How Much Does a Concrete Patio Cost in the Bay Area?
A concrete patio in the Bay Area costs $10 to $28 per square foot installed, which puts a standard 20-by-20-foot patio between roughly $4,000 and $11,000 depending on the finish. Where you land in that range comes down mostly to one choice, plain, colored, or stamped, and one thing you can't see: the base underneath.
That base is where Bay Area patios are won or lost. Skip the prep and you pay twice, once for the cheap pour and again a few years later when East Bay clay soil shifts under the slab and cracks spread across the surface. Build it right, on a properly compacted base with the correct thickness and joints, and the patio lasts decades. As a licensed outdoor concrete contractor working in this soil every day, Elite Development Builders prices patios that last. Discover how much a patio costs by finish and size, and the factors that move the number up or down.
How Much Does a Concrete Patio Cost Per Square Foot?
The finish you choose drives most of the price. Here are typical installed rates across the East Bay:
| Finish | Cost Per Square Foot |
|---|---|
| Plain broom finish | $10 - $16 |
| Colored / integral stain | $13 - $20 |
| Stamped / decorative | $16 - $28 |
In communities like Walnut Creek, where outdoor living space adds real resale value, many homeowners choose a colored or stamped finish for the upgrade in curb appeal.
Concrete Patio Cost by Size
The total cost follows square footage. These estimates assume a plain-to-mid finish on a properly prepared base:
| Patio Size | Square Feet | Typical Cost |
|---|---|---|
| 10 x 10 | 100 | $1,200 - $2,200 |
| 12 x 12 | 144 | $1,700 - $3,000 |
| 16 x 16 | 256 | $3,000 - $5,300 |
| 20 x 20 | 400 | $4,000 - $8,000 |
A larger patio costs more overall but often less per square foot, since setup and mobilization are spread across more area.
What Affects Your Concrete Patio Cost in the Bay Area?
Two patios of the same size can be priced very differently. The main factors are:
- Base preparation: excavation and compaction matter most in expansive East Bay clay soil.
- Slab thickness and reinforcement: thicker slabs with rebar or wire mesh cost more but resist cracking.
- Finish complexity: color, stamping, borders, and sealing each add to the total.
- Site access and demolition: removing an old patio or working around tight yards raises labor.
In the East Bay, base prep is the line item you never want to cut, because the clay underneath is the single biggest threat to a concrete patio's lifespan.
Concrete Patio vs Pavers: Which Costs Less?
Poured concrete is almost always cheaper to install than pavers, which run higher per square foot because each unit is set by hand. Concrete wins on upfront cost and seamless looks; pavers win on repairability, since individual units can be lifted and reset. We compare both options in detail in our pavers vs concrete cost guide.
For most patio budgets in the East Bay, a finished concrete slab delivers the most usable square footage for the money.
Design Ideas That Change the Price
The jump from a plain gray slab to a showpiece patio comes down to finish. Stamped patterns that mimic stone or wood, integral color, exposed aggregate, and decorative borders all raise the price but transform the space. If you are still shaping your vision, our roundup of concrete patio ideas shows what these finishes look like in real East Bay yards.
Deciding on the finish early keeps your estimate accurate and avoids change-order surprises mid-project.
Frequently Asked Questions
How much does a 20x20 concrete patio cost?
A 20-by-20-foot concrete patio (400 square feet) typically costs about $4,000 to $8,000 for a plain or lightly finished slab in the Bay Area, and $6,400 to $11,200 or more for a stamped or decorative finish, depending on base prep and site conditions.
Is a concrete patio cheaper than pavers?
Yes. Poured concrete almost always costs less to install than pavers because pavers are set unit by unit. Concrete is the more budget-friendly choice up front, while pavers cost more but are easier to repair piece by piece.
What is the cheapest type of concrete patio?
A plain broom-finish slab is the most affordable concrete patio, usually $10 to $16 per square foot installed. It skips color and stamping but, with proper base prep, lasts just as long as the more decorative finishes.
Budgeting for Your Bay Area Concrete Patio
A realistic patio budget starts with two decisions: the size of the space and the finish you want on top. From there, proper base prep for East Bay clay soil protects that investment for the long haul.
Elite Development Builders designs and pours custom concrete patios across Pittsburg and the wider East Bay, built on a compacted base that resists the cracking that cheap slabs are prone to. For an accurate, no-obligation patio estimate, contact Elite Development Builders or call (925) 504-7086.










