I'm not finding a listing for this property on the MLS. However, the townhome association does allow cats and dogs under 45 lbs according to other listings from this area. The owner may not allow pets but that is specific to the owner.
If you are interested in rentals in Crystal Lake, I would be glad to help you. Also there are many properties available for purchase in this area that may cost much less than $1300 per month for the same size and quality.
Feel free to contact me at email@example.com and I can get you a list of rentals and possible purchases in this area.