JB Associates dba Chelsea Gardens Share: Health CareNursing Homes JB Associates dba Chelsea Gardens Visit Website 4422 Riverstone Blvd. Missouri City, TX 77459 (281) 499-5040 About Map About Skilled nursing, Long Term Care facility. Licensed by the State of Texas and authorized to participate in Medicare and Medicaid programs. What's Nearby? Distance: 5 10 15 20 25 50 mi.