Passage of the measure, Mr. Tocci said, would also "put pressure on the locals to initiate condemnation procedures."

He said condemnation procedures were under way.

The condemnation procedures, which will determine the value of each site, are being heard in State Supreme Court in White Plains.

Kathryn S. Wylde, the president and chief executive of the group, said her members opposed any efforts to alter condemnation procedures through federal or state legislation.

If we have not heard from you within 7 days, we will start condemnation procedure in District Court.

They contend that the sponsors used a condemnation procedure to avoid the city's land-use review process and an auction of the property for the top bid.

Under eminent domain law, condemnation procedures must begin three years after the final legal challenge.

But Mr. Weisbrod said he expected condemnation procedures could also begin soon on those projects.

Using condemnation procedures if necessary, it will apparently move to gain the part of the site it does not own, including the auction mart.

Soon after the decision, city officials announced plans to charge the residents of the homes for back rent for the five years since condemnation procedures began.