Enter the current monthly rent, market monthly rent, and a time horizon (in months or years) into the calculator to estimate a rent-difference-based buyout amount for a rent-stabilized apartment. Actual tenant buyouts are negotiated and depend on local laws and circumstances, so this is only a rough estimate—not legal advice.

Rent-Stabilized Buyout Calculator

Enter current rent, market rent, and a time horizon to estimate a buyout amount (rent-difference rule of thumb).

Rent-Difference Buyout Estimate (Rule of Thumb)

There is no single standard or legally required formula for a rent-stabilized tenant buyout—buyouts are negotiated and rules vary by jurisdiction. A common rough starting point is to value the tenant’s below-market rent as the monthly rent difference multiplied by a chosen time horizon:

Estimated Buyout = (Market Rent - Current Rent) * 12 * Years

Variables:

  • Estimated Buyout is a rough estimate of a lump-sum amount a tenant might request or a landlord might offer, based only on rent difference over a time horizon ($).
  • Market Rent is the estimated rent the apartment could command at market rate ($ per month).
  • Current Rent is the current rent paid by the tenant ($ per month).
  • Years is the time horizon you want to value (for example, the remaining lease term, an assumed renewal horizon, or another negotiated timeframe). In many rent-stabilization systems, tenants may have renewal rights, so “years remaining on the lease” may not reflect how long the tenant could lawfully stay.

To calculate this estimate, subtract the current monthly rent from the market monthly rent to get the monthly difference, multiply by 12 to convert to a yearly difference, and then multiply by the chosen number of years. This does not account for important real-world factors like negotiation leverage, legal restrictions, relocation costs, taxes, discounts for present value, or the risk and timing of vacancy.

What is a Rent-Stabilized Buyout?

A rent-stabilized buyout is an offer made by a landlord (or requested by a tenant) for the tenant to voluntarily surrender a rent-stabilized tenancy and vacate the apartment, typically in exchange for a lump-sum payment. Buyouts are negotiated and may be subject to local disclosure requirements, waiting periods, and other tenant-protection rules.

How to Calculate a Rent-Stabilized Buyout?

The following steps outline one simple way to estimate a Rent-Stabilized Buyout using the rent-difference rule of thumb.

  1. Determine the current monthly rent paid by the tenant.
  2. Estimate the market monthly rent for the apartment if it were rented at market rate (this depends on local law and market conditions).
  3. Choose a time horizon (e.g., remaining lease term, an assumed number of renewal years, or another negotiated timeframe).
  4. Use the estimate formula: Estimated Buyout = (Market Rent – Current Rent) * 12 * Years.
  5. Finally, use the calculator above to verify your calculations.

Example Problem:

Use the following variables as an example problem to test your knowledge.

Current Monthly Rent (Current Rent) = $1,500

Market Monthly Rent (Market Rent) = $2,500

Time Horizon (Years) = 5, so the rent-difference estimate is: (2,500 − 1,500) × 12 × 5 = 1,000 × 60 = $60,000.