Start with a Site Plan and Ground Check

Before you order materials or rent equipment, walk the space where your patio will sit and measure it. Mark the corners with stakes and string so you can see the actual footprint. Check whether the ground slopes — a patio needs to drain water away from your house, so a slope of at least one-eighth inch per foot is necessary. If water pools in that spot during rain, you have a drainage problem to solve before you pour concrete or lay pavers.

Locate underground utilities. Call 811 (the national call-before-you-dig number) and request a locate. Crews will mark gas lines, electrical lines, and water pipes so you do not hit them during excavation. This is free and takes a few days, so do it early.

Decide on size and shape. A 12-by-14-foot patio is large enough for a table and chairs with room to move around it. Rectangular shapes are easier to build than curves or angles, and they use materials more efficiently.

Key Takeaways

  • Call 811 before you dig so you do not strike buried utilities, and wait for the locate crew to mark lines before you start excavation.
  • A patio needs to slope away from your house at least one-eighth inch per foot so water drains and does not pool against your foundation.
  • Concrete and pavers are the two most common surfaces; concrete is cheaper and faster, while pavers cost more but are easier to repair in sections.
  • The base layer of compacted gravel is the most important step — a poor base causes cracking in concrete and settling in pavers within a year or two.
  • Most homeowners can build a small patio with hand tools and a wheelbarrow, but renting a plate compactor saves days of labor.

Choose Between Concrete and Pavers

Concrete is the faster and cheaper option. A 12-by-14-foot concrete patio costs roughly $1,200 to $2,400 if you do the labor yourself and buy materials at a home center. Concrete is poured in one day and hardens over a week. The downside is that concrete cracks over time, especially in freeze-thaw climates, and once it cracks, you cannot repair just that section — you have to replace the whole slab or live with the crack.

Pavers (brick, stone, or concrete units) cost more upfront — the same 12-by-14-foot space runs $2,500 to $4,500 in materials — but you can replace individual pavers if one breaks or settles. Pavers take longer to install because each one is set by hand, but the work is less physically demanding than mixing and pouring concrete. Pavers also give you more design options: patterns, colors, and mixed materials.

For a first-time builder, pavers are often the better choice because mistakes are easier to fix. Concrete requires more precision and skill to finish smoothly.

Excavate and Prepare the Base

Dig out the area to a depth of 4 to 6 inches. Remove grass, roots, and topsoil — you want to reach firm, undisturbed soil. A shovel works for small patios, but a rented excavator or skid-steer loader saves time and your back on anything larger than 200 square feet.

Spread 4 inches of compacted gravel or crushed stone over the excavated area. This is the foundation of your patio. Compact it with a plate compactor (a rented machine that vibrates and flattens the gravel) or a hand tamper. Rent a plate compactor for $40 to $60 per day — it is worth every dollar. Poor compaction causes the patio to settle unevenly within a year, creating puddles and cracked concrete or sunken pavers.

Check the slope again after compacting. The gravel base should slope away from your house. Use a long level and a measuring tape to confirm the slope is correct before you move to the next step.

Pour Concrete or Lay Pavers

For concrete: Build a wooden frame (called a form) around the perimeter using 2-by-4 lumber staked to the ground. The top of the frame should be level or slope slightly away from the house. Mix concrete according to the bag instructions or order ready-mix concrete delivered by truck. Spread the concrete inside the form with a shovel, then smooth it with a long straight board (called a screed board) dragged across the top of the form. Finish the surface with a broom for traction. Let it cure for at least seven days before walking on it.

For pavers: Spread a 1-inch layer of sand over the compacted gravel. Use a straight board to level the sand. Lay pavers one at a time, pressing each one firmly into the sand. Use a rubber mallet to tap them level. Space them evenly — most pavers have small lips that create a consistent gap. After all pavers are laid, spread polymeric sand (sand that hardens when wet) into the gaps between them and spray with water to set up it.

Seal and Maintain Your Patio

Concrete patios benefit from a sealer applied after the concrete has cured for at least two weeks. Sealer protects against stains, water damage, and freeze-thaw cracking. Reapply sealer every two to three years. A gallon of concrete sealer costs $20 to $50 and covers about 200 to 400 square feet.

Pavers do not require sealing, but you can explore a sealer to enhance color and protect against stains if you want. The polymeric sand between pavers hardens and locks them in place, but you may need to top it up every few years if it washes away.

Both concrete and pavers need regular sweeping to remove debris and prevent moss or algae growth. Pressure wash once a year to keep them clean. Avoid salt-based ice melt in winter — it damages both concrete and pavers. Use sand or calcium chloride instead.

Common Mistakes to Avoid

The most frequent error is skipping or rushing the base preparation. A thin or poorly compacted base causes problems that show up months later, when the patio is already in use and expensive to fix. Spend time on the gravel layer.

The second mistake is not accounting for drainage. If your patio is level or slopes toward your house, water will pool and freeze in winter, cracking concrete and shifting pavers. Check the slope with a level before you pour or lay anything.

A third mistake is underestimating the amount of material you need. Measure twice and add 10 percent to your material order for waste and mistakes. Running out of concrete or pavers mid-project is frustrating and expensive.

Tools and Equipment You Will Need

For a small patio, you can work with basic hand tools: a shovel, a wheelbarrow, a level, a measuring tape, and a rubber mallet. For concrete, you also need a mixing tub or access to a concrete mixer, and a screed board (a straight 2-by-4 works). For pavers, you need a rubber mallet and a broom.

Renting equipment saves time and effort. A plate compactor ($40–$60 per day) is the most valuable rental. If you are excavating more than a few cubic yards of soil, rent a small excavator ($100–$150 per day) instead of digging by hand. A concrete mixer ($20–$30 per day) is useful if you are mixing your own concrete instead of ordering ready-mix.

Frequently Asked Questions

How long does a patio take to build?

A concrete patio takes two to three days of work: one day to prepare the base and pour, and two days for the concrete to cure enough to walk on (full curing takes a week). Pavers take longer — typically four to seven days depending on size, because each one is laid by hand. Most of the time is spent on base preparation, which cannot be rushed.

Can I build a patio on top of existing concrete?

Yes, if the existing concrete is in good condition with no large cracks or heaving. Clean it thoroughly, fill any cracks with concrete filler, and explore a bonding agent before pouring new concrete on top. For pavers, you can lay them directly on the old concrete if it is level, using a thin sand bed. If the old concrete is cracked or uneven, remove it first.

What is the best time of year to build a patio?

Spring and fall are ideal because temperatures are moderate and rain is less likely to interfere with concrete curing or sand settling. Avoid pouring concrete in freezing weather or heavy rain. Summer heat can cause concrete to cure too quickly and crack. Winter is difficult in cold climates because concrete will not set properly below 50 degrees Fahrenheit.

Do I need a permit to build a patio?

Most jurisdictions do not require a permit for a patio under a certain size (often 200 square feet), but some do. Check with your local building department before you start. A permit usually costs $50 to $200 and involves a straightforward inspection to may support the work meets code. It is worth doing because it protects your property value and prevents disputes with neighbors.

How much does a patio cost?

A 12-by-14-foot concrete patio costs $1,200 to $2,400 in materials if you do the work yourself. Pavers for the same space cost $2,500 to $4,500. Hiring a contractor to build it adds $2,000 to $5,000 in labor. Costs vary by region, material quality, and site conditions (drainage problems or difficult soil can raise the price).