20×20 Concrete Patio Cost Calculator
A 20x20 concrete patio (400 sq ft) is one of the most popular sizes for backyard entertaining.
Quick answer
Planning range
- Typical Cost Range
- $2,400 – $8,000 for a 400 sq ft patio
- Key Factors
- Finish type · Thickness · Site prep · Region
- Best Next Step
- Use the calculator below to get your personalized estimate. Concrete Cost Calculator
Cost Range by Scope
| Scope | What it usually includes | Planning estimate |
|---|---|---|
| Budget | Basic materials, simple access, limited upgrades | Near $2,400 |
| Mid-range | Common material grade, normal labor, typical prep | $2,400 – $8,000 for a 400 sq ft patio |
| High-end | Premium material, complex access, added repairs or upgrades | $8,000+ |
Interactive Cost Calculator
Use this calculator for 20×20 concrete patio cost calculator, then adjust the values for your exact material, region, and scope.
Project estimator
Enter your project details to calculate a planning range.
What Changes the Final Price
Finish type
Ask contractors to price this factor separately so you can compare quotes fairly.
Thickness
Ask contractors to price this factor separately so you can compare quotes fairly.
Site prep
Ask contractors to price this factor separately so you can compare quotes fairly.
Region
Ask contractors to price this factor separately so you can compare quotes fairly.
How to Use This Estimate
- 1Start with the default 20×20 concrete patio scenario and confirm the project size.
- 2Adjust material grade, scope, labor assumptions, and access conditions in the calculator.
- 3Save the low, average, and high planning range before requesting quotes.
- 4Send the same scope to at least 3 local contractors so every quote is comparable.
DIY vs. Professional
DIY may make sense when
DIY can work for very small pads or prep tasks if you understand forms, base prep, and cure timing.
Hire a pro when
Hire a pro for driveways, large slabs, stamped finishes, drainage issues, reinforcement, and permit-sensitive work.
Scenario FAQ
How much does 20×20 concrete patio cost?
A practical planning range is $2,400 – $8,000 for a 400 sq ft patio. Your final quote depends most on Finish type, Thickness, Site prep.
What is the biggest cost driver for 20×20 concrete patio?
The biggest cost drivers are usually Finish type, Thickness, Site prep, Region. Ask each contractor to show these assumptions separately.
Should I use the calculator before getting quotes?
Yes. Use the calculator first so you can compare contractor quotes against a consistent scope instead of reacting to one number in isolation.
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Concrete Slab Cost for a 20×20 Patio: Complete 2026 Pricing Guide
How much does a 20x20 concrete patio cost in 2026? Breakdown by finish type, thickness, reinforcement, site prep, and regional pricing with DIY vs. pro comparison.
Concrete & BuildingStamped Concrete vs. Regular Concrete: Complete Cost Comparison 2026
Stamped concrete vs. regular concrete: compare costs per square foot, design options, durability, maintenance, and ROI for driveways, patios, and pool decks in 2026.
Need a custom estimate?
Open the full calculator to adjust every input and compare this scenario against your exact project.
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Last updated: July 2026