If the Senate proposal becomes law, doubled or tripled values — and tax bills — would be standard, and there would be no basis for appeal. Properties like Maple Park Place would be in instant and severe financial trouble.

FrontLine Service will operate as the lead onsite service provider, while Enterprise Community Partners and A Place 4 Me will serve as convening partners for the collaborative initiative.

Of the $99.4 million budgeted for five years, about $40 million is expected to be distributed in loans and $40 million is to be spent as grants, said Mark McDermott of Enterprise Community Partners. The balance would cover the program’s administrative costs and some initial landlord costs, such as for lead testing.