A concrete patio adds serious function and value to any home, but knowing what it will cost upfront helps you plan the project wisely. One of the most common sizes we install is a 20×20 concrete patio. Cost is usually the first question homeowners ask us, and it’s essential to understand how everything from the finish to the prep work can affect the final price.
At Richfield Concrete, we don’t just pour patios; we help homeowners get lasting results that withstand Minnesota’s harsh climate. Whether starting fresh or replacing an older surface, we’ll walk you through what to expect from a budget and quality perspective.
What Affects the Total Cost of a 20×20 Concrete Patio?
The cost of a specific concrete patio size also depends on the job complexity. For instance, a 20×20 concrete patio, covering 400 square feet, typically ranges between $8 and $14 per square foot, putting the total cost for most homeowners between $3,200 and $5,600.
- Site accessibility and excavation needs
- Subgrade condition and base prep
- The thickness of the concrete slab
- Type of reinforcement (fiber or wire mesh)
- Finish type (broom, stamped, exposed aggregate)
- Sealing and curing methods
We meticulously assess all relevant factors during your estimate. This ensures complete transparency, provides an accurate quote, and prevents any surprise costs later in the project.
Site Preparation and Subgrade Work
Proper base prep is critical for patio performance and longevity. The concrete will eventually crack or shift if the ground isn’t stable or properly graded. We evaluate the soil, check for drainage issues, and build a compacted gravel base to support the slab.
Those tasks can increase the overall cost if your site needs grading, debris removal, or fill material. However, we always prioritize a solid foundation, as skimping on these tasks can lead to higher repair costs.
Finish Options That Impact the Final Cost
The type of concrete patio finish you choose will significantly affect its appearance and price.
- Broom finish: This is the most cost-effective and functional option. It creates a slightly textured surface that provides good traction, even when wet.
- Stamped concrete: This decorative option mimics brick, slate, or stone and adds visual appeal to outdoor spaces. It costs more due to the materials and labor required.
- Exposed aggregate: Another popular finish that reveals decorative stone for a textured, upscale look. It adds moderate cost but delivers long-lasting curb appeal.
- Smooth or troweled finish: This finish is sleek and modern but can be slippery. It is often used in covered or protected patio spaces.
Choosing a decorative finish could raise your total cost by $2 to $4 more per square foot, but it’s a smart upgrade if you want aesthetics and long-term value.
Curing and Sealing: A Small Cost with Big Benefits
Once your patio is poured, it must cure properly before reaching full strength. In our climate, we use professional curing compounds that slow down evaporation and protect the surface from cracking or scaling. We also apply a penetrating sealer, particularly when the patio is susceptible to freeze-thaw cycles, water, or chemicals like salt.
Adding curing and sealing increases cost slightly but drastically improves durability. We always recommend this step for concrete patios in Minneapolis to prevent early surface damage.
How Long Will a 20×20 Concrete Patio Last?
When installed and maintained correctly, a concrete patio can last 30 years or more, far outperforming wood decks or lower-end pavers. This longevity makes the upfront cost a worthwhile investment.
Maintenance for concrete patios is remarkably minimal. Occasional resealing, often done with high-quality sealing compounds for concrete and simple cleaning, is usually enough to keep your patio in excellent shape, ensuring its strength, durability, and low maintenance over time.
Start Your 20×20 Concrete Patio Project with Richfield
Knowing the average 20×20 concrete patio cost is a solid starting point if you plan to install a patio this season. However, working with a trusted contractor ensures you get results built to last. At Richfield Concrete, we combine technical know-how with trusted materials to pour patios that perform. We’ll help you select the right finish, assess your site conditions, and give you a transparent quote that reflects your goals and budget. Contact Richfield Concrete today to schedule your patio consultation and get started on a concrete surface that enhances your outdoor living space.
