Apply for a TOPCU Loan


For TOPCU Members:

Apply conveniently from your online account. Login to NetTeller Online Banking here: NetTeller

For Non-TOPCU Members:

Our online loan application is currently under development for non-TOPCU members. Visit any of our branch locations and our member services team will be happy to assist you. You can also reach us by email at or by phone at (520) 881-6262 ext. 702 or toll-free at (800) 440-8328.

To Apply for a First Mortgage:

TOPCU is proud to have partnered with Centennial Lending, a credit union-owned service corporation. Centennial serves as the processor and servicer for TOPCU First Mortgage loans. And, while the online application is processed through Centennial, TOPCU is still here to help you along the way.

Click here to begin your Centennial mortgage application.


Rates may be fixed or variable and may include discounts or other promotional conditions. Rates are subject to change without notice.