How much does a 2-car garage epoxy floor cost in St Louis, MO?

In St Louis, MO, a standard 2-car garage (450 sq ft) epoxy and polyaspartic floor installation averages $2,540 ($4.66 to $8.08 per square foot including mechanical diamond grinding).

Epoxy Floor Installation Cost in St Louis, MO (2026 Pricing)

In St Louis, MO, professional diamond-ground epoxy and polyaspartic floor installation averages $4.66 to $8.08 per square foot—or $2,540 for a 2-car garage (450 sq ft).

St Louis 2-Car Avg $2,540

St Louis 3-Car Avg $3,700

Regional Labor Index 0.98x US Baseline

Covers Garages, Basements, Patios, Shops & Commercial · 1,604 Mil/Gal Formula

Step 1: Select Surface Area & Dimensions

440 sq ft · 52 lin ft perimeter

How do you want to enter floor size?

Step 2: Choose Coating System & Finish

Compare system chemistry →

Broadcast Density & Custom Finish:

Available Vinyl Flake Blends:

Step 3: Concrete Condition, Prep & Add-Ons

Surface prep = 40%–50% of contractor labor

Moisture Vapor Barrier Primer (MVB) High-humidity / basement slab (+$1.75/sf)

4"–6" Stem Walls / Garage Curbs 52 lin ft @ $4.50/lf (+$234)

Sanitary 4"–6" Coved Wall Base Seamless commercial basin @ $9.50/lf

Concrete Stairs / Entry Steps (2 Steps) Hand-ground & coated risers (+$170)

Expansion Joint Fill & Striping Semi-rigid polyurea saw-cut joint fill (+$165)

Anti-Slip Traction Aggregate Aluminum oxide / SharkGrip in topcoat (+$0.35/sf)

Step 4: Location & Regional Labor Multiplier

CA/NY/WA labor runs 30%–45% above Midwest/Southeast

Enter 5-Digit ZIP Code (Auto-Matches Region)

Or Select Metro Cost Index (150 Cities)

Turnkey Pro Estimate · St Louis, MO

$3,180 $7.23 / sq ft all-in

Local Ballpark Range: $2,690 – $3,670 · Lifespan: 15–20+ Yrs

Garage Spec Verified: Includes ICRI CSP-2/3 diamond grinding and UV-stable aliphatic polyaspartic topcoat to prevent hot-tire pickup and doorway yellowing.

Too expensive? See DIY Material Cost ($645) & Kit List View Kits →

CSI Scope / Line Item	Qty / Spec	Est. Cost
01. Mechanical Slab Prep Planetary diamond grind (CSP-2/3)	440 sq ft	$770
02. Coating System & Labor Decorative Vinyl Flake (Full Broadcast)	440 sq ft	$1,870
03. Moisture Vapor Barrier Standard dry slab (<3 lbs MVER)	Optional	$0
04. Verticals, Joints & Grip 52 lf stem walls + joints + grip	3 items	$540
Total Turnkey Pro Midpoint	440 sq ft	$3,180

Porosity & Bucket Waste Buffer:


                1,604 Rule: (440 sf × 12 mils) ÷ 1,604 × 1.10 = 3.62 gal → Round up to whole kits

DIY Material / Tool Item	Exact Coverage & Kits	Est. Cost
1. Primer Coat (6 mils) 100% solids penetrating primer (~267 sf/gal)	2.2 gal → 1× 2-Gal Kit	$135
2. Base / Build Coat (12 mils) 100% solids pigmented base (12 mils · 133 sf/gal)	3.7 gal → 2× 3-Gal Kits	$390
3. Broadcast Media Full broadcast @ 0.12 lbs/sf (25 lb boxes)	53 lbs → 3× 25-lb Boxes	$204
4. UV Clear Topcoat (9 mils) Aliphatic polyaspartic/urethane (~151 sf/gal)	3.2 gal → 2× 2-Gal Kits	$352
5. Grinder Rental & Rollers Walk-behind diamond grinder + 18" rollers & spikes	1-Day Rental + Kit	$195
Total DIY Material & Grinder Cost	$2.47 / sq ft	$1,085

Want to skip renting a 220 lb concrete grinder? Switch back to Turnkey Pro Install →

Lock in an exact price: See which 2 vetted installers in St Louis, MO have open slots this month and get a free on-site slab & moisture check.

