Bank/CU Name: Dedham Institution for Savings Charter Number: 23620
Charter Type: Savings Bank – Mutual Holding Company Main Office: 55 Elm Street , Dedham, MA 02026-9107 Phone: 781-329-6700
Charter Date: 3/19/1831 Federal Regulator: FDIC Fax: 781-320-4894

Activity Date Activity Type Description
11/30/2023 Acquisition of BHC by BHC 1831 Bancorp, MHC (MHC) and 1831 Bancorp, Inc. (Bancorp), Dedham - permission to each become a bank holding company through the direct and indirect acquisition of South Shore Bank, Weymouth. MHC and Bancorp are the mutual holding company and mid-tier holding company, respectively, of Dedham Institution for Savings, Dedham. The transaction will be effected through a merger of MHC with South Shore Bank’s mutual holding company, South Shore Bancorp, MHC and the merger of Bancorp with South Shore Bank’s mid-tier holding company, South Shore Bancorp, Inc. Upon consummation of the transaction, MHC and Bancorp would be the mutual holding company and mid-tier holding company for both Dedham Institution for Savings and South Shore Bank - approved November 20, 2023.
10/31/2023 Acquisition of BHC by BHC 1831 Bancorp, MHC (MHC) and 1831 Bancorp, Inc. (Bancorp), Dedham - permission to each become a bank holding company through the direct and indirect acquisition of South Shore Bank, Weymouth. MHC and Bancorp are the mutual holding company and mid-tier holding company, respectively, of Dedham Institution for Savings, Dedham. The transaction will be effected through a merger of MHC with South Shore Bank’s mutual holding company, South Shore Bancorp, MHC and the merger of Bancorp with South Shore Bank’s mid-tier holding company, South Shore Bancorp, Inc. Upon consummation of the transaction, MHC and Bancorp would be the mutual holding company and mid-tier holding company for both Dedham Institution for Savings and South Shore Bank. Comment period ended August 7, 2023.
9/30/2023 Acquisition of BHC by BHC 1831 Bancorp, MHC (MHC) and 1831 Bancorp, Inc. (Bancorp), Dedham - permission to each become a bank holding company through the direct and indirect acquisition of South Shore Bank, Weymouth. MHC and Bancorp are the mutual holding company and mid-tier holding company, respectively, of Dedham Institution for Savings, Dedham. The transaction will be effected through a merger of MHC with South Shore Bank’s mutual holding company, South Shore Bancorp, MHC and the merger of Bancorp with South Shore Bank’s mid-tier holding company, South Shore Bancorp, Inc. Upon consummation of the transaction, MHC and Bancorp would be the mutual holding company and mid-tier holding company for both Dedham Institution for Savings and South Shore Bank. Comment period ended August 7, 2023.
8/31/2023 Acquisition of BHC by BHC 1831 Bancorp, MHC (MHC) and 1831 Bancorp, Inc. (Bancorp), Dedham - permission to each become a bank holding company through the direct and indirect acquisition of South Shore Bank, Weymouth. MHC and Bancorp are the mutual holding company and mid-tier holding company, respectively, of Dedham Institution for Savings, Dedham. The transaction will be effected through a merger of MHC with South Shore Bank’s mutual holding company, South Shore Bancorp, MHC and the merger of Bancorp with South Shore Bank’s mid-tier holding company, South Shore Bancorp, Inc. Upon consummation of the transaction, MHC and Bancorp would be the mutual holding company and mid-tier holding company for both Dedham Institution for Savings and South Shore Bank. Comment period ended August 7, 2023.
7/31/2023 Acquisition of BHC by BHC 1831 Bancorp, MHC (MHC) and 1831 Bancorp, Inc. (Bancorp), Dedham - permission to each become a bank holding company through the direct and indirect acquisition of South Shore Bank, Weymouth. MHC and Bancorp are the mutual holding company and mid-tier holding company, respectively, of Dedham Institution for Savings, Dedham. The transaction will be effected through a merger of MHC with South Shore Bank’s mutual holding company, South Shore Bancorp, MHC and the merger of Bancorp with South Shore Bank’s mid-tier holding company, South Shore Bancorp, Inc. Upon consummation of the transaction, MHC and Bancorp would be the mutual holding company and mid-tier holding company for both Dedham Institution for Savings and South Shore Bank. Comment period ends August 7, 2023.
