2908 Trema Ave. Winter Haven FL. 33881 Polk County Neighborhood Stabilization Program $20000 or more in down payment assistance available! INCOME GUIDELINES APPLY. Go to polknsphomes.com for more information. Through NSP, homebuyers can take advantage of reduced purchase prices and down-payment assistance! Benefits of an NSP Home * Houses are affordable and move-in ready * Professional interior design * Energy Star appliances * Insulated for energy efficiency * Florida Friendly landscaping .