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Online Banking

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Periodic Reminder: If you do not recognize a debit card transaction or suspect possible fraud, you can proactively disable your card through Online Banking 24/7/365. 
To disable your card, find Card Controls > Block Card and toggle the option on.

To report fraudulent debit card transactions during regular banking hours, call 800-939-9103.
To report fraudulent cards after hours, call 833-225-5218.

HELOC Disclosures

HELOC booklet

Massachusetts Applicant Disclosure

Important Terms of your Home Equity Line of Credit

Important Terms of your Home Equity Plus Line of Credit

Important Terms of your Investment Home Equity Line of Credit

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  • Borrow
    • Personal Lending
      • Buy or Build a Home
      • Refinance
      • Home Equity Line of Credit Products
      • Mortgage Loan Officers
      • Consumer Loans
    • Commercial Lending
      • Customer Portal
      • Commercial Business Loans
      • Commercial Real Estate
      • Commercial Lending Team
  • Community
    • Charitable Donation Policy
      • Charitable Donations
    • The Cornerstone Bank Scholarship
      • 2022 Scholarship Recipients
  • Learn
    • Financial Literacy
      • Banzai Financial Education Courses
      • Financial Literacy Program Request Form
    • Security
      • Videos
      • Safeguarding Your Information
      • What is Identity Theft?
  • About
    • Bank History
    • Meet Cornerstone Bank
      • Board of Directors
      • Corporators
      • Our Lenders
      • Customer Testimonials
    • News
    • Blog
    • Contact Us
      • Customer Service
      • Locations
      • Holiday Schedule
  • Careers
  • Calculators

800-939-9103

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Branch Hours


  • Sunday: Closed

  • Monday: 8:30 am – 4:00 pm

  • Tuesday: 8:30 am – 4:00 pm

  • Wednesday: 8:30 am – 4:00 pm

  • Thursday: 8:30 am – 6:00 pm

  • Friday: 8:30 am – 5:00 pm

  • Saturday: 8:30 am – 1:00 pm

Call Center Hours


  • Sunday: 10:00 am – 2:00 pm

  • Monday: 7:30 am – 6:00 pm

  • Tuesday: 7:30 am – 6:00 pm

  • Wednesday: 7:30 am – 6:00 pm

  • Thursday: 7:30 am – 7:00 pm

  • Friday: 7:30 am – 7:00 pm

  • Saturday: 8:30 am – 1:00 pm

© Copyright 2023 Cornerstone Bank. All rights reserved.
  • Routing Number: 211371735
  • NMLS ID #: 403295
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