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Arbor, Pergola, and Trellis Construction Costs

Providing some shade for an underutilized outdoor living space can make the area more enjoyable for friends, family and guests. There are several ways to provide shade, but some of the most popular options include an arbor, pergola or trellis. In addition, these outdoor living extras can increase the curb appeal of the patio, backyard or garden, which might increase the potential resale value of the property. Use this guide to get a better idea of the costs if you want to build an arbor pergola or trellis.

National Build an Arbor, Pergola or Trellis Costs

Cost data is based on actual project costs as reported by ImproveNet members.

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Average reported cost

based on 278 cost profiles


Minimum cost


Maximum cost

Most homeowners spent between:




National Build an Arbor, Pergola or Trellis Costs
Average reported cost $3,126
Number of Cost Profiles 278 cost profiles
Minimum reported cost $400
Maximum reported cost $7,242
Most homeowners spent between: $2,341 to $3,541

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Cost of Building an Arbor or Pergola

Before you decide what kind of addition to build, it is important to clearly understand the difference between the arbor and the pergola. Both provide shade, but they have some major distinctions. An arbor offers an almost-entirely shaded roof thanks to latticework, and a pergola is larger, but has four open sides. An arbor is generally attached to the side of a building, offering just three open sides and a little more protection against the elements. The average homeowner will pay anywhere between $3,847 and $4,745 to build an arbor or a pergola on their property.

Cost of Adding on a Trellis

A trellis is built onto the sides of an arbor or a pergola, and it can add extra protection, shade and privacy. Adding a trellis is much more affordable that building the arbor or pergola structure, and costs run anywhere between $400 to $900 for professional construction. However, it can be a simple DIY project since no part of the trellis is load bearing.

Cost of Various Construction Materials

The two most popular materials for arbors and pergolas are vinyl and wood. If you are having a customized item built, wood will almost certainly be the best choice thanks to its durability. However, it is also possible to buy much cheaper already-made arbors and pergolas made from vinyl, which cost as little as $212 apiece.

Costs of Attached or Detached Arbors and Pergolas

Since an arbor is typically attached to the side of the home, it may be slightly harder to construct, and it may need to be permitted as an addition to the house. For this reason, attached arbors are more expensive than their detached pergola counterparts.

Adding an arbor, trellis or pergola may be a significant investment, but it certainly has countless perks for the homeowner.

Last updated on Mar 31, 2016

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