Mark-to-Market Extension Act of 2001

Mark-to-Market Extension Act of 2001 - Amends the Multifamily Assisted Housing Reform and Affordability Act of 1997 (Act) to require (currently, authorizes) the Secretary of Housing and Urban Development to make specified funds available to tenant, nonprofit, and other organizations for activities under such Act.

Requires the Office of Multifamily Housing Assistance Restructuring (Office) to provide section 8 residents with notice of a restructuring plan's rejection.

Authorizes the Secretary to consider mortgage restructuring and rental sufficiency plans to facilitate property transfers.

Limits owner contribution to 25 percent of rehabilitation costs in the case of certain required additional features such as elevators, air conditioning, or community space.

Amends the United States Housing Act of 1937 to provide for consistent rent standards for projects undergoing restructuring, and for tenant-based vouchers.

Amends the National Housing Act to limit a refinanced mortgage subject to a mortgage restructuring and rental sufficiency plan to not more than a 30-year term.

Extends the Office and mortgage and rehabilitation programs under the Act.

Reduces from two years to one year the limitation on subsequent employment by the Director of the Office or certain other employees with a non-Federal employer having any financial interest in any mortgage restructuring or rental sufficiency plan.

Directs the Comptroller General to: (1) report annually through 2005 to Congress respecting the activities carried out under the Act; and (2) submit a final report to Congress.