Basement Stairs

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Stronger, Safer Construction

Made with heavy-duty, pressure-treated lumber for long-lasting strength and stability.

Custom Fit Installations

Each staircase is designed to fit your foundation opening for a seamless, secure install.

Fast, Hassle-Free Process

From removal to installation and cleanup, we handle everything quickly and professionally.

Affordable Quality

Enjoy top-tier workmanship and materials without the inflated cost.

Installed with

Your basement stairs are more than just a way down—they’re the foundation of safe, everyday access to your lower level. At CT Cellar Doors, we build staircases with pressure-treated lumber and expert craftsmanship, ensuring each set of stairs is sturdy, secure, and built to last. From carrying laundry to transforming your basement into living space, you can count on stairs that handle years of daily use without compromise.

Pressure-Treated Lumber

Built from the highest quality lumber, resistant to rot, pests, and wear.

Custom-Built Fit

Each staircase is measured and built to fit your foundation opening precisely.

Professional Removal

We take care of removing and disposing of your old stairs so you don’t have to.

Full Cleanup

Once installed, we leave the job site spotless with no debris left behind.

Licensed & Insured Experts

Every installation is handled by trained professionals for your peace of mind.

Satisfaction Guaranteed

Our work is backed by a guarantee for long-lasting performance and safety.

Install with confidence

A basement staircase is one of the most frequently used — and most accident-prone — areas of the home. If your stairs are worn, damaged, or no longer safe, replacing them is the smartest choice. New stairs are ideal if you want to:

  • Improve safety and accessibility to your basement
  • Replace stairs too damaged for repair
  • Upgrade to a sturdier, longer-lasting design
  • Add value by supporting finished basement projects

Whether your basement is used as storage, laundry, or living space, secure stairs are essential for safe everyday access.

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Basement Stair Installations

CT Cellar Doors installs strong, custom-fit basement staircases across Connecticut and Southern Massachusetts, giving homeowners safe, durable, and reliable access to their basements with professional, long-lasting installations.