Disclosed is a portable jobsite spray booth for painting, drying, finishing, routing, sanding, sawing, and processing an object and protecting the processed object. The portable jobsite spray booth includes a plurality of bases, a plurality of first connectors, a plurality of second connectors, a plurality of vertical poles, and a plurality of horizontal poles. A disposable plastic liner is used for covering five sides of the portable jobsite spray booth with one side open. The disposable 5-sided clear plastic liner provides overspray and particulate protection to and from the ceiling, floor, and three sides. The portable jobsite spray booth is provided with a ventilation attachment that accommodates air filter, ducting and blower system.