Pergola Installation Cost Calculator

Most professionally installed pergolas run $3,000 to $10,000, with the typical project landing around $4,000 to $8,000. Cost is driven by three things: footprint, material, and roof style. A small pressure-treated pine pergola can be $3,000 to $5,000; a mid-size cedar one (say 150 sq ft) lands near $6,300; and a large aluminum or composite build, especially with an adjustable louvered roof, can reach $12,000 to $20,000+. Whether it's freestanding or attached to the house, plus extras like concrete footings, integrated lighting, privacy screens, and staining, moves the number further. A ~$1,500 job minimum applies. Enter your footprint and material above for a localized estimate, then read on for what drives the price.

It comes down to budget, look, and how much maintenance you'll tolerate. Pressure-treated pine (~$30/sq ft installed) is the cheapest and structurally sound, but it warps and needs regular staining or sealing. Cedar (~$42) is the natural-wood favorite — attractive, naturally rot- and insect-resistant, and it takes stain beautifully, though it still benefits from periodic sealing. Vinyl/PVC (~$45) is low-maintenance and won't rot but looks more uniform and less natural. Aluminum (~$50) is sturdy, rust-proof, modern, spans larger openings, and is the usual base for louvered-roof systems. Composite (~$55) blends wood fiber and plastic for excellent durability and a wood-like look with minimal upkeep. For a natural look on a budget, cedar or pressure-treated wins; for set-and-forget longevity, vinyl, aluminum, or composite are worth the premium. The calculator lets you compare all five.

A freestanding pergola stands on its own on four or more posts and can go anywhere — over a patio, by the pool, in the garden — giving you full placement flexibility without touching the house. An attached pergola connects to your home on one side via a ledger board bolted to the wall, with posts on the outer side, extending the house like a covered patio and creating a smooth indoor-outdoor transition. Attached uses slightly less material (about 5% less in the calculator) because one side leans on the house, but it demands careful flashing at the ledger to prevent water intrusion — a detail worth paying a pro to get right. Freestanding is often simpler since it doesn't involve modifying or sealing against the house. Choose attached to extend a specific door or patio seamlessly; choose freestanding for placement freedom and to avoid touching the structure.

A louvered pergola has an adjustable roof of pivoting slats (louvers) you can open for filtered light and airflow or close to block sun and light rain — operated by a hand crank or, more often, a motor with a remote, switch, or rain sensor that auto-closes. Premium motorized aluminum systems can fully close to shed rain, effectively turning the pergola into an on-demand covered patio, and many bundle in lighting and fans. The trade-off is cost: louvered roofs add about 45% in the calculator and, in the real market, often run two to four times a basic open pergola because of the engineered mechanism, motor, and aluminum build. It's worth it if you want a true all-weather outdoor room and have the budget; if you mainly want to define a space with dappled shade, an open-rafter or solid-cover roof gets you there for far less.

That depends entirely on the roof style. A traditional open-rafter pergola gives partial, dappled shade — the spaced rafters block some sun and cast shifting shadows, but plenty of light gets through and there's essentially no rain protection. People often boost an open pergola with climbing plants, a retractable canopy, or shade cloth. A solid or polycarbonate cover (about +25%) blocks most sun and sheds rain, making it more like a covered patio. The most versatile is a louvered roof (about +45%) you can close for full shade and light-rain protection or open for sun and sky. So a basic pergola is mostly for defining a space and aesthetics, while covered and louvered versions buy real sun and weather protection at a higher price. Decide how much coverage you want up front — it drives both the design and the cost.

Often yes on the permit — it depends on local codes, the size and height, whether it's attached, and whether there's electrical for lighting or fans. Many areas require a permit for attached pergolas or any structure over a certain size or with footings; some allow small freestanding units without one. An HOA may also need to approve size, style, and placement. A good installer knows local rules and can pull the permit (it's an add-on in the calculator). Anchoring is just as important: on soil, posts are set on concrete footings dug below the frost line for a stable, wind- and frost-resistant base; on an existing concrete or paver patio, posts are bolted down with heavy-duty metal base brackets. Wood posts are kept off the ground on standoff bases to prevent rot. A pergola acts like a sail, so proper anchoring isn't the place to cut corners — the calculator offers both concrete-footing and patio-anchor options.

Most pergola installs take 1 to 3 days, depending on size, material, roof style, and foundation work. A pergola kit or a moderate custom wood build on an existing patio often goes up in a day or two once the posts are anchored. Concrete footings extend it, because the concrete needs to cure (often a day) before the frame is fully built on top, spreading the job across 2 to 3 days. Larger or intricate custom designs, attached pergolas that need careful ledger and flashing work, and motorized louvered-roof systems (engineered mechanism plus electrical for the motor) can take 3 to 5 days. Add-ons like integrated lighting, privacy screens, or staining stretch the timeline — staining in particular adds drying time. Pre-fab kits assemble faster than fully custom builds, and any required permit is handled up front as lead time. Weather can affect both outdoor work and concrete curing.