Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v3.8.0.1
Document And Entity Information - shares
9 Months Ended
Sep. 30, 2017
Nov. 13, 2017
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q3  
Entity Registrant Name Sachem Capital Corp.  
Entity Central Index Key 0001682220  
Current Fiscal Year End Date --12-31  
Entity Filer Category Smaller Reporting Company  
Trading Symbol SACH  
Entity Common Stock, Shares Outstanding   15,415,737