There are a few YC rooms that do not have balconies. I have stayed in a room that overlooks the "wedding gazebo" (or whatever it is called) that did not have a balcony. Most rooms do have balconies.
If it's important to you, request a full sized balcony. Because of the shape of the building, there are some rooms that have a standing room only balcony and others that don't have them at all. I'd also ask for a room in the back of the building. A number of the standard views in the front overlook the parking lot or convention center roof.
Here's a site that shows the layouts of all the floors in the YC, complete with room numbers, views and some indication of which have the balconies, http://www.disneyzone.net/ycresort.htm. Something to keep you busy while you're on hold anyway.
Our Authorized Disney Vacation Planners are here to provide personalized, expert advice, answer every question, and uncover the best discounts.
Let Dreams Unlimited Travel take care of all the details, so you can sit back, relax, and enjoy a stress-free vacation.