In accordance with updated New York State guidelines, Sunmark Credit Union will now allow fully vaccinated members the option of choosing whether to wear a mask in any Sunmark branch location. Unvaccinated members will still be required to wear a mask.

Log Into Online Banking

Forms and DIsclosures

Copies of Sunmark's account agreements, rate addendums and fee schedules, and disclosures can be requested by contacting Sunmark's Member Solution Center or by visiting any Sunmark branch.

member applications

Consumer Membership Application

Business Member Application - Sole Proprietor

Business Member Application - Legal Entity

Privacy policy

Privacy Policy

Overdraft privilege Disclosure

What Else You Should Know About Overdraft Privilege

Online Banking Forms & Disclosures

Online Banking Disclosure

Bill Pay Disclosure

Funds Transfer and Popmoney Agreement

eDeposit User Agreement