Ber Grogan, Executive Director at the Simon Communities of Ireland, said the budget doesn't effectively address the problem.
Just two properties were available to rent with the Housing Assistance Payment in Kildare last month.
The Simon Communities latest Locked Out report shows a single home was on offer on Daft.ie in Dublin City.
It says thousands will continue to experience the trauma of homelessness unless developers and landlords are obliged to offer social and affordable housing.
Ber Grogan, Executive Director at the Simon Communities of Ireland, says the budget doesn't effectively address the problem.

€1.2m Approved For Zipline And High Ropes Adventure Centre At Donadea
Fury After Sallins Sunshine Club Misses Out On Funding As Other Counties Get Millions
Christmas Appeal To Adopt Dogs As Euthanasia Figures Rise
Speed Enforcement To Increase In Kildare With 21 New Camera Zones To Be Rolled Out In January
Over 400 Motorists Caught Speeding So Far Today, Including A Driver In Kilcock
Transport Minister In Discussions With Irish Rail About Extending Late-Night Trains Beyond Christmas
Bus Shelters Treated As Luxury Rather Than Standard, With 500 Kildare Bus Stops In Need Of Upgrades
Recruitment Announcements Don’t Add Up As Garda Numbers Stagnant In Kildare South, Says Local TD