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Find the loan to fit your life

Select from hundreds of loan products tailored to your needs

Olivia Sisomphou

Originating LOA

155 NE 100th St., Suite 400, Seattle, WA 98125
Own what matters

About Me

Thank you for taking the time to learn more about me. I was born and raised in West Seattle. I attended the University of Washington and Le Cordon Bleu. In my spare time, I enjoy cooking for friends and family. As a first generation Lao American, I also take great pride in volunteering with the Lao Community here in the Pacific Northwest.

I am committed to helping clients understand their financing options. The home loan process is extremely personal, and it is my goal to provide attention and care to your home buying experience. I look forward to providing clients with excellent customer service.


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Meet my team

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I work closely with my team of specialists to get you the financing you need. See what each member brings to the team.

Let’s find the right home loan for you

We have loan options to fit every situation, from down payment assistance programs for first-time homebuyers to government-sponsored programs for military families and rural residents or jumbo loans in high-cost markets.



A Conventional loan is a great option if you have an average to high credit score and little debt. This allows you to take advantage of lower interest rates. With these types of loans, you have the option to put 20% down, which eliminates the need for private mortgage insurance (PMI) and saves you money. If you don’t have a large down payment saved up though, don’t worry. We have Conventional loan options for down payments as low as 3%.
Down payment assistance

Down payment assistance

If you’re purchasing your first home, you have options to buy without saving a full down payment. Down payment assistance (DPA) programs can help with your down payment in the form of a loan or grant that is often forgiven over time.

All loans are subject to underwriter approval; terms and conditions may apply. Subject to change without notice.

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4.96 out of 5.0 stars
May 01, 2023

Kerwin has an excellent team that helped streamline the loan process. They were highly reliable and accessible. I will gladly choose them again.
pippi k
Jan 17, 2023

Working with Guild Mortgage was one of the best experiences. Kerwin Lyon and the Lyon team was great. They listen to our needs, fast at processing all paperwork. This has been the smoothest mortgage experience I ever experienced. They provided a mortgage that was custom to our financial need. Always answered our calls whenever we had a question. The team always informed us on where we were in the process. They made us feel like we were part of the Guild mortgage family. Thank you Kerwin and the team for providing us with Great service and getting us into our home. Sincerely, Keys family
Samantha A
Nov 13, 2022

The whole team was amazing.
Nov 20, 2022

We would like to acknowledge the exceptional service that we received during our first time home buying process. My wife and I were extremely nervous and expecting the worse since it's our first time putting in a huge investment on purchasing our very first home. But the Lyon team put everything at ease. The professionalism and knowledge of the industry was impressive and truly appreciated. The Lyon Team went above and beyond to ensure that all of our needs were met and that everything was handled throughly and efficiently. My wife and I had a wonderful experience working with Cody and Sasha. From beginning to end, they were easy to reach, informative, extremely thorough and attentive to our financial needs, thus making sure that we were getting the best deal possible. We highly recommend the Lyon's team to all of my colleague, family and friends.
Nov 05, 2022

My first time buying a home. Kerwin and his team made it flawless! I will recommend them to anyone! Thank you so much!
Nov 05, 2022

My wife and I started looking for a home but we were unsure if we could afford it and how the process worked. After doing some research we found the Home Advantage program and on the same site found Kerwin Lyon. He and his team made the home buying experience amazing. The hardest part for us was finding the right documents his team did all the heavy lifting and really made it a stress free experience. They communicated thoroughly and consistently looked out for our best interests made recommendations on better and cheaper insurance and truly made us feel like people and not just customers. We don't plan on moving for a good long while but when we purchase our next home we will definitely be reaching out to the Lyon team again!

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NMLS ID #1657256
I am authorized to do business in the states of Oregon and Washington. OR ML-176;