Co op down payment assistant programs?

If the co-op requires 20% cash down, It is highly unlikely that they would approve an application where half of the down payment is financed. The utilized line of credit also changes your debt to income ratio, which may also be unacceptable to a co-op board. Additionally, a bank may be reluctant to loan what is effectively 90% financing, particularly on a co-op where they are not first in line for recovery in case of default, unless the loan is secured by significant other assets

No co-op board will allow financing on a down payment.

Buy a condo. You can rent it out if you want, and no co-op boards to deal with. You can get 90% financing without paying mortgage insurance . If it appreciates in value , you can take out a line of credit . After you buy a co-op, any additional financing you want needs board approval.

A Co-Op Board will decline an application if it looks as if there's extra borrowing on top of a mortgage

Also not too many lenders will do a HELOC on a coop