What is a co-op alteration agreement, and why does my board require one?

Answered by AskBaily Editorial · Updated

Short answer

Every NYC co-op managing agent (Halstead, Douglas Elliman, FirstService Residential, Rose Associates, Brown Harris Stevens) maintains a standard Alteration Agreement. The homeowner and contractor sign before DOB filing. The agreement specifies hours, protection, insurance limits, escrow, structural sign-offs, and plumbing-riser rules. No board approval means no DOB filing.

In detail

Every NYC co-op managing agent (Halstead, Douglas Elliman, FirstService Residential, Rose Associates, Brown Harris Stevens) maintains a standard Alteration Agreement. The homeowner and contractor sign before DOB filing. The agreement specifies hours, protection, insurance limits, escrow, structural sign-offs, and plumbing-riser rules. No board approval means no DOB filing.

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