The goal of the first 3 deals will be to target 1-4unit styled homes, requiring minor-rehab.

We back into the "strike price", meaning the maximum price we're willing to pay for a property, by starting with a conservative ARV and then backing off our required profit, the rehab cost, the time value of money (carrying costs and interest), and a contingency reserve for unexpected expenses.

The syndications might be invested in multiple states which will require multiple state return filings which add to costs.Are you getting any consulting throughout the year?

If I require a separate EIN then I would just make regular LLCs.

For the historic district, I would just make sure that you fully understand what requires approval and what that process looks like.

It's a double skip process that requires gathering owner information on the LLCs from the secretary of state or corporationwiki (as @Eliott Elias stated), and then skipping the owner which is why you will only find a handful of companies that can do this accurately. 

Are there any others in CT which can fulfill these requirements?

Likely it is just a quit claim deed to your new name, however, also note that some states (ie MI - requires another form to be filled out and it changes our taxes - or can change them....).Get the help you need to make sure it is done right without costing you extra down the road.  

They do, however, have up to 60 days to return a security deposit after a tenant moves out.If an eviction is necessary for nonpayment, landlords are required to send a seven-day written notice of the payment due.

@Shak F. you wont be able to do a cash-out refinance with a conventional loan, since they require 12 months.