
| Product names for each coat? | “Epoxy system” is vague. |
| How are freeze-thaw cracks handled? | Filled, routed, or ignored? |
| Walk-on and drive-on cure times? | Winter schedules slip when nights are cold. |
| What the warranty covers (peeling, hot tires, chemicals)? | Read exclusions. |
Sample Math (Labeled ESTIMATE)
| Slab | Assumed band | Result |
|---|---|---|
| 400 sq ft two-car | $5–$9 / sq ft all-in flake | ESTIMATE $2,000–$3,600 |
| 600 sq ft three-car | $5–$9 / sq ft | ESTIMATE $3,000–$5,400 |
| Heavy freeze-thaw repair allowance | Often $300–$1,200+ as a line item | Ask for it broken out |
Arithmetic on common national per-foot bands, not a Billings price list. Always prefer a written local estimate.
Send the form below.
Request a Garage Floor Quote
Tell us about the slab. A Billings-area coating company will call or text to schedule a look and written estimate.
Please note: Billings Epoxy Flooring connects homeowners with independent local floor coating contractors. We are not a contractor and do not do the work.