How to Get Rid of Litter Box Smell (and Hide the Box) in a Small Home

Loving your cat and loving a fresh-smelling home shouldn’t be a trade-off. But in a small apartment, one litter box can dominate an entire room — visually and, well, aromatically. The good news: with the right routine and a few smart placement decisions, you can make it practically disappear on both fronts. Here’s how — grounded in guidance from the Cornell Feline Health Center.

Related: if your cat suddenly stopped using the box altogether (not just an odor problem), see why cats suddenly stop using the litter box. In a multi-cat home, also check how many litter boxes you actually need.

Why does my litter box smell so bad?

Odor almost always comes down to one of a few causes:

• Infrequent scooping. Waste sitting in the box is the number one source of smell.
• Not enough boxes. Cornell’s rule of thumb is one box per cat, plus one extra.
• The wrong litter. Cornell notes most cats prefer unscented, finer-textured litter; scented litters can actually bother cats and mask odor poorly.
• Poor placement. A box in a sealed closet traps odor instead of letting it dissipate.
• A dirty box itself. Plastic absorbs odor over time; Cornell recommends replacing the box if odor remains after cleaning.

How do I get rid of litter box smell for good?

Cornell Feline Health Center notes that decreasing litter box odor can even be an important part of treating cats that avoid the box. A simple routine handles most of the problem:

1. Scoop at least once daily — twice is better.
2. Fully empty and wash the box weekly with mild soap and water.
3. Use a low-dust, unscented clumping litter about 1–2 inches deep.
4. Add a litter mat to catch tracked litter and stray waste.
5. Neutralize what’s left in the air. An odor eliminator like our Smart Pet Odor Eliminator works continuously, and refills like the 4-Pack Air-Purifying Refill keep it going. (Peer-reviewed research has even found odor eliminators can positively influence litter box behavior.)
6. Bag waste odor-tight. Sealing scooped waste in Litter Box Waste Bags stops the trash can from becoming the next smell source.

How can I hide a litter box in a small apartment?

You don’t necessarily need dedicated furniture. What matters is finding a spot that is discreet and ventilated:

• Use a bathroom with an extractor fan. The single best free option — the fan does the ventilation work, the door hides the box, and hard floors are easy to sweep.
• Look for dead space. Behind a sofa, under a console table, in a hallway nook, or beside a washing machine. A box only needs a clear approach on one side.
• Use a screen, not a lid. A folding screen or a curtain blocks the view while leaving air moving freely. Enclosed boxes are the ones that turn into odor traps.
• Mind the airflow. Cornell points out that some cats dislike covered boxes because they hold odor in — so whatever you use, keep it ventilated, in a low-traffic but airy spot, and scoop daily. Ventilation is what keeps a hidden box fresh instead of smelly.
• Never block the only exit. Cats need to see an escape route while using the box. A spot with two open sides prevents box avoidance.

Frequently asked questions

How many litter boxes do I need?

One per cat plus one extra (Cornell). Two cats = three boxes, ideally in different spots.

Will hiding the litter box in furniture make it smell worse?

It can. Covered and enclosed boxes trap odor unless they are ventilated and scooped daily. If maintenance ever slips, an enclosed box gets bad faster than an open one.

Where’s the best place to put a litter box in a small apartment?

A quiet, ventilated area your cat can always reach — a bathroom with an exhaust fan, or a hallway nook. Avoid sealed closets.

Is scented litter better for odor?

Usually no. Cornell notes most cats prefer unscented litter; daily scooping plus low-dust clumping litter controls odor far better than perfume.

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Sources & references

• Cornell University College of Veterinary Medicine, Cornell Feline Health Center — Feline Behavior Problems: House Soiling.
• Guy NC et al. — Effect of an odor eliminator on feline litter box behavior (peer-reviewed, PMC).
• ASPCA — Litter Box Problems.