Storage Stairs: Put Every Inch to Work

A storage staircase turns the biggest space cost in a small two-level home into its biggest storage opportunity. Drawers in the steps, a closet or pantry underneath, and shelving along the side can replace a dresser, a coat closet, and a bookcase. The key is to plan it early and keep the stair itself safe and code-compliant.

Why the staircase is your best storage opportunity

In a small home with a loft or a second floor, the stair takes up floor area on two levels: the run below and the opening above. You can't avoid it, so the right-sized move is to make it do two jobs. The volume under and inside a stair is deep, protected, and right in the middle of the house, which makes it ideal for everyday things.

8 storage stair ideas

1. Drawers in the steps. Each step becomes a pull-out drawer. Deep lower drawers hold shoes, bags, and bulky items; shallow upper ones hold small things.
2. An under-stair closet. A coat closet or linen closet tucked under the run, with a door that matches the wall.
3. An under-stair pantry. Pull-out pantry units slide into the triangle under the stair so nothing gets lost in the back.
4. A wardrobe stair. Hanging space and drawers built into the stair's side, replacing a dresser in a small bedroom loft.
5. Bookshelf stringers. Open shelving along the side of the stair for books, baskets, and display.
6. A landing cabinet. On a stair with a landing, the landing platform can hide a deep storage box or a cabinet.
7. A desk or reading nook underneath. An open under-stair space with a surface, a light, and an outlet.
8. Laundry or utility space. In some layouts, the tallest part of the under-stair volume can house a compact washer-dryer or water heater. Plan access, venting, and drainage with your contractor.

What to check before you build

• Keep the stair itself compliant. Storage lives inside and under the stair. The stair's width, rise, run, headroom, and handrails still need to meet code. See our guide to ladders, ship's ladders, and stairs.
• Fire protection for enclosed space. Building codes typically require the walls and underside of an enclosed, accessible space under a stair to be protected (commonly with gypsum board). Ask your contractor to include it.
• Flush hardware. Use push-to-open drawers or recessed pulls so nothing snags a foot or a pant leg.
• Soft-close, full-extension slides for deep step drawers, so you can reach the back.
• Light it. A small LED strip under a tread or inside a closet makes storage usable and the stair safer at night.
• Weight. A full drawer of shoes is heavy. The stair structure, not the drawer box, should carry people.

Buy, kit, or build?

A ready-made kit. Start with the manufacturer's intended use and installation instructions. A loft-access product may not suit a habitable second floor. Have your designer and building department review it before you order.

Custom millwork. A builder and cabinetmaker can coordinate the stair structure with usable cabinetry. Plan the drawers, access, and required fire protection together.

Adapt the space underneath. You may be able to improve an existing under-stair cupboard without changing the stair itself. Have structural and fire-protection requirements checked before opening walls or altering framing.

Mistakes to avoid

• Adding storage after the stair is built. It's far cheaper to plan drawers and closets into the framing.
• Sacrificing the stair for storage. Steeper, narrower stairs to fit more drawers aren't a good trade.
• Deep, dark cavities. Anything you can't see or reach becomes lost space. Use pull-outs and lighting.

Frequently asked questions

Can you put drawers in stairs? Yes. Some stair designs can incorporate drawers when a qualified designer integrates them with the structure. The stair structure should carry the load, and the stair still needs to meet code for dimensions and handrails.

Is under-stair storage allowed by building code? Ask your building department about your proposed design. Enclosing and accessing the space beneath a stair can introduce fire-protection requirements; your designer should address these before construction.

What's the best use of space under stairs in a small home? Whatever you use daily and want out of sight: a pantry, coat closet, shoe storage, or a compact desk. Pull-out units make deep spaces usable.

Are storage stair kits code-compliant? Many kits are designed for loft access in tiny homes. Whether one works for your project depends on your home type and local code, so confirm before buying.

How much storage can a staircase add? It depends on the stair's size and design, but a full storage stair can often replace a dresser, a coat closet, and a bookcase in a small home.

Tawnya Falkner

Founder of Right Sized Intelligent Living and Sightline Homes. More than 25 years in architecture and real estate development inform her approach to spaces that work harder and feel easier.