Successful urban intentional community that share houses or one house?

I live in an intentional community that I helped start 4 years ago in urban Orlando. We are trying to get our vision and agreement straight and figure out how to manage our different lifestyles (some having more time to commit) and I would really like to figure out how to address fairness, pulling own weight, not feeling guilty or frustrated, by looking at successful urban shared household intentional communities (whew, that's a mouthful).

Would love any suggestions that you may have!

The Fellowship of Intentional Communities (ic.org) has a vast library of articles on just the kinds of subjects you're asking about.  My own experience in Intentional Community (at the Ganas community, in Staten Island, approximately 80 members, in 8 houses, going on 40 years now) suggests that the most important ingredient for successful community is people who are more interested in community than in their own baggage.