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
Search Reviews
Search
Write a Review
Overall Ratings
Filter by Date
Range
Filter by Rating
Reviews from Web
They personalized the experience.
Reply from William Koumparis
June 15th, 2026 01:50 PM
I'm thankful you found the experience personalized, Sherri. It's important to me that each client feels valued and catered to. If there's anything else I can assist you with, please let me know.
William was perfect the overall process was a little extreme when it came to paperwor! definitely looking forward to using William again but hoping the paperwork process is a lit smoother now that I'm in the system
Reply from William Koumparis
May 19th, 2026 04:19 PM
I'm pleased to hear that you found my assistance helpful, Romie. I understand that the paperwork process can be overwhelming, and I appreciate your patience. I look forward to working with you again, and I'll strive to make the process smoother...
read more
Excellent Follow-up and attentiveness.
Reply from Owner
May 5th, 2026 12:01 AM
Allen, thank you for your business and for taking the time to share this review. We're glad our team's follow-up and attentiveness met your expectations and appreciate your recognition. We look forward to continuing to provide excellent service....
read more
William was very straight forward and accommodating . He was very responsive in showing us multiple options for our loan. He answered questions fully and gave good explanations.
Reply from William Koumparis
May 6th, 2026 01:31 PM
I'm glad to hear that you found my approach straightforward and accommodating, Lisa. It's good to know that the multiple options and explanations provided were helpful for you. If you have any more questions or need further assistance, please...
read more
As a homeowner going through the refinance process, I had a very positive experience working with you and your team as my lenders. Everything was handled efficiently and quickly, and I truly appreciated how accommodating you were with my specific...
read more
Reply from William Koumparis
May 4th, 2026 02:55 PM
I'm grateful for your kind words, Lorena. It's appreciated to hear that the refinance process was smooth and manageable for you. I appreciate your recognition of our efforts to accommodate your specific needs and challenges. If you have any...
read more
Great communication, additional information and explanations when I had any confusion or uncertainty. I felt like I was in good hands.
Reply from William Koumparis
April 2nd, 2026 04:14 PM
I'm pleased to hear that you valued the communication and found the additional information and explanations helpful, Sheila. It's important to me that you felt in good hands throughout the process. If you have any more questions or need further...
read more
Great service
Reply from William Koumparis
March 16th, 2026 06:10 PM
I'm pleased to know you found the service great, Von. If there's anything else you need or any questions you may have, please don't hesitate to reach out to me directly.
It took approximately 3 months to close the re-fi. There were no streamlined processes to assist along the way. An appraisal was made without giving me any notice. I had to send emails weekl to follow up and ask questions. At some point I asked...
read more
Reply from William Koumparis
March 4th, 2026 09:37 PM
We are sorry that you did not have a 5-Star experience. I would love to know your perspective and help us improve.
Ease of communication and documentation
Reply from William Koumparis
March 4th, 2026 02:21 PM
It's good to know that you found communication and documentation straightforward, Christopher. If there's anything else I can do to assist you, please feel free to contact me directly.
Fast efficient service.
Reply from William Koumparis
March 2nd, 2026 06:10 PM
I'm glad to hear that you found the service fast and efficient, Maria. If you have any further questions or need assistance, feel free to reach out to me.
10 of 168
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
Search Rank ScoreLearn More →
504
/850
Search Rank Score
What is the Search Rank Score®?
Experience.com’s Search Rank Score measures a professional’s online search visibility across hundreds of key SEO attributes.
Positions
- American Financial Network - Senior Mortgage Loan OriginatorJan 11th, 2020 - Current
Addresses and 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.