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Average Cost to Build Stairs

In all kinds of homes and outdoor spaces, stairs are the ideal way to easily connect two levels. However, unless you have some serious carpentry experience in your past, this is one job that is probably best left to the professionals. Constructing stairs, as well as railings, needs to be done perfectly in order to be a safe and attractive addition to your home. Use this guide to see the average costs and what factors can influence the total price of the project.

Once completed, be sure to connect with local carpenters who can help with your next stair project.

National Build Stairs or Railings Costs

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

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Average reported cost

based on 1700 cost profiles


Minimum cost


Maximum cost

Most homeowners spent between:




National Build Stairs or Railings Costs
Average reported cost $1,990
Number of Cost Profiles 1700 cost profiles
Minimum reported cost $75
Maximum reported cost $5,000
Most homeowners spent between: $1,217 to $1,998

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Average Price of Professional Stair Construction

Whether you are building a brand new home or simply renovating an existing one, it is important to have a rough idea of the various elements involved. Since building a staircase is a big job, it is important that you budget for it properly. Trying to ascertain the exact price for your space is not easy, and there are several factors that can influence the price. For example, an outdoor staircase with five steps is going to cost a lot less than a winding indoor staircase with 24 steps. However, you can still expect your staircase construction to cost between $2,240 and $3,126, which is the national average for a professional job.

Cost of Demolishing & Removing Existing Stairs

Before you bring in professionals to tackle the construction of a brand new staircase in your home, you may need to demolish some existing stairs. This can be a substantial project, one that requires a lot of time and labor. While you may be able to help in order to cut costs, demolishing is best left to those who know which pieces of framing are load-bearing and which can go. It is also important to remember that anytime you remove and demolish parts of the home, you have to come back and install drywall and paint wherever the existing space was damaged, and that can increase the total cost as well.

Indoor, Outdoor & Unusual Stair Construction

You should be aware that the cost of building a staircase differs from project to project, and that is especially true when it comes to the style and the location. An outdoor staircase to your front door from the sidewalk might be quite expensive per square foot if it uses durable stone tiles, but a standard interior staircase can be framed and will cost less per step but more overall. A spiral staircase is more expensive than normal, but a standard pull-down staircase for an attic can cost as little as $500.

There are also some final additional factors that can influence the total cost of the project. The construction of railings, the size of the staircase and whether you need a permit will also add to the cost of the job.

Last updated on Jan 16, 2017

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