Browse Top 15 Verified Installers & Published Rates →

Audit a Written Contractor Proposal Against 2026 Field Rates

National franchises carry 35–45% sales commissions and showroom overhead, frequently quoting $6,500 to $12,000+ ($9.50–$14.00/sq ft) for the exact same diamond-ground flake floor an independent local crew installs for $2,500 to $3,800. Enter your written bid below:

Total Written Bid Amount ($ USD)

Quoted Floor Area (Sq Ft)

Coating System Specified on Bid

Contract Specification Verification (Check What Is Explicitly Written)

Planetary Diamond Grind (CSP-2/3) Uncheck if bid only states "pressure wash / acid etch"

Moisture Vapor (>3 lbs MVER) Covered Check if warranty covers hydrostatic peeling

Includes Grinding Off Old Coating PCD removal of existing paint/epoxy (+$1.85/sf)

Includes Vertical Stem Walls / Cove Base Perimeter curbs & polyurea crack fill included

Bid Audit Verdict · Effective Unit Rate

$9.55 / sq ft Fair Band: $5.00–$8.50/sf

Above Independent Pro Market Rate (+34% Franchise Markup)

2026 Epoxy & Polyaspartic Cost Matrix in St Louis, MO

Local labor multiplier for St Louis, MO: 0.98x national baseline. Hot humid summers and freezing icy winters require moisture-tolerant epoxy primers and salt-resistant polyaspartic topcoats.

St Louis Project Size	100% Solids Epoxy + Flake ($4.66–$6.62/sq ft)	2-Day Epoxy + Polyaspartic Top ($5.39–$8.08/sq ft)	3D Metallic / Commercial Quartz ($9.31–$15.19/sq ft)
1-Car Garage (240 sq ft)	$1,270 – $1,810	$1,470 – $2,210	$2,550 – $4,160
2-Car Standard Garage (440 sq ft)	$2,050 – $2,910	$2,370 – $3,560	$4,100 – $6,680
Basement Rec Room / Living (600 sq ft)	$2,800 – $3,970	$3,230 – $4,850	$5,590 – $9,110
3-Car Garage (720 sq ft)	$3,360 – $4,770	$3,880 – $5,820	$6,700 – $10,940
Detached Shop / Commercial (1,200 sq ft)	$5,030 – $7,150	$5,820 – $8,730	$10,050 – $16,410

Top 15 Epoxy Flooring Contractors in St Louis, MO

Verified Google Maps ratings, review counts, and extracted system specifications:

RANK #1 · ST LOUIS, MO

St. Louis Epoxy Systems

5.0 / 5.0 Rating (46 Google reviews)

11040 Lin Valle Dr Ste Q, St. Louis, MO 63123

Polyaspartic / PolyureaFull Flake Broadcast3D Metallic EpoxyMoisture Vapor Barrier1-Day Turnaround Option

Metro Index: $4.66–$8.08/sq ft

Call +1314-312-0553 Website (www.stlouisepoxypourers.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #2 · ST LOUIS, MO

Epoxy Pro St. Louis

5.0 / 5.0 Rating (1 Google reviews)

2732 S Brentwood Blvd, St. Louis, MO 63144

Full Flake BroadcastMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1314-798-9485 Website (www.epoxyprostlouis.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #3 · ST LOUIS, MO

GatorGuard Concrete Coatings of St. Louis

4.7 / 5.0 Rating (96 Google reviews)

9625 Dielman Rock Island, Industrial Dr, Olivette, MO 63132

Polyaspartic / PolyureaFull Flake BroadcastMechanical Diamond Grind1-Day Turnaround OptionLifetime Warranty

Metro Index: $4.66–$8.08/sq ft

Call +1314-860-6850 Website (www.mygatorguard.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #4 · ST LOUIS, MO

Garage Designs of St. Louis

4.9 / 5.0 Rating (84 Google reviews)

772 Merus Ct, Fenton, MO 63026

Full Flake BroadcastMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1314-308-7780 Website (garage-designs.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #5 · ST LOUIS, MO

Ascent Epoxy St. Louis

4.9 / 5.0 Rating (33 Google reviews)

St Louis, MO Service Area

Full Flake BroadcastMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1314-334-1902 Website (www.epoxyfloorstlouis.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #6 · ST LOUIS, MO

Dynamic Protective Floor Coatings

5.0 / 5.0 Rating (5 Google reviews)

2344 Weldon Pkwy, St. Louis, MO 63146

Full Flake BroadcastMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1314-254-5084 Website (dynamicprotectivecoatings.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #7 · ST LOUIS, MO

Customcrete, Inc.

4.8 / 5.0 Rating (129 Google reviews)

8351 Crest Industrial Dr Unit 9, St. Louis, MO 63123

Full Flake Broadcast3D Metallic EpoxyMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1636-278-2218 Website (www.customcretestl.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #8 · ST LOUIS, MO

Hello Garage of West St. Louis County

4.9 / 5.0 Rating (140 Google reviews)

743 Spirit 40 Park Dr #105, Chesterfield, MO 63005

Full Flake BroadcastMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1314-916-9445 Website (www.hellogarage.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #9 · ST LOUIS, MO

Epoxy Stone Inc

4.6 / 5.0 Rating (18 Google reviews)

9475 Dielman Rock Island Industrl Dr, Olivette, MO 63132

Full Flake BroadcastMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1314-426-2311 Website (www.epoxystoneinc.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #10 · ST LOUIS, MO

TruGrit Concrete Coatings

4.9 / 5.0 Rating (68 Google reviews)

419 Old State Rd #107, Ballwin, MO 63011

Full Flake BroadcastMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1636-791-6060 Website (trugritconcretecoatings.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #11 · ST LOUIS, MO

Desco Coatings, Inc.

