Custom Window-Box Catios in Maryland
Compact, stylish window-mounted catios designed for condos and apartments, offering safe outdoor perches with premium finishes.

Window-Box Catios
Compact, HOA friendly window-box catios mount to an existing sash to create instant outdoor perching. Ideal for condos and apartments where space is limited.
Standout features
- Works on upper floors and small balconies
- Simple cleaning panels and clear wind lids keep upkeep low
- Great first step before a larger outdoor catio
Design and Options
We tailor width, depth, and height to your window and view. Designs prioritize safety, airflow, and a refined look from both inside and outside.
- Narrow footprint that clears window blinds and trim
- Insulated sill pad and secure sash anchors
- Clear side panels for light and visibility
- Weather lids that keep rain out while cats lounge
- Optional ramp or ladder to reach the perch
- Room tone finishes that match your interior
Materials and Safety
Built with corrosion resistant hardware, pet-safe mesh, and smooth edges. Every unit is leveled, seated, and anchored into structural framing or approved backing.
- Secure latches and cat-safe spacing on all openings
- Rounded edges and low VOC finishes for easy cleaning
- Load paths engineered for confident jumping and resting
Installation and Approvals
We install with minimal disruption and provide guidance for HOA review when needed. Photos, drawings, and finish samples are available to support approvals.
- Typical install once materials are ready
- Dust control and floor protection during work
- Clear care guide for cleaning and seasonal panels
FAQs
Do window-box catios work on upper floors?
Yes. We anchor to structure and design for wind and height. Clear panels preserve light and views.
Are they HOA friendly?
Most communities accept window-box designs when materials and finishes are shown. We help prepare what you need for review.
Will the unit block my window?
Designs keep the sash operable. Clear sides and a slim footprint maintain daylight and airflow.
How do I clean it?
Removable panels and wipeable finishes make routine care simple. We include a care guide after install.
Where We Build
We serve Maryland communities including Annapolis, Baltimore, Bethesda, Columbia, Frederick, Gaithersburg, Laurel, Potomac, Rockville, Silver Spring, and nearby areas.
Exploring other options? See our Outdoor Catios or read the Benefits of Catios.