Or if negotiating a renewal, add a few points to the 'Amendment to the Rental Agreement' (after the new dates and new rent is called out):-Maintenance requests or repairs will be scheduled for repair within X days of their request.

Read your purchase agreement with the Builder. 

The loan does not legally transfer to you unless the bank approves an assumption agreement.

They are great at operating agreements, partnership terms, and Maine real estate laws.

Normal Tenants who actually suffered the loss of income are usually happy to sign the agreement for rental assistance.

Some time spent searching through posts or using the search function could bring up plenty of them.For contracts in CA, I suggest you simply get a PSA (purchase and sales agreement) from any agent.

Once it is fully executed it is a binding agreement.  

That should also be in the lease agreement.

Technically all partners will not be limited, but the operating agreement will spell out the specifics and make sure people cannot get voted out. 

You need to check party wall agreements for connecting properties to see obligations there.