Social stability and community-building among welfare and poor working families require a range of tenant incomes.

The project testifies once again to the remarkable ability of Manhattan locations to promote economic integration, since the span of tenant incomes in these 80-20 buildings is striking.

The advocates also say that regulators need to balance factors like limited tenant incomes and the housing shortage.

The buildings must support themselves with tenant rental income.

The Federal tax credit goes only to developments whose average tenant income is very low, no more than 60 percent of the city's median income of $20,280 for a family of four.

Newcomers will be voting without having heard testimony and staff reports about landlord costs and profitability, housing availability, rent levels and tenant income.

Timothy Collins, executive director of the board, said statistics showed that while tenant income had declined, rent collections had increased slightly, and landlords' expenses had not risen markedly.

With building conversions no longer a viable option, now more than ever the buildings must support themselves with tenant rental income.

Other sources of tenant income are General Assistance from the state and Social Security.

River Park has all the major regulatory permits needed to start construction, and already has some tenant income.