How To Build Stairs

If you’re looking to add a new set of stairs to your home, you’ll be pleased to know that it’s a relatively straightforward process. In this article, we’ll walk you through the steps required to build stairs that are both safe and functional.

Step 1: Measure Your Space

Before you begin building your stairs, you’ll need to measure the space where they will be located. This will help you determine how many steps you need and how much material you will need to purchase.

Step 1.1: Determine the Rise and Run

To calculate the rise and run of your stairs, measure the height of the space where the stairs will be located (the rise) and the depth of each step (the run). Divide the height by the depth to determine the number of steps needed.

Step 1.2: Measure the Width

You’ll also need to measure the width of the space where the stairs will be located. This will help you determine the size of the treads and risers needed.

Step 2: Gather Your Materials

Once you have your measurements, it’s time to gather your materials. You’ll need stringers, treads, risers, screws, nails, and a saw.

Step 2.1: Choose Your Wood

When choosing your wood, it’s important to select a species that is strong and durable. Oak, maple, and cherry are all popular choices for stair building.

Step 3: Cut Your Stringers

The stringers are the backbone of your stairs. They support the weight of the treads and risers, so it’s important to cut them accurately.

Step 3.1: Use a Template

To ensure accuracy, use a template to cut your stringers. You can purchase a template or make one yourself using a piece of cardboard.

Step 4: Install Your Stringers

Once your stringers are cut, it’s time to install them.

Step 4.1: Position the Stringers

Position your stringers in the location where your stairs will be located.

Step 4.2: Secure the Stringers

Use screws to secure the stringers to the framing of your home.

Step 5: Attach Your Treads and Risers

With your stringers in place, it’s time to attach your treads and risers.

Step 5.1: Cut Your Treads and Risers

Measure and cut your treads and risers to fit the space between your stringers.

Step 5.2: Attach the Treads and Risers

Use nails or screws to attach the treads and risers to the stringers.

Step 6: Add a Handrail

A handrail is an essential safety feature for your stairs.

Step 6.1: Measure and Cut Your Handrail

Measure and cut your handrail to fit the length of your stairs.

Step 6.2: Attach the Handrail

Use screws to attach the handrail to the stringers.

Step 7: Finish Your Stairs

With your stairs built and your handrail installed, it’s time to add the finishing touches.

Step 7.1: Sand and Stain Your Stairs

Sand your stairs to smooth out any rough edges and then stain them to match the rest of your home.

Step 7.2: Install Your Balusters

Balusters are the vertical supports that hold up your handrail. Install them using screws or nails.


Q: How much does it cost to build stairs?

A: The cost of building stairs varies depending on the materials used and the complexity of the design. On average, you can expect to pay between $1,000 and $5,000.

Q: How long does it take to build stairs?

A: The time it takes to build stairs depends on the complexity of the design and the skill level of the builder. On average, it takes between 1 and 4 days to build a set of stairs.

Q: Do I need a permit to build stairs?

A: In most cases, you will need a permit to build stairs. Check with your local building department to find out what permits are required in your area.


Building stairs may seem like a daunting task, but with the right tools and knowledge, it can be a simple and rewarding project. Just remember to measure carefully, choose quality materials, and follow the steps outlined in this article.