You can rely on the experts to assist you. 

The nuances in state regulations require an expert who understands how to expedite the process within the legal framework.

And experts said that was a good idea.

I am looking at a 5 unit building that I want to do a condo conversion on. 4 units would be vacant 1 has a rent controlled tenant in there who does not want to move. I would owner occupy it so I don't know if I have a...

I don't know that @Dave Foster earlier mention worked...I'll let him chime in as the expert, but you can 1031 for less it just results in 'boot' which is taxable.

I HIGHLY suggest you connect with a local expert such as @Josh Green.

I bought 6 unit property in Wildwood,NJ,in November 2024, doing rehab now,  should be done by May 2025I am planning to subdivide 6 unit building to 6 separate condos and sell fall 2026, , if there are any experts in 1031 that can help me?!

This included some landmark deals including Rockefeller Center’s $3.5B loan and Miami Beach’s Fontainebleau $1.2B refinancingAlternative lenders filling traditional banking gaps with short-term solutions which has already begun a cycle of consolidation that will likely continue and accelerate in 2025The Office Sector Divide:CBD property values are down 50.7% from 2021 peaksClass A office properties seem to be in their own vacuum of prosperity with trophy properties commanding premium rents ($100+ PSF nationally, up to $247 in top markets) with strong occupancyHybrid work continues impacting older building valuations which have not faired as well, but this may begin to rebalance as more companies are instituting mandates to return to physical officesChallenges & Opportunities:$1 trillion in loans maturing by 2026Interest rates up from 3.5% (2021) to 6.74% (2024)Experts such as AEW’s Michael Acton and Blackstone’s Nadeem Meghji see the best entry point in the last 15–20 years and we agreeMarket Outlook:Current market conditions present unique opportunities, with inflation-adjusted prices at historic lows and yields at decade highs.

Rent control advocates will state it is greedy landlords because they have zero knowledge of basic economics.

The PM should be an expert on state law, and they should have policies and procedures in place to handle these situations.