First, not a single low-income family and, at most, about 150 moderate-income households will be able to live in the 800 rental units.

Such a policy change would help low and moderate-income households at no additional cost.

Most of the 17,000 apartments will go to moderate-income households that earn between $19,000 and $32,000 a year.

Over 500 residences are to be set aside for low- and moderate-income households.

The units are rented to the homeless, the poor and moderate-income households, defined as those with incomes up to $32,000 a year.

The major impetus was an increase in the percentage of low-income and moderate-income households with no, or very modest, savings.

Thirty percent of the apartments are to go to homeless families, with the rest to be rented by low- and moderate-income households.

The remaining 160 apartments would be rented to moderate-income households, defined as those earning $15,000 to $25,000 a year.

Among low- and moderate-income households, the median net financial assets amounted to less than $1,000.

The Mayor said about 89 percent of the $2.1 billion in spending in the next four years would be devoted to low- and moderate-income households.