Today is Nov 10th, and he still did not send me the payment and has not responded.In July, when it was time to renew the lease, he also messed up on the renewal dates on the contract and was reluctant to get it amended with the tenant.

I'm now fairly certain that my 2019 filing is incorrect and I will be filing an amended return once I've figured out what "correct" is. 

Louis in almost all areas)If a Section 8 tenant (which should be clear in the ledger if not already disclosed) - the signed HAP and/or the most recent HAP amendment/notice of change (whichever is newer) Also require satisfactory walk through & inspection.  

Please see the following link for the exact set of rules as of 2017 with a 2018 amendment:Union City Rent Stabilization Ordinance 20172018 amendment

So if you don't complete your 1031 you'll want to amend your tax returns to at least take advantage of the depreciation benefit before you have to pay it back.If your gross gain is $250  then that is probably taxed at 15% federal plus whatever state.   

His recommendation was to instead amend the CC&Rs to something everyone agrees upon and not to dissolve it entirely.

The lawyer responded wqth "allow The Buyer[s] to present a contract and then we can accept/amend/or reject at that time. 

I'd get on your agent BIG TIME, and if they just want to be a facilitator ok, but only getting a facilitators commission and I'd demand amendment to reflect. 

Let the experts handle what they do everyday, a good agent will know negotiation tactics, amendments, and contract tweaks that you have never heard of. 

If you don't feel comfortable amending a line or two in a Word document for your lease to address a possible change due to covid, then I would shop attorneys for price.