

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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As first-time homebuyers, we truly appreciated how communicative John was about the process, answered any (and all!) questions we had, and did so quickly so we could keep the process moving. We don't believe our home-buying process would have...
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Reply from Owner
January 9th, 2026 09:37 AM
Awesome! We're really happy to hear everything went smoothly. Sending a BIG CONGRATS on your first home, Sara!
Antonio was amazing in helping us with our loan, he was always available for any questions we had and did a great job in ensuring he made it happen. Could not recommend him enough and will be telling all our friends about him. Thank you so...
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Antonio was amazing and made the whole experience as easy as possible. I would recommend Antonio to everyone.
John and his team are exceptional. He is always timely to respond to questions, does a great job explaining what to expect, and was ahead of schedule for every single deadline. He’s the lender you want in your corner and I’ll continue to refer...
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Reply from Owner
January 9th, 2026 09:37 AM
Great to hear, Amanda! We humbly agree, John is awesome 😄
Thanks so much for trusting MasonMac will take care of your clients. We appreciate you!
She gave great advice and very understanding it was an overall great experience working with her
Great experience. Amber Hutton makes the process easy for first-time home buyers by bringing a teacher's heart and reliable communication to the equation. I can't recommend highly enough!
Reply from Owner
January 9th, 2026 09:37 AM
Great news Brendan! We humbly agree, Amber is awesome! Congrats and all the best to you : )
I received clear and timely communication all along the way. My broker thought ahead, preparing me and my