6/30/2023 Public Hearing Virtual Public Hearing Tuesday, August 1, 2023 10:30 a.m. 1831 Bancorp, MHC (MHC) and 1831 Bancorp, Inc. (Bancorp), Dedham - permission to each become a bank holding company through the direct and indirect acquisition of South Shore Bank, Weymouth. MHC and Bancorp are the mutual holding company and mid-tier holding company, respectively, of Dedham Institution for Savings, Dedham. The transaction will be effected through a merger of MHC with South Shore Bank’s mutual holding company, South Shore Bancorp, MHC and the merger of Bancorp with South Shore Bank’s mid-tier holding company, South Shore Bancorp, Inc. Upon consummation of the transaction, MHC and Bancorp would be the mutual holding company and mid-tier holding company for both Dedham Institution for Savings and South Shore Bank. Comment period ends August 7, 2023. The hearing notice has been posted on the Division’s website. An updated link providing additional information regarding the hearing will be posted by Monday, July 31, 2023 by noon, and will be available at www.mass.gov/dob.
5/31/2023 Acquisition of BHC by BHC 1831 Bancorp, MHC (MHC) and 1831 Bancorp, Inc. (Bancorp), Dedham - permission to each become a bank holding company through the direct and indirect acquisition of South Shore Bank, Weymouth. MHC and Bancorp are the mutual holding company and mid-tier holding company, respectively, of Dedham Institution for Savings, Dedham. The transaction will be effected through a merger of MHC with South Shore Bank’s mutual holding company, South Shore Bancorp, MHC and the merger of Bancorp with South Shore Bank’s mid-tier holding company, South Shore Bancorp, Inc. Upon consummation of the transaction, MHC and Bancorp would be the mutual holding company and mid-tier holding company for both Dedham Institution for Savings and South Shore Bank. A virtual hearing on this petition is being scheduled before the Board in July 2023. Additional information regarding this hearing will be posted to the Division of Banks website at www.mass.gov/dob.
12/29/2017 Reorganization into Mutual Holding Company (MHC) Dedham Institution for Savings, Dedham - permission to reorganize into a mutual holding company, 1831 Bancorp, MHC with a mid-tier holding company, 1831 Bancorp, Inc., in a multi-step transaction - approved December 20, 2017.
11/30/2017 Reorganization into Mutual Holding Company (MHC) Dedham Institution for Savings, Dedham - permission to reorganize into a mutual holding company, 1831 Bancorp, MHC with a mid-tier holding company, 1831 Bancorp, Inc., in a multi-step transaction. Comment period ended November 21, 2017.
10/31/2017 Reorganization into Mutual Holding Company (MHC) Dedham Institution for Savings, Dedham - permission to reorganize into a mutual holding company, 1831 Bancorp, MHC with a mid-tier holding company, 1831 Bancorp, Inc., in a multi-step transaction. Comment period ends November 21, 2017.
9/29/2017 Reorganization into Mutual Holding Company (MHC) Dedham Institution for Savings, Dedham - permission to reorganize into a mutual holding company, 1831 Bancorp, MHC with a mid-tier holding company, 1831 Bancorp, Inc., in a multi-step transaction. Comment period ends November 21, 2017.
9/30/2015 Establish Branch Dedham Institution for Savings, Dedham - notice to establish a branch office at 636 East Broadway, South Boston - non-objection issued September 18, 2015.
8/31/2015 Establish Branch Dedham Institution for Savings, Dedham - notice to establish a branch office at 636 East Broadway, South Boston. Filed August 20, 2015.
11/28/2014 Establish Branch Dedham Institution for Savings, Dedham - notice to establish a branch office at Carleton-Willard Village, 100 Old Billerica Road, Bedford - non-objection issued November 6, 2014.
10/31/2014 Establish Branch Dedham Institution for Savings, Dedham - notice to establish a branch office at Carleton-Willard Village, 100 Old Billerica Road, Bedford. Filed October 8, 2014.
4/30/2009 Establish Branch Dedham Institution for Savings, Dedham - notice to establish a branch office at 45 West Street, Dedham - non-objection issued April 3, 2009.
3/31/2009 Establish Branch Dedham Institution for Savings, Dedham - notice to establish a branch office at 45 West Street, Dedham - filed March 19, 2009.
6/29/2007 Relocate Branch Office Dedham Institution for Savings, Dedham - permission to relocate a branch office from 601 High Street, Dedham to 420 Washington Street, Dedham - approved June 21, 2007.
5/31/2007 Relocate Branch Office Dedham Institution for Savings, Dedham - permission to relocate a branch office from 601 High Street, Dedham to 420 Washington Street, Dedham. Comment period ends June 14, 2007.
6/28/2002 Establish Branch Dedham Institution for Savings, Dedham - permission to establish a branch office at 1077 Great Plain Avenue, Needham - approved June 24, 2002.
5/31/2002 Establish Branch Dedham Institution for Savings, Dedham - permission to establish a branch office at 1077 Great Plain Avenue, Needham. Comment period ends June 19, 2002.
3/29/2002 Application to Sell Insurance Application to Sell Insurance - approved March 22, 2002
2/28/2002 Application to Sell Insurance Application to Sell Insurance - pending
1/31/2002 Application to Sell Insurance Application to Sell Insurance - pending