How much does a pergola cost?

DIY pressure-treated 10x12: $500-$1,500. DIY cedar 10x12: $1,000-$3,000. Pergola kit (wood): $1,500-$4,000. Aluminum kit: $2,000-$6,000. Professional installation: $3,000-$10,000. A DIY cedar pergola is the best value for a high-quality result ($1,000-$3,000 in materials for a weekend project). Kits simplify construction (pre-cut, pre-drilled, with instructions) and are worth the premium if you want an easier build.

Can I build a pergola myself?

Yes. A pergola is one of the most approachable outdoor building projects. Tools: post hole digger (or rent an auger), circular saw or miter saw, drill, level, and a helper. Skills: measuring, cutting, and basic carpentry (no advanced joinery required). Time: 2-3 days (one day for posts and concrete, one day for beams and rafters). The hardest part: getting the posts plumb and square (use string lines and a level). A pergola kit makes DIY even easier (pre-cut, pre-drilled components).

What is the best wood for a pergola?

Cedar for most homeowners. It is naturally rot and insect resistant (no chemical treatment), beautiful (warm reddish-brown color), lightweight (easier to work with than pressure-treated), and dimensionally stable (less warping). Seal or stain to preserve the color. Pressure-treated pine is the budget alternative (40-50% cheaper, but less attractive and prone to warping). Redwood is the premium choice (equal to cedar, but less available and more expensive). For zero maintenance: aluminum or fiberglass.

Do I need a permit for a pergola?

It depends on your location. Many jurisdictions require a permit for any structure with footings (which a pergola has). Common thresholds: structures over 200 sq ft, structures over 10 feet tall, or any structure with concrete footings. Check with your local building department before starting. Homeowners associations (HOAs) may also require approval. Permits typically cost $50-$300 and require a simple plan showing the dimensions, location, and footing depths.

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Pergola Building Guide: Materials, Design & DIY Plans

Lumberama Editorial Team, Outdoor Structure & Landscape Design Specialists Jun 12, 2026 13 min read

What Is a Pergola

A pergola is an outdoor structure with vertical posts supporting an open lattice of beams and rafters. It provides partial shade and defines an outdoor living space. Unlike a gazebo (enclosed roof) or a pavilion (solid roof), a pergola has an open roof that allows some sunlight through while creating a sense of enclosure and shade. Pergolas are used for: patio covers, garden walkways, outdoor dining areas, hot tub enclosures, and as a decorative garden feature.

Materials

Pressure-treated pine: The most affordable wood option. $500-$1,500 for a 10x12 pergola. Treated for rot and insect resistance. Can be stained or painted. The standard for budget pergolas. Downsides: green tint (fades to grey if unstained), can warp and twist as it dries, and the chemical treatment is a concern for some homeowners.

Cedar: The premium wood choice. $1,000-$3,000 for a 10x12 pergola. Naturally rot and insect resistant (no chemicals). Beautiful reddish-brown color. Lightweight and stable (less warping than pressure-treated). Stain or seal to maintain the color (otherwise it weathers to silver-grey). The most popular choice for high-quality wood pergolas.

Redwood: Similar to cedar. $1,500-$4,
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Naturally rot-resistant, beautiful, and durable. Less available (primarily in the western US). The premium natural wood option.

Vinyl/PVC: Maintenance-free, white, and clean-looking. $1,500-$4,000 for a kit. No painting, staining, or sealing needed. Downsides: limited colors (mostly white), less structural strength than wood (larger posts needed), and can yellow over time.

Aluminum: Lightweight, strong, and maintenance-free. $2,000-$6,
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Powder-coated in various colors. Modern appearance. Will not rust, rot, or warp. The most durable low-maintenance option.

Fiberglass: The strongest and most durable material. $3,000-$8,
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Looks like painted wood but requires zero maintenance. Will not warp, crack, rot, or fade. The premium material for longevity.

Design and Sizing

Size: Common sizes: 8x8, 10x10, 10x12, 12x14, 12x16, and 14x16 feet. Size for your intended use: dining table seating needs at least 10x12 feet, a lounge area needs 12x14+, and a hot tub enclosure needs at least 10x10.

Posts: 6x6 is the standard (minimum for structural integrity). 8x8 for larger pergolas (14+ feet spans). Height: 8-10 feet (measured to the bottom of the beams). Set posts in concrete footings (minimum 12 inches diameter, below the frost line).

Beams: 2x8, 2x10, or 2x12 (doubled or tripled for longer spans). Span: up to 12 feet for 2x10 doubled beams. Beams typically extend 12-18 inches past the posts (with a decorative end cut).

Rafters: 2x6 or 2x8, spaced 12-16 inches apart. Run perpendicular to the beams. Extend 12-18 inches past the beams (with decorative end cuts). Common end cut profiles: angled, curved, or scalloped.

Building Steps

Lay out and dig post holes (12-inch diameter, below frost line).
Set 6x6 posts in concrete. Level and brace. Let cure 24-48 hours.
Attach beams to the tops of the posts with through-bolts or post-beam connectors.
Install rafters across the beams, secured with hurricane ties or toenailed screws.
Optional: add a lattice top (1x2 or 2x2 slats across the rafters for additional shade).
Sand, stain, or seal.