I agree with Lisa, but I would also recommend that you check out the street sweeping days and what the off-street parking situation is like at several times a day. If your family has two cars, parking may be a bigger issue, but if only one...maybe not!
Hello. Buying a home can be a very personal thing and I would say if it is the right home for you that should be at the top of your list. There is inherent value in a yard and garage, but that being said there are many buyers who do not want a yard to worry about and unless you have a problem with storage a garage may not be necessary. Other ammenities such as proximity to shops, resturants and public transportation can help add value to home as well. Looking at the property overall in terms of location and ammentiies will be really important in addition to the actual home.
Your Realtor can help you evaluate the sale of your type of home with others in the area that have a yard and garage so you can make a better comparison regarding the inherent value of your home compared to others.