10 Best Compact Litter Boxes For Small Apartments 2026 in the United States

The Modkat Flip Litter Box is a great choice for people living in small apartments who want a neat, compact solution. Its size (about 20.5 by 15.75 inches and 16.8 inches tall) fits well in tight spaces without feeling too cramped for your cat. The front-entry design helps reduce litter scatter and is especially useful if your cat tends to dig enthusiastically or pee on the sides, since the full-height seamless base stops leaks and messes effectively. Made from durable polypropylene plastic, the box is built to last and feels sturdy.

Cleaning is straightforward thanks to the reusable liner system that fits perfectly inside, which can last up to three months before needing replacement. This liner cuts down on waste and makes cleanup less of a chore. The lid can flip open in three different positions—fully closed for privacy, half-open if your cat likes a peek, or fully removed for easy access—which is handy if your cat is shy or if you need quick cleaning.

Odor control is addressed with two bamboo charcoal filters included, which help keep smells in check, making it suitable for small living spaces where odors can quickly become noticeable. The modern, stylish design also means it won’t look out of place in your home, and even comes with a bonus toy to entertain your cat. One consideration is that replacement liners are sold separately, so there is an ongoing cost to keep it working at its best. Also, the box is designed for indoor house cats and might be a bit large if you have very tiny spaces or multiple cats. This litter box balances functionality and style, making it a solid pick for cat owners who want a clean, odor-controlled, and space-friendly option.

The Modkat Top-Entry Litter Box is a smart choice for small apartments where space and cleanliness matter. Its compact size (about 16 inches square and 15 inches tall) fits well in tight spots without being bulky. The top-entry design is especially effective at keeping litter inside the box, reducing the mess many cat owners dislike. This style also acts as a walk-off mat, so your cat's paws clean themselves before stepping out, helping prevent litter from spreading on your floors. Made from durable plastic, the box is sturdy and includes a reusable liner that can last up to three months, saving money and being better for the environment. Cleaning is simplified by a swivel lid, which means you don’t have to remove a heavy hood every time you scoop. This is convenient and speeds up maintenance.

While the box doesn’t have built-in odor control features like filters or carbon layers, the closed top design helps contain smells better than open boxes. Also, the modern and award-winning design looks stylish and can blend nicely into your living space without standing out as a typical litter box. One minor drawback is that smaller or older cats might need some adjustment to using a top-entry box, as it requires jumping in and out. Additionally, while the box is dog-proof, it may feel a bit snug for very large cats. The included scoop and a bonus cat toy add value, making it a well-rounded product. If you want a compact, easy-to-clean litter box that controls mess and looks good in your home, the Modkat Top-Entry is worth considering—especially if litter tracking and apartment-friendly size are your priorities.

The Petmate Booda Clean Step Cat Litter Box Dome is a well-designed option for small apartments, especially if you want to keep litter mess to a minimum. Its unique entry has a built-in step that catches litter from your cat’s paws, reducing the scatter on your floor—very helpful in tight spaces. Although it’s larger than average (22.5 inches square and 19 inches tall), it stays compact enough for small living areas and has a sturdy plastic make with 95% recycled materials, which is great if you care about the environment. The dome shape with a lid offers privacy for your pet and helps contain odors better than open boxes.

Speaking of odor control, it includes a charcoal filter to reduce smells, but you’ll need to replace filters and liners separately to keep it fresh. Cleaning is relatively straightforward thanks to the top and bottom parts and the built-in handle, but the size might require a bit more space to manage than very small, simple trays. Its brushed nickel color and sleek dome design look modern and fit well in many home decors.

This box is versatile, suitable not only for cats but also for other small pets like rabbits or ferrets. If you have a very small apartment or limited space, its size might feel a bit bulky. While the charcoal filter helps with odor, frequent cleaning is still necessary to maintain freshness. This litter box is a solid choice if you want a cleaner entry system, good odor control, and eco-friendly materials, but be prepared to devote some effort to maintenance and have enough room to accommodate its larger size.