

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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Reviews from Web
Jennifer was very responsive and supportive. All questions got answered and she went above and beyond to make sure we knew what we were doing.
Reply from Jennifer Patrick
July 1st, 2026 03:09 PM
I enjoyed working with you on your home purchase and I am excited your family has a great new home. Congratulations again!
Jennifer made it easy for us, she always kept us informed and was in touch all the way through the process. Would highly recommend to anyone.
Reply from Jennifer Patrick
June 30th, 2026 02:39 PM
Thank you, Barbara! It was a pleasure working with you and your husband. Congratulations on your beautiful new home.
As always we enjoyed a very smooth closing and quick funding
Reply from Jennifer Patrick
June 30th, 2026 02:40 PM
Always a pleasure working with you!
Just awesome service and comms!
Reply from Katerina Stephens
July 11th, 2026 01:53 AM
Hi Connie, I hope you are enjoying your new home! Our team is super grateful for your kind words! Happy to hear you found our service and communication to be awesome. If you ever need anything , feel free to reach out. :)
All communication was fast and efficient - the loan process could not have gone smoother
Reply from Charles Sterni
June 17th, 2026 04:29 PM
Thank you William, it was my pleasure to help you in the home buy experience
We had an outstanding experience working with Charles Sterni throughout our home-buying journey. What makes it even more remarkable is that we weren't even planning to move. After casually visiting an open house, we decided to explore the possibility,...
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Reply from Charles Sterni
June 17th, 2026 04:31 PM
Thank you Susan, it was an absolute pleasure to help you both!
I've used the M2 team for 5 homes and many refis it's awesome
Reply from Katerina Stephens
July 11th, 2026 01:48 AM
Craig, I'm grateful for your continued trust in our Mason Mac team. We are always happy to assist you and Connie with your home loan needs, and we pleased to hear that you always had such positive experiences with us! :)
Jen made the mortgage process so easy. She was wonderful to deal with every step of the way. Thank you!
Reply from Jennifer Patrick
June 12th, 2026 02:18 PM
It was an absolute pleasure working with you and your wife. Feel free to reach out anytime with future needs. Always happy to help.
Katerina goes above and beyond and is extremely helpful and patien.
Reply from Katerina Stephens
July 11th, 2026 01:40 AM
Hi Holly, I hope you are enjoying your new home! I really appreciate your kind words! I'm glad to have been able to assist you and Tracy and provide great experience. If there's anything more I can do for you, please feel free to reach out....
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Katerina was amazing at communicating with us throughout the entire loan process whether there she gets any updates or not. Being a first time homebuyer, there were a lot of documents that we didn’t fully understand, and knowing that, she always...
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Reply from Katerina Stephens
June 9th, 2026 12:47 AM
Nancy, I truly appreciate your kind words and am so glad to hear that the communication met your expectations throughout the loan process. It was great helping you and was super important to me to ensure you and Kenny felt supported and informed,...
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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.