Senior Citizen Center. The Metuchen Senior Center is a drop-in facility for citizens aged 60 and over. A full range of services is offered, including recreation, information and referral, health screening, counseling and shuttle services. The Center is open Monday through Friday from 9:00am to 3:00pm. Metuchen Residents may join for Free, and Non-Residents may join with a $60 yearly membership fee.