

William Koumparis, Loan Officer, NMLS # 19510...
Senior Loan Officer | NMLS # 1951011

As a licensed Loan Originator who is familiar with a variety of loan types and specialized programs, I am ready, willing and able to help you find the mortgage product that is right for you.
Whether you are looking to purchase a personal r... Show More
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Reviews from Web
Took a little longer then I expected. I was part of that problem also but I had to send paperwork twice because of the timeframe that had nothing to do with me . Overall I was pretty satisfied considering the distance we're apart. Good job....
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Reply from William Koumparis
June 4th, 2025 09:47 PM
I am glad to receive your response. How can I better improve myself to a 5-star rating experience?
William was great but it did feel as soon as someone else was involved we weren't important and would be asked to send stuff we already had. Just seems like we weren't a priority.
Reply from William Koumparis
June 4th, 2025 12:34 AM
We hope we'll have the opportunity to serve you again and deliver exceptional services.
Great company to work with! My loan officer, William, was always professional and friendly. He answered my questions and patiently helped me through the entire process.
Great company to work with! My loan officer, William, was always professional and friendly. He answered my questions and patiently helped me through the entire process.
Reply from Owner
September 30th, 2025 12:00 AM
Thank you for your wonderful feedback! We're thrilled to hear that William provided you with such professional and friendly service. Your satisfaction is our priority, and it's great to know we could assist you throughout the loan process....
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Great group of people to work with. Highly recommend‼️
Reply from Owner
September 30th, 2025 12:00 AM
Thank you for your 5-star rating! We're thrilled to hear you had a great experience. We appreciate your support and look forward to serving you again.
Thanks for being, well you... and letting us help!
Thanks!
Reply from Owner
September 30th, 2025 12:00 AM
We appreciate your positive feedback! Thank you for taking the time to share your experience.
Thanks for being, well you... and letting us help!
Great working with William Koumparis
Reply from William Koumparis
March 23rd, 2025 12:04 PM
I enjoyed working with you. Thanks for the great feedback.
Easy to reach and great communication.
Reply from William Koumparis
March 21st, 2025 10:49 AM
Helping great customers like you is why I'm in this business. Thank you so much for your business and great feedback.
William Koumparis, Loan Officer, NMLS # 1951011 - American Financial Network, Inc. has received a review with 5 star rating from Joyce H
Reply from Owner
September 30th, 2025 12:00 AM
Thank you for your 5-star rating, Joyce! We're glad to know you're satisfied with our services. We appreciate your support!
Thanks for being, well you... and letting us help!
Reena is an absolute treasure, who got us our loan on time and was just such a joy to work with!!!
Reply from Owner
September 30th, 2025 12:00 AM
Thank you for the 5-star rating, Nancy! We appreciate your support and look forward to serving you again.
Thanks for being, well you... and letting us help!
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About
As a licensed Loan Originator who is familiar with a variety of loan types and specialized programs, I am ready, willing and able to help you find the mortgage product that is right for you.
Whether you are looking to purchase a personal residence, 2nd home or investment property, or if you need to refinance an existing mortgage, I can find the product that best suits your needs and circumstance. With AFN as your mortgage lender, you have an entire team dedicated to carrying your loan from application, through processing and underwriting and over the finish line where your loan is finalized and funded.
If you have a question, we are a quick phone call or email away, and we always look forward to opportunities to communicate with you.
Products & Services
Mortgage Loan Officer
FHA Home Loan
VA Home Loan
Jumbo Home Loan
Specialities
We are a Direct Lender with delegated authority to underwrite, fund, and service Fannie Mae, Freddie Mac, FHA, USDA, VA, and Jumbo loan products in-house
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Positions
- American Financial Network - Senior Mortgage Loan OriginatorJan 11th, 2020 - Current
Addresses and Serving Areas
Primary Serving Area
Other Serving Areas
Year Started
2020
Time Zone
Pacific Standard Time (PST)
Licenses
- NMLS# 1951011
Disclaimer
American Financial Network, Inc. is an Equal Housing Lender
American Financial Network, Inc. | NMLS ID 237341
10 Pointe Drive, Suite 330, Brea, CA 92821| (714) 831-4000
©2026 All Rights Reserved
NMLS Consumer Access: http://www.nmlsconsumeraccess.org
Licensing | Privacy | Contact Us
American Financial Network, Inc. is licensed by the California Department of Financial Protection and Innovation under the California Financing Law License (6038771) and holds a CA Bureau of Real Estate, Real Estate Broker's License (01317581) under Nationwide Mortgage Licensing System (NMLS), unique identifier of 237341. Broker is performing acts for which a license is required. Loans made or arranged pursuant to California Financing Law. Refer to www.nmlsconsumeraccess.org and input NMLS #237341 to see where American Financial Network, Inc. is a licensed lender. This is not an offer for extension of credit or commitment to lend. All loans must satisfy company underwriting guidelines. Not all applicants qualify. Information and pricing are subject to change at any time and without notice. The content in this advertisement is for informational purposes only. Products not available in all areas. As prohibited by federal law, we do not engage in business practices that discriminate on the basis of race, color, religion, national origin, sex, marital status, age (provided you have the capacity to enter into a binding contract), because all or part of your income may be derived from any public assistance program, or because you have, in good faith, exercised any right under the Consumer Credit Protection Act. The federal agency that administers our compliance with these federal laws is the Federal Trade Commission, Equal Credit Opportunity, Washington, DC, 20580.