

Home Office, San Ramon, CA
San Ramon, CA

Since 1887, Mason-McDuffie Mortgage has operated under one idea: Your Financial Security Begins at Home. An employee owned company, Mason Mac works with one mission – to make the dream of home ownership a reality for our clients. We help to... Show More
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Jennifer was great about communication and helping with with next steps. She was also super understanding when I ended up busy with work and needed a few extra days to finish paperwork.
Reply from Jennifer Patrick
June 8th, 2026 01:56 AM
Congratulations on your first home Nathan! It was an absolute pleasure working with you. Feel free to reach out anytime if you have any questions or future needs.
We always are thrilled to use jennifer and know we are in good hands!
Reply from Jennifer Patrick
June 2nd, 2026 02:51 PM
Right back at you! I love working with you and your clients. Looking forward to the next one.
Christie Mitsumura is amazing! Great service, wonderful communication, creative solutions, and she goes the extra mile to make things happen! Mahalo to Christie and her team!
More Kent hands-on involvement with the underwriting team re fees/costs/escrows, etc. Every Loan Estimate sent had different numbers in the various categorie. The final LE had higher fees/costs and we didn't have a choice buy to sign it to...
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Reply from Steve Kent
May 30th, 2026 02:00 PM
It was great working with you and your wife. I appreciate the opportunity!
Katerina was available to answer any questions and was always very communicative
Reply from Katerina Stephens
May 28th, 2026 09:23 PM
Andrea, I'm grateful for your kind words about my communication and availability. It was a pleasure to be there for you and ensure all your questions were answered. If you and John ever need assistance in the future, please feel free to reach...
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Over all was a good experience. Ken was very responsive when he was working on my loans and gave good communication on what need to be done and how the process works. We were able to get my closing costs down as well.
Charles was very helpful throughout the entire process
Ken was very informative and responsive. Last minute delay in closing due to square footage issue could have been avoided.
He was informative
Katerina communicated everything I needed to know in a timely and kind manner. She was absolutely fabulous to work with. She went above and beyond her working hours to get me the loan I needed to buy my house. I would highly recommend her!
Reply from Katerina Stephens
May 28th, 2026 09:29 PM
Shelley, I'm so grateful for your kind words! It was truly appreciated to work with you and be part of your home-buying journey. I'm pleased to hear that our team efforts made a positive impact, and I appreciate your desire to recommend me...
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About
Since 1887, Mason-McDuffie Mortgage has operated under one idea: Your Financial Security Begins at Home. An employee owned company, Mason Mac works with one mission – to make the dream of home ownership a reality for our clients. We help to fulfill that dream every day from coast to coast.
Over the years, we’ve made some changes to keep up with the times. Today, we work with the latest in technology to provide an efficient loan process for our clients. We utilize the latest in encryption and security services to maintain our client’s privacy and security, without sacrificing the convenience of a digital loan process.
One thing that hasn’t changed is our focus on people and relationships.
Products & Services
Mortgage Loan Officer
FHA Home Loan
VA Home Loan
Jumbo Home Loan
Mortgage Refinance
Year Started
1887
Time Zone
Pacific Standard Time (PST)
Disclaimer
To protect your personal information from unauthorized access and use, we use security measures that comply with federal law. These measures include computer safeguards and secured files and buildings.