Hawthhorne Ave, Uniondale, NY Posted on May 21, 2018 by kashwaynecampbell 0 Flares Filament.io 0 Flares × Hawthhorne Ave, Uniondale, NY For Sale Description Photos Maps & Local Schools Print Brochure My Reviews Follow This Property! Uniondale Homes For Sale Free Home Values Search All Homes For Sale Homes Close to Where You Work Presented By: Kash-Wayne Campbell Fave Realty 516-519-8049 Schedule a Showing/Request Info $ Click for current price Rare Residential Vacant Land 40 X100.