what determines better?
Cost of ownership?
Ease and lifestyle?
Cost or convenience?
Not avoiding the question, seeking the most important definition of "better"
PS: With our rates of appreciation, not certain the "ivnvestment" criteria applies.
Your Neighborhood Professional,
Beyond that, it depends on what you really want. For example, townhomes have much less yard to maintain than single family homes. That could be either a good point or a bad point, depending on you. Other factors play into it as well, including affordability.