4.7 / 5.0 Rating (7 Google reviews)

9595 Dielman Rock Island Industrl Dr, Olivette, MO 63132

Full Flake BroadcastMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1314-918-9888 Website (www.descocoatings.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #12 · ST LOUIS, MO

Flooring Rehab Company

4.7 / 5.0 Rating (59 Google reviews)

2300 Marconi Ave, St. Louis, MO 63110

Full Flake BroadcastMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1314-219-0230 Website (flooringrehab.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #13 · ST LOUIS, MO

St. Louis Resurfacing

5.0 / 5.0 Rating (53 Google reviews)

1754 Scherer Pkwy, St Charles, MO 63303

Full Flake BroadcastMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1314-576-9220 Website (stlresurfacing.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #14 · ST LOUIS, MO

GarageExperts of Chesterfield

4.8 / 5.0 Rating (26 Google reviews)

16219 Westwoods Business Park, Ellisville, MO 63021

Full Flake BroadcastMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1636-265-6375 Website (www.garageexperts.com) ↗ Contractor? Update rate / Reserve #1 Spot

RANK #15 · ST LOUIS, MO

Garage Force of St. Louis West

5.0 / 5.0 Rating (30 Google reviews)

St Louis, MO Service Area

Full Flake BroadcastMechanical Diamond Grind

Metro Index: $4.66–$8.08/sq ft

Call +1636-630-8181 Website (stlouiswest.garageforce.com) ↗ Contractor? Update rate / Reserve #1 Spot

Additional MO Metro Cost Indexes

Kansas City, MO$2,510 Springfield, MO$2,300

Epoxy Floor Installation Cost in St Louis, MO (2026 Pricing)

Step 1: Select Surface Area & Dimensions

Step 2: Choose Coating System & Finish

Step 3: Concrete Condition, Prep & Add-Ons

Step 4: Location & Regional Labor Multiplier

Audit a Written Contractor Proposal Against 2026 Field Rates

US Resinous Flooring Systems & Mechanical Prep Gallery

Stage 1: Planetary Diamond Grind (CSP-2/3)

Full Broadcast Vinyl Flake System

3D Pigmented Metallic Flood Coat

100% Solids Commercial / Shop Epoxy

2026 Epoxy & Polyaspartic Cost Matrix in St Louis, MO

Top 15 Epoxy Flooring Contractors in St Louis, MO

St. Louis Epoxy Systems

Epoxy Pro St. Louis

GatorGuard Concrete Coatings of St. Louis

Garage Designs of St. Louis

Ascent Epoxy St. Louis

Dynamic Protective Floor Coatings

Customcrete, Inc.

Hello Garage of West St. Louis County

Epoxy Stone Inc

TruGrit Concrete Coatings

Desco Coatings, Inc.

Flooring Rehab Company

St. Louis Resurfacing

GarageExperts of Chesterfield

Garage Force of St. Louis West

Additional MO Metro Cost Indexes

Epoxy Floor Installation Cost in St Louis, MO (2026 Pricing)

Step 1: Select Surface Area & Dimensions

Step 2: Choose Coating System & Finish

Step 3: Concrete Condition, Prep & Add-Ons

Step 4: Location & Regional Labor Multiplier

Audit a Written Contractor Proposal Against 2026 Field Rates

US Resinous Flooring Systems & Mechanical Prep Gallery

Stage 1: Planetary Diamond Grind (CSP-2/3)

Full Broadcast Vinyl Flake System

3D Pigmented Metallic Flood Coat

100% Solids Commercial / Shop Epoxy

2026 Epoxy & Polyaspartic Cost Matrix in St Louis, MO

Reserve the #1 Featured Installer Position in St Louis, MO — $99/mo

Top 15 Epoxy Flooring Contractors in St Louis, MO

St. Louis Epoxy Systems

Epoxy Pro St. Louis

GatorGuard Concrete Coatings of St. Louis

Garage Designs of St. Louis

Ascent Epoxy St. Louis

Dynamic Protective Floor Coatings

Customcrete, Inc.

Hello Garage of West St. Louis County

Epoxy Stone Inc

TruGrit Concrete Coatings

Desco Coatings, Inc.

Flooring Rehab Company

St. Louis Resurfacing

GarageExperts of Chesterfield

Garage Force of St. Louis West

Additional MO Metro Cost Indexes

Claim Featured Metro Placement or Update Published Rates