Hello how may I help you? Hi I have a dog and need to know how big of an apartment i need Sure I can help with that. What breed of dog do you own? it is a Yorkie The Yorkie is a breed which does not require a large living area and should be suited for any apartment style residence. Does the dog have to be able to go outside? Yorkie owners suggest that they require an above average amount of exercise. Ok. If I were to get a second Yorkie would I need more space? Two of them in the same apartment would generally be considered fine and no more space would be required. Is there any other info I can help provide? No. Thank you. Have a great day!