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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Doug Ray
Doug was very educative, intelligent with the numbers and very patient with us. He is a thorough professional and did well to make us happy.
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Don Bartolomucci
Don is both personal and professional went out of his way to make me confident that my transaction was going smoothly, even though I was out of my comfort zone.
Carol & Steve Pederson
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Jane Doe
Excellent service and communication from beginning to end!
Reply from Owner
January 9th, 2026 09:37 AM
Great to hear. Thanks, Debbie! 😄
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Jane Doe
Quick communication, worked with me to reduce closing date, no negatives.
Reply from Owner
January 9th, 2026 09:37 AM
Awesome. Thanks for choosing MasonMac, Josh!
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Doug Ray
We have been working with Doug and Christine for years. They have always been so helpful, knowledgeable and professional.
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Home Office
The Cousins brothers were recommended to me by Wits Realty and getting a mortgage as a first time home buyer couldn't have been smoother. Jamin was more than willing to answer any and all questions I had and made sure to explain everything...
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Jane Doe
The Cousins brothers were recommended to me by Wits Realty and getting a mortgage as a first time home buyer couldn't have been smoother. Jamin was more than willing to answer any and all questions I had and made sure to explain everything...
read more
Reply from Owner
January 9th, 2026 09:37 AM
Awesome! We humbly agree, Jamin, Nathan and team are amazing. We're so glad to hear you had a great experience. Thanks for your kind words and for choosing MasonMac! Sending a BIG CONGRATS on your new home!! : )
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Ken Seaver
I enjoyed working with Ken and Sonny, they made the process very simple and went over and beyond to ensure the closing went smoothly
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Gina Proctor
Great communication and we were helped every step of the way for our home buying experience. We appreciate everything she did for us.
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Steve Kent
Steve Kent
1241–1250 of 4429
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.