v3.26.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 11, 2026
Jun. 30, 2025
Document and Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2025    
Document Period End Date Dec. 31, 2025    
Document Transition Report false    
Entity File Number 001-42754    
Entity Registrant Name Lake Shore Bancorp, Inc.    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 39-3058424    
Entity Address, Address Line One 31 East Fourth Street    
Entity Address, City or Town Dunkirk    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 14048    
City Area Code 716    
Local Phone Number 366-4070    
Title of 12(b) Security Common stock, par value $0.01 per share    
Trading Symbol LSBK    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 27,817,196
Entity Common Stock, Shares Outstanding   7,836,100  
Documents Incorporated by Reference

 

 

Part of 10-K

where incorporated

Portions of the registrant’s Proxy Statement for the 2026 Annual Meeting of Stockholders

III
   
Auditor Name Yount, Hyde & Barbour, P.C.    
Auditor Location Winchester, Virginia    
Auditor Firm ID 613    
Auditor Opinion

Opinion on the Financial Statements

We have audited the accompanying consolidated statements of financial condition of Lake Shore Bancorp, Inc. and its subsidiary (the Company) as of December 31, 2025 and 2024, the related consolidated statements of income, comprehensive income, stockholders’ equity, and cash flows for the years then ended, and the related notes to the consolidated financial statements (collectively, the financial statements). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and 2024, and the results of its operations and its cash flows for the years then ended, in conformity with accounting principles generally accepted in the United States of America.

    
Entity Central Index Key 0002059653