Owning individually after 35 years plus getting your wife on board to the refi idea at all is just noise IMO. 

The pandemic ignited a boom in a sweat equity strategy known as multifamily syndication, where investors pool their money to purchase apartment communities, and a sponsor manages the property’s rehab business plan and oversees daily operations.This year, a leading equity crowdfunding site conducted what’s believed to be the largest-ever survey of individual real estate investors in order to gauge their appetite for investing in a pandemic.

Learn that and you can decide what to do on each individual deal later .

Basically, it finds all the phone numbers associated with that individual's name you can then write all the numbers down and then call them all.

We also know that the sale of each lot can be used for a separate, individual 1031 purchase.  

We also know that the sale of each lot can be used for a separate, individual 1031 purchase.

We also know that the sale of each lot can be used for a separate, individual 1031 purchase.

Am I forced to just try and block off parking with some sort of cone and tape or what can I do to deter individuals for parking illegally?

LLC's are around and many people create them(individuals and large companies) on an annual basis, They can't all be creating them with no benefit in mind. 

@Jeremy L Riddle it sounds like it's maybe time to part as friends cashing in on the growth and profits at hand and re-deploy/leverage individually. 50/50 deals are the most dangerous for the point when there is any impasse.