How Garage Size Affects Cost
| Garage Size | Approx. Square Footage | What Changes |
|---|---|---|
| 1-Car Garage | ~200-250 sq ft | Smallest area to prep and coat — typically the lowest total cost |
| 2-Car Garage | ~400 sq ft | The most common project size |
| 3-Car Garage | ~600-700 sq ft | Highest total cost, though often a lower cost per square foot than a smaller garage |
This reflects square footage alone. Slab condition and coating system typically affect the final price as much as size — a small garage with cracks and an old coating to remove can cost more to prepare than a larger garage in clean condition. Residential interior rooms and commercial floors follow the same underlying cost drivers, scaled to the space.
What Actually Moves the Price
Square Footage
Larger areas cost more in total but often come down in price per square foot, since setup, equipment, and travel costs are spread across more area.
Current Slab Condition
A clean slab in good condition needs less prep than one with cracks, contamination, or an old coating to remove. Prep is where much of the labor time in any project actually goes, and a heavily damaged or contaminated slab can meaningfully extend that time — see our surface preparation page for what that involves.
Coating System
Standard epoxy is generally the more budget-friendly option. Polyaspartic typically costs more due to the specialty material and faster, more skill-dependent application — see our epoxy vs. polyaspartic guide for the tradeoffs.
Decorative Finish
A solid color is the simplest finish. Flake blends add texture and cost over solid color; metallic finishes typically cost the most due to the specialty pigments and installer skill involved — see our metallic epoxy page.
Project Access & Complexity
Furniture or equipment removal, staged commercial installations, and tight access can all add labor time beyond the base coating work.
Why the Cheapest Quote Isn't Always the Best Value
A low quote that skips proper grinding, crack repair, or moisture testing can look attractive upfront but often fails within a year or two — at which point the floor typically needs to be reprepared and recoated, effectively paying for the job twice. Ask any contractor specifically what surface preparation is included before comparing quotes on price alone.
Getting an Accurate Estimate
Because slab condition drives so much of the final price, a firm number usually requires an on-site look at the concrete rather than a phone-only quote. We're glad to talk through your project by phone, but recommend a free on-site evaluation before treating any number as final.