Outdoor litter box DIY plans

“Adding the litter box to our catio completed our cats dream space. They started using it right away and now play and lounge in the catio all day without having to come in for bathroom breaks. It looks great and is easy to clean!”
– Rebecca H., cat parent
Help reduce indoor litter box odors with a DIY Litter box for your catio!

CATIO LITTER BOX (EXTERIOR MOUNTED)

BENCH LITTER BOX (INSIDE CATIO)
Build a multifunctional litter box bench with seating on top for use inside your catio or home. Front doors allow access for cleaning, and cats can enter from the left or right side (or both). Easy to build with a DIY plan!

You don't need to be an experienced carpenter!
Each DIY catio plan is easy to follow and rewarding to build…
or hire a carpenter to build the catio plan for you.
Catio Litter Box DIY Plan


The catio litter box can be stained or painted to match your catio or home.
WHATS INCLUDED:
The Catio Litter Box DIY plan is designed to make the building process easy-to-follow and rewarding to build. Build one yourself or hire a carpenter to build the plan for you!
- Step-by-step instructions, diagrams and tips for a successful project.
- Tool and material list (materials are available from a home improvement or lumber store).
- Litter box can be located on either side of your catio.
- Accommodates a large 24” x 18” litter box.
- Doors provide easy access for cleaning the litter box from outside the catio.
- Polycarbonate roof provides light and year-round weather protection.
- Litter box frames are built separately prior to installation.
- Litter box can be sealed, stained, or painted to complement your home and garden.
LITTER BOX DIMENSIONS | |
---|---|
Length: | 32 3/8″ (finished box with siding), 33 1/2″with side roof overhand |
Depth: | 22″ (finished box), 24″ with front/slash back roof overhang |
Height: | 20″ to 20 1/2″ (roof angle) |
You’ll receive a pdf download of your DIY plan so you can get started right away!


BENCH LITTER BOX DIY PLAN


The LITTER BOX BENCH DIY Plan by Catio Spaces provides easy-to-build instructions for an attractive, multifunctional addition to your catio and home. The plan features front access doors to clean the litter box, cat entry options from the left or right side (or both), and space for sitting and lounging on a padded top with fabric. The spacious interior accommodates a large 18” x 24” litter pan, and the exterior wood can be stained or painted to complement your decor. Help eliminate indoor litter odors while your cats enjoy the catio lifestyle. The plan is a PDF download including a tool and material list, step-by-step instructions, and diagrams for a successful project.
Build a litter box bench for your catio with our DIY Plan!
The litter box bench can be customized, stained or painted to compliment your catio and home.

The Litter Box Bench DIY plan is designed to make the building process easy-to-follow and rewarding to build. Build one yourself or hire a carpenter to build the plan for you!
- Plans provide step-by-step instructions, diagrams, and tips for a successful project.
- Tool and material list (materials are available from a home improvement or lumber store)
- Litter box bench can be used in your catio or the interior of your home.
- Accommodates a large 24” x 18” litter box.
- Doors provide easy access for cleaning.
- Cat entry options from the left or right side of the litter box bench.
- Litter box bench can be sealed, stained, or painted to complement your décor.
LITTER BOX BENCH DIMENSIONS | ||
---|---|---|
Length: | 38″ | |
Depth: | 24″ | |
Height: | 20″ |
You’ll receive a pdf download of your DIY plan so you can get started right away!




Want us to design your dream catio?
If you live in the Greater Seattle area we can design + build your catio for you.