Join or Renew

Joining SEMPA or renewing your membership is easy with these three quick and convenient options:


Join or renew online - it's simple and quick. New members need to create an online account, renewing members simply log in using your username and password.

By Phone

Call SEMPA at 877.297.7954 - they will be able to quickly and easily take care of you over the phone.



Fill out the member application and mail it to SEMPA Customer Care Center, 224 West State St., Trenton, NJ 08608

Make sure you don't miss out on any of the great member benefits SEMPA offers by joining or renewing today!

If you choose to use the online form and can't remember your username and password or if you experience problems with the form, contact us at or call 877.297.7954 (toll-free).