Shareholders claim board is running a "racket" in their posh Museum Mile co-op.

Routine laundry room renovation morphs into a major capital project.

Cold weather, vacant apartments and a leaking pipe add up to a disaster.

Legal war on the Upper East Side hinges on a “valuable tool” for boards.

Modernization made waterfall look outdated, called for fast action.

Boards must decide if it’s smart to save on interest by paying down the loan.

Co-op and condo boards need to act now to avoid fines for carbon emissions.

The challenges kept coming with old systems that hemorrhaged money.

By cutting waste, board saves big without major upfront costs.

A nasty fight has erupted over how close a church can build next to a co-op.