Bank
1st Security Bank
1st Security Bank is a community bank headquartered in Mountlake Terrace, Washington, serving customers in Washington and Oregon with personal, business, and home lending services including checking, savings, mortgages, and commercial loans.
Key Statistics
As of December 2025, public records show 1st Security Bank has originated approximately $689.6M in loan volume over the past 12 months, with an average loan size of $517k.
Volume (12mo)
$689.6M
Avg Loan Size
$517k
Total Mortgages
4,028
Total Borrowers
140
Lending Entities
1st Security Bank funds loans through the following entities. These are the legal entities that appear on recorded mortgage documents.
2,963 mortgages recorded
1,065 mortgages recorded
Geography
1st Security Bank's lending activity is concentrated in the following states, based on recorded mortgage data from the past 12 months.
Mortgages (12mo): 1,027
Volume (12mo): $562.7M
Total Volume: $1.7B
Mortgages (12mo): 121
Volume (12mo): $70.9M
Total Volume: $222.0M
Mortgages (12mo): 31
Volume (12mo): $50.0M
Total Volume: $97.3M
Top Borrowers
The following individuals have the most recorded mortgage transactions with 1st Security Bank. Click on a borrower to view their full investor profile.
+137 more not shown
FAQ
What type of lender is 1st Security Bank?
1st Security 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 (5%) and personal loans in their portfolio.
What entities does 1st Security Bank fund loans under?
1st Security Bank originates mortgages through 2 different lending entities. The most common include 1st Security Bankwashington and 1st Security Bank Of Washingto. These are the legal entity names that appear on recorded mortgage documents.
Where is 1st Security Bank most active?
Based on recorded mortgages, 1st Security Bank is most active in Washington, Oregon, and Idaho.
How many loans has 1st Security Bank originated?
Public records show 4,028 mortgages recorded for 1st Security Bank, with $689.6M in volume over the past 12 months.
What is the average loan size for 1st Security Bank?
The average mortgage size for 1st Security Bank is $517k based on all recorded mortgages.
Does 1st Security Bank offer short-term loans?
1st Security Bank primarily offers long-term financing, with only 1% 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.