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Bank

1st Source Bank

1stsource.com
100 N. Michigan Street, South Bend, IN 46601

1st Source Bank is a regional bank headquartered in South Bend, Indiana, serving northern Indiana and southwestern Michigan with a focus on community-oriented lending. As an FDIC-insured depository institution, its primary products include personal mortgages, commercial loans, and SBA financing to support individual and business growth.

Key Statistics

As of December 2025, public records show 1st Source Bank has originated approximately $874.9M in loan volume over the past 12 months, with an average loan size of $292k.

Volume (12mo)

$874.9M

Avg Loan Size

$292k

Total Mortgages

47,037

Total Borrowers

1,583

Lending Entities

1st Source Bank funds loans through the following entities. These are the legal entities that appear on recorded mortgage documents.

1st Source Bank

37,556 mortgages recorded

First Source Bank

9,259 mortgages recorded

+5 more not shown

Geography

1st Source Bank's lending activity is concentrated in the following states, based on recorded mortgage data from the past 12 months.

#1Indiana

Mortgages (12mo): 1,801

Volume (12mo): $566.0M

Total Volume: $10.7B

#2Michigan

Mortgages (12mo): 198

Volume (12mo): $66.8M

Total Volume: $1.4B

#3Florida

Mortgages (12mo): 16

Volume (12mo): $7.9M

Total Volume: $249.8M

Top Borrowers

The following individuals have the most recorded mortgage transactions with 1st Source Bank. Click on a borrower to view their full investor profile.

+1,580 more not shown

FAQ

What type of lender is 1st Source Bank?

1st Source Bank is classified as an bank based on our research. Banks are FDIC-insured depository institutions offering a range of mortgage products. They have a mix of business (7%) and personal loans in their portfolio.

What entities does 1st Source Bank fund loans under?

1st Source Bank originates mortgages through 7 different lending entities. The most common include 1st Source Bank and First Source Bank. These are the legal entity names that appear on recorded mortgage documents.

Where is 1st Source Bank most active?

Based on recorded mortgages, 1st Source Bank is most active in Indiana, Michigan, and Florida.

How many loans has 1st Source Bank originated?

Public records show 47,037 mortgages recorded for 1st Source Bank, with $874.9M in volume over the past 12 months.

What is the average loan size for 1st Source Bank?

The average mortgage size for 1st Source Bank is $292k based on all recorded mortgages.

Does 1st Source Bank offer short-term loans?

1st Source Bank primarily offers long-term financing, with only 4% of loans being short-term.

How is this data collected?

Elementix aggregates mortgage data from public county records across the United States. We use AI to normalize lender names, identify aliases, and connect borrowers to their lending relationships.