

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
Such an easy process. We were kept up to date with everything. Would do it again in a second.
Reply from Owner
September 30th, 2025 12:00 AM
Thank you for your wonderful review, Merle! We're thrilled to hear that the process was easy and that you felt informed every step of the way. We look forward to assisting you again in the future!Thanks for being, well you... and letting us...
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The nature of my loan was particularly complex due to legal bureaucracy and challenges from opposing counsel. The processing of the loan extended over more than a year because of these legal issues. Throughout this extended process, Jared and...
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The nature of my loan was particularly complex due to legal bureaucracy and challenges from opposing counsel. The processing of the loan extended over more than a year because of these legal issues. Throughout this extended process, Jared and...
read more
Reply from Owner
September 30th, 2025 12:00 AM
Thank you for your detailed review, CB! We're glad to hear that Jared and his team were able to provide you with the support and patience you needed throughout the complex process. Your trust means a lot to us, and we look forward to assisting...
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He worked very hard for us any hour of the day, not leaving any option unexplored. Wonderful effort and always pleasant and especially patient with us. He made the minefield of financing a home easy to maneuver explaining all details in terms...
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Reply from William Koumparis
December 30th, 2024 06:19 PM
It was great working with you. Thanks again for putting your trust in us.
Excellent customer service!
Reply from William Koumparis
December 9th, 2024 05:32 PM
Thank you for the 5-Star review. If you need anything, feel free to give us a call.
William Koumparis, Loan Officer, NMLS # 1951011 - American Financial Network, Inc. has received a review with 5 star rating from Jesse E
Reply from Owner
September 30th, 2025 12:00 AM
Thank you for the 5-star rating, Jesse! We appreciate your support and look forward to serving you again.
Thanks for being, well you... and letting us help!
William Koumparis, Loan Officer, NMLS # 1951011 - American Financial Network, Inc. has received a review with 5 star rating from Aries B
Reply from Owner
September 30th, 2025 12:00 AM
Thank you for the 5-star rating, Aries Beauty! We're delighted to know you had a great experience with us. We appreciate your support!
Thanks for being, well you... and letting us help!
A Great AFN Financing Team.And hats off to them for a wonderful home buying experience,with a twenty day purchase closing.( despite the chaos in todays market )The AFN Team worked quickly to provide the funding necessary for my wife and I to...
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Personal Communication, maybe just 1 phone call would have been nice.
Reply from William Koumparis
November 29th, 2024 04:23 PM
I am glad to receive your response. How can I better improve myself to a 5-star rating experience?
A Great AFN Financing Team.And hats off to them for a wonderful home buying experience,with a twenty day purchase closing.( despite the chaos in todays market )The AFN Team worked quickly to provide the funding necessary for my wife and I to...
read more
Reply from Owner
September 30th, 2025 12:00 AM
Thank you for your detailed feedback, Robert! We're delighted to know that our team was able to provide you with an efficient and attentive service during such an important milestone. Your satisfaction and willingness to refer us to others...
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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.