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Covered Patio or Deck → Outdoor Kitchen
Transform an existing covered patio or deck into a fully functional outdoor kitchen with a built-in grill, countertop prep space, a sink with running water, refrigeration, storage, and weather-resistant materials for year-round outdoor cooking and entertaining.
Cost Range
$5,000 – $30,000
Timeline
2–8 weeks
Materials Cost
$16,350
Permits Cost
$1,050
Just like an indoor kitchen, an outdoor kitchen works best when the three main stations — the grill (cooking), the sink (cleanup), and the refrigerator (storage) — form a triangle with 4 to 9 feet between each point. This minimizes unnecessary walking while cooking. The most common layout for a patio kitchen is an L-shape along two walls or edges of the patio, or a linear layout along one wall with the grill in the center flanked by prep counter and sink. Position the grill where smoke blows away from the house and dining area (check your prevailing wind direction). Place the sink near an exterior wall for easy plumbing access. Allow at least 24 inches of counter space on each side of the grill for prep and plating.
Estimated time: 3 days
Outdoor kitchens are heavy. A stone or concrete block island with a granite countertop can weigh 1,000 to 3,000 pounds. If building on a wood deck, have the structure evaluated by a contractor to confirm it can support the weight — you may need to add posts or footings underneath. Concrete patios handle the weight without modification. Check with your local building department about permits: most jurisdictions require permits for gas line work, electrical additions, and plumbing. Some HOAs have restrictions on outdoor structures and cooking equipment. If running a gas line, a licensed plumber or gas fitter is required in every jurisdiction.
Estimated time: 5 days
The kitchen structure provides the frame for your grill, countertop, sink, and storage. Construction options include concrete block or cinder block with a steel frame (most durable, fireproof, and weather-resistant at $1,500 to $4,000 for materials), prefabricated modular outdoor kitchen frames ($2,000 to $5,000, fastest installation), or steel stud framing with cement board sheathing ($1,000 to $2,500, lighter weight for deck installations). Concrete block is the most popular DIY approach: stack blocks in your layout shape, reinforce with rebar and mortar, and fill cores with concrete. Leave openings for the grill, access doors, and any built-in appliances. Apply a weather-resistant finish: stone veneer, stucco, tile, or brick facing.
Estimated time: 7 days
The countertop must be weather-resistant, heat-resistant, and attractive. Best options include granite ($40 to $100 per sqft installed, the most popular choice for outdoor kitchens — durable, heat-resistant, and available in many colors), concrete ($30 to $80 per sqft, can be custom-poured and colored to match any design, extremely durable), tile ($15 to $50 per sqft, affordable and customizable but grout lines require maintenance), and quartzite ($50 to $120 per sqft, natural stone alternative to granite with excellent weather resistance). Do NOT use quartz (engineered stone) outdoors — the resin binder degrades in UV sunlight and the countertop will discolor and crack within a few years. Granite and concrete are the safest choices for longevity.
Estimated time: 3 days
A built-in grill is the centerpiece of the outdoor kitchen. Drop-in grills are designed to mount into a cutout in your counter structure. Sizes range from 30 inches (two burners, suitable for small families) to 42 inches (four to five burners, ideal for entertaining). Budget $500 to $3,000 for the grill depending on brand and features. Connect the grill to your home natural gas line for unlimited fuel without propane tank swaps ($500 to $1,500 for a licensed gas fitter to run the line), or use a propane connection if natural gas is not available. Optional cooking additions: a side burner for pots and pans ($200 to $500), a smoker box or dedicated smoker, a pizza oven insert ($500 to $2,000), or a flat-top griddle.
Estimated time: 3 days
An outdoor sink transforms your kitchen from a grill station into a real cooking space. You can prep food, wash vegetables, clean utensils, and wash hands without running inside. Install a stainless steel drop-in sink (15x15 to 20x15 inches) with a single-handle faucet. Run hot and cold water supply lines from inside the house — tap into existing kitchen or laundry plumbing on the nearest interior wall. The drain connects to your sewer line or can drain to a dry well in areas where code permits. In cold climates, install frost-proof faucets or a shutoff valve inside the house that lets you drain the outdoor lines before winter to prevent freezing and pipe bursts.
Estimated time: 4 days
Install at least two GFCI-protected outdoor outlets near the counter for small appliances (blender, electric knife, phone charging). Run a dedicated circuit for an outdoor-rated under-counter refrigerator ($400 to $1,000), which keeps drinks, marinades, and ingredients cold without trips inside. For lighting, install task lighting above the grill and prep areas (LED under-cabinet lights or a pendant light), ambient lighting for the dining area (string lights, post lights, or landscape lighting), and safety lighting along walkways and steps. All outdoor electrical work must use weather-rated boxes, covers, and conduit. A licensed electrician should handle the installation.
Estimated time: 4 days
Complete the kitchen with details that make it functional and inviting. Install stainless steel access doors in the island for storage of grilling tools, charcoal, cleaning supplies, and propane (if applicable). Add a paper towel holder and trash receptacle near the prep area. If your patio is not already covered, add a pergola, awning, or roof extension to protect the cooking area from rain and direct sun — cooking under a blazing sun is miserable, and rain ruins the experience entirely. A 12x12 foot pergola costs $2,000 to $5,000 for a DIY build. For the dining area adjacent to the kitchen, add a table and chairs sized for your entertaining needs, outdoor fans for airflow, and a sound system for ambiance.
Estimated time: 4 days
| Material | Est. Cost | Required |
|---|---|---|
| Concrete Block, Rebar, and Mortar (island structure) | $2,000 | Required |
| Stone Veneer, Stucco, or Tile Facing | $1,500 | Required |
| Granite or Concrete Countertop | $2,000 | Required |
| Built-In Drop-In Grill (30-42 inch) | $1,500 | Required |
| Gas Line Installation (licensed gas fitter) | $1,000 | Required |
| Stainless Steel Outdoor Sink and Faucet | $300 | Required |
| Plumbing (supply lines, drain, frost-proof valves) | $1,500 | Required |
| Outdoor-Rated Under-Counter Refrigerator | $600 | Optional |
| Electrical (GFCI outlets, dedicated circuit, conduit) | $800 | Required |
| LED Task and Ambient Lighting | $400 | Required |
| Stainless Steel Access Doors (2-3) | $300 | Required |
| Side Burner | $350 | Optional |
| Pergola or Shade Structure (if patio uncovered) | $3,000 | Optional |
| Outdoor Dining Furniture | $800 | Optional |
| Outdoor Ceiling Fan | $200 | Optional |
| Weatherproof Cover for Grill and Counters | $100 | Required |
Required for running a new gas line to the grill. Licensed gas fitter or plumber pulls this permit. Required in every jurisdiction.
$300
Required for new water supply and drain connections for the sink. Licensed plumber pulls this permit.
$250
Required for new outdoor circuits and GFCI outlets. Licensed electrician pulls this permit.
$200
May be required if adding a pergola or roof structure. Check local requirements for covered outdoor structures.
$300