You would have to create an HOA to manage the common area and keep control of that or create a self-managing HOA for the four owners to manage together.

Dave mentioned control in the TIC but alot of times that is an illusion.

Could also rent it out, controlled by an agreed upon third party that distributes equal pay to each party, and hopefully could also pay the mortgage out of rental proceeds so neither of you are on the hook.

They want to have tight control of which team is introduced to work with and do not allow sharing of info among members.

After a third infraction, you terminate their lease and move them out.Take control, or they will control you.

Gov. mandates, laws, regulations, these are tools to control WHAT the product/service is, think safety focused. mandating no lead in toys, or fall-arrest gear for roofers, things like that, THAT is where it works. 

Imputed expenses are important because they will be included as Operating Expenses when a lender appraiser does its appraisal, and also when the lender calculates its Debt Service Coverage Ratio.Regarding pest control, it's not just monthly roach spraying.

Furthermore, you should explore checkbook control versus having the custodian make all the investments.  

Quote from @Wilson Pereira De Oliveira: I didn't know about this rent control limits in Berkeley.

Accept whoever applies" is an idea that would cost you a bucket of money in the long run.Bankruptcy is usually a "no" unless it appears to be a one-time event caused by something out of their control such as a massive medical bill or a business failure.