The Productive Living Board for St. Louis County Citizens with Developmental Disabilities was established in 1979 when St. Louis County voters passed a property tax levy to develop services and supports for residents with developmental disabilities. The present tax is set at 8.5¢ per $100 assessed value and generates approximately $16 million annually. Each year, the PLB contracts with over 40 different agencies that will provide services to approximately 4,500 individuals with developmental disabilities in St. Louis County.