Best Small Cat Litter Box for Apartment Living: What to Choose

Quick Picks

Apartment fit is the first filter. A box that saves scooping but blocks a hallway or forces awkward access turns into more daily annoyance than a simpler model with an honest footprint.

What This Guide Helps You Choose

This shortlist separates boxes by the problem they actually solve in a small home. Some fit a tighter footprint, some fit a corner, and one removes scooping with a motor.

The real decision is not box size alone. It is the total maintenance burden, where the box lives, and how often the room notices it.

Setup constraint that changes the answer: no outlet near the litter spot, a closet door that swings into the box, or a service lane so tight that opening the box becomes a chore pushes the choice away from the powered unit.

How We Chose

This list favors published footprint and cleanup burden over novelty, then weighs storage friction, cat acceptance, and parts or consumable access. That order matters in apartments because the litter box rarely gets its own room.

The space and entry checks behind these picks are in what to look for in a cat litter box for an apartment .

Where a maker does not publish a size, the page says so and asks you to check the listing.

1. Modkat Top-Entry Cat Litter Box: Best Overall

A published 16 by 16 inch footprint

Modkat lists the Top-Entry at 16 x 16 x 15 inches and describes it as great for cats up to 12 lb. The lid swivels open for scooping, stray litter left on the lid falls back inside, and the lid doubles as a walk-off mat, per Modkat. The reusable liner lasts up to 3 months, according to Modkat.

Where the fit starts to matter

A cat over 12 lb is outside Modkat’s range, and the cat has to jump in through the top. The liner is a recurring part.

Best for: a small apartment with a smaller cat and little floor space. Not for: cats over 12 lb, or cats that avoid top entries.

2. IRIS USA Hooded Corner Litter Box, Large: Best for a Corner

A corner shape for a small room

IRIS says its corner box provides plenty of space for the cat and maximizes space, with a lid and flap entry door that keep litter and spray contained, and curved sides that make cleaning out the corner pan simple.

The hidden fit check

IRIS does not publish dimensions in the product text used here, so measure the corner against the listing before you buy.

Best for: an apartment with a spare corner and a cat that accepts a flap door. Not for: cats that refuse covered boxes, or buyers who need a published footprint.

3. IRIS USA Hooded Cat Litter Box, Large: Best Simple Hooded Pick

A hood with a published footprint

IRIS lists the entire unit at 19.0 x 15.0 x 15.1 inches. It describes a spacious hood that provides privacy, a hinged door to help contain odor, and a high-polish finish for easy cleaning. IRIS notes that the litter scoop and grate are not included.

The cost of the hood

A hooded box holds odor until it is scooped, and the scoop is a separate buy.

Best for: a plain hooded box in a space where a 19 by 15 inch footprint fits. Not for: cats that reject hoods.

4. Mighty Handful Small Cat Litter Box (Size: Small): Best Second Station

The Mighty Handful Small Cat Litter Box (Size: Small) (Amazon search) earns its place because multi-cat apartments need a second station that does not swallow the floor plan. It is the practical pick, not the glamour pick.

Trade-off: the maintenance work stays manual. A second box only helps if the scoop routine stays consistent, and a neglected backup box turns into the worst-smelling spot in the apartment.

Why a second small box solves real friction

One box rarely serves two cats cleanly in a tight apartment if the bathroom or hallway setup creates competition. A compact second station gives each cat another option and keeps one overworked box from becoming the whole household’s problem.

Best for: multi-cat apartments that need an extra litter station in a spare corner. Skip it if: you want automation, odor help, or a cleaner-looking primary box solution.

5. Leo’s Loo Too: Best Self-Cleaning Option

A motorized box for an apartment with an outlet

Casa Leo describes Leo’s Loo Too as a self-cleaning litter box with an app for starting a cycle and monitoring waste levels, voice control through Alexa and Google Assistant, a sealed waste drawer, and a UV-C light for odor protection. It lists a drum that accommodates cats up to 20 lb (9 kg) and a motor that runs at about 30 dB.

The fit check is power and space

This is a powered appliance, so it needs an outlet near the litter spot and room for the drum. This page does not state a footprint, so check the listing dimensions against the space.

Best for: an apartment where the box can have a permanent spot with an outlet. Not for: apartments with no outlet near the litter area, or buyers who want no electronics.

Which Pick Should You Choose?

Buy by the problem that creates the most annoyance in the apartment, not by the box that looks easiest to hide. If the box lives near the bedroom or work area, noise and service access matter more than design polish.

What Could Change the Recommendation for Small Apartment Living

A different layout changes the winner. The best box on paper loses fast when the apartment gives it no outlet, no service lane, or no reasonable place to store litter and supplies.

Frequent moves change the ranking too. Simple boxes stay easier to place in a new apartment because they do not ask for cord routing or a new service routine every time the lease changes.

Manual alternatives for tight spaces

A high-sided open pan takes less visual and physical space, moves easily, and avoids cords, drawers, filters and proprietary accessories. It is not the right answer for odor-sensitive rooms. A top-entry design saves floor space, but skip it if the cat is small, old, or hesitant to jump.

Who Should Skip This

Skip this roundup if the litter box has to disappear behind furniture and stay out of sight all the time. The best apartment boxes here still need access and cleanup space.

Skip Leo’s Loo Too if there is no outlet near the litter area or no room to reach it. A cramped setup turns automation into a weekly annoyance. Skip the hooded boxes if the cat sits beside a wall where litter smell collects.

What We Did Not Pick

Several common alternatives miss the apartment-use test for different reasons.

• Modkat XL, stylish and popular, but the larger footprint works against a small room.
• Catit SmartSift, clever in theory, but at 26 x 19 x 25 inches by Catit’s listing it is big for an apartment.
• Petmate Booda Dome, enclosed and familiar, yet the visual bulk works against a small room.

These are not bad products. They just solve a different version of the problem than a small apartment does.

Specs That Matter

The number on the page matters less than the work the box creates in your room. A published footprint helps only if the lid or door has room to open.

Missing numbers matter. If a brand does not publish a footprint, treat that as a question to answer from the listing before you buy.

Final Recommendations

For most small apartments, the Modkat Top-Entry is the best choice because it has the smallest published footprint of the group. The trade-off is the 12 lb rating and the top opening.

The best corner pick is the IRIS USA Hooded Corner Litter Box, Large, and the best plain hooded pick is the IRIS USA Hooded Cat Litter Box, Large. If the apartment needs a second station, the Mighty Handful Small Cat Litter Box (Size: Small) fills that job without taking over the room. Leo’s Loo Too is the self-cleaning option for an apartment with an outlet and room.

Is an automatic litter box worth it in a small apartment?

Only if the box stays in one permanent spot with an outlet and a service lane. Leo’s Loo Too is the one self-cleaning option here. If the litter area has no outlet, a manual box is the safer fit.

Does an open litter box make more sense than a covered one?

If the cat rejects hoods, yes. A covered box only helps when the cat accepts it and the design truly reduces scatter instead of just hiding it.

Which pick has the smallest published footprint?

The Modkat Top-Entry at 16 x 16 x 15 inches. The IRIS Hooded Cat Litter Box, Large lists 19.0 x 15.0 x 15.1 inches. IRIS does not publish dimensions for the corner box.

What works best for two cats in one small apartment?

Two stations work better than forcing one box to carry all the traffic. The Mighty Handful Small Cat Litter Box (Size: Small) serves as the compact second station.

What should be measured before buying?

Measure the footprint, the service lane, the outlet location, and the door swing near the litter spot. Those four checks decide whether a box fits the room in practice, not just on the product page.

What is the best choice if the cat hates covered boxes?

Skip the hooded and top-entry boxes and use an open pan. Cat acceptance matters more than enclosure.

Sources

• Modkat: Top-Entry Litter Box
• IRIS USA: Hooded Corner Litter Box, Large
• IRIS USA: Hooded Cat Litter Box, Large
• Casa Leo: Leo’s Loo Too