Preventing Litter Box Problems

Location Matters

Choose a location that offers privacy while remaining easily accessible.

• Avoid placing litter boxes next to noisy appliances such as furnaces or washing machines.
• Do not place litter boxes near food and water bowls.
• Ensure kittens and senior cats can reach the box easily without stairs or obstacles.
• If placed in a closet or bathroom, wedge the door open to prevent trapping your cat inside or locking them out.

If you have multiple levels in your home, place at least one litter box on each level.

How Many Boxes?

The general rule is one litter box per cat, plus one extra.

In multi-cat homes, distribute boxes in different areas so one cat cannot block another’s access. Do not place litter boxes side-by-side.

What Size Boxes?

The litter box should be at least one and a half times the length of your cat (from nose to base of tail).

Cats need enough room to turn around comfortably, dig, and fully position themselves without stepping in soiled areas. Many commercially sold litter boxes are too small, especially for larger adult cats.

For some households, large storage totes (with an entry cut into the side if needed) provide a more appropriate size option than standard litter pans.

Covered vs. Uncovered

Many cats prefer open litter boxes.

• Covered boxes trap odors and may require more frequent cleaning.
• Large cats may not have enough room to turn comfortably.
• Covered boxes can create ambush opportunities in multi-cat households.
• Cats may avoid dark, enclosed spaces.

If unsure, offer both options and observe your cat’s preference.

Keep It Clean

Scoop daily. Replace litter regularly based on type and household use.

Wash the box with mild, unscented dish soap when fully changing litter. Avoid ammonia-based or strongly scented cleaners, as these can deter use and may be irritating.

Litter Depth

Most cats prefer approximately 1–2 inches of litter. Excess depth does not replace regular scooping and may discourage use.

Scented vs. Unscented

Use unscented litter. Added fragrances irritate a cat’s sensitive respiratory systems and discourage use.

Litter Type

Most cats prefer soft, fine-textured clumping litter (clay, corn, wheat, or walnut-based). Pellet or crystal litters may be uncomfortable for some cats.

If Problems Develop

If your cat begins eliminating outside the litter box, schedule a veterinary exam first. Many medical conditions can cause changes in litter box behavior.

If medical causes are ruled out, behavior modification may be needed. Punishment is not effective and can worsen the issue.

Key Takeaway

Clean, accessible, unscented, and appropriately located litter boxes prevent most problems. When in doubt, provide more boxes and keep them simple.