Rent Stabilized Buy Out Number Estimate.

Don't worry about the landlord's profit.

First, estimate how many more years you'd stay in the apartment if nothing changed. I.e., guess your life expectancy.

Then, estimate how much more per year it'd cost you to market-rent a comparable apartment.

Multiply (or calculate the present value of that income stream) and you've got a starting point for your negotiations.

At 220 CPS, each tenant got $1,500,000. The building was being demolished, so they'd have been gone eventually anyway. The money was the price for going quietly and not dragging the process out for years.

Or keep it simple, and approach from the other direction. Go to three insurance companies and find out what it'd cost you today to buy an inflation-protected lifetime annuity whose first-year return would be what RS saved you last year.

And don't forget to bake in capital gains taxes youll be liable for on surrender of long term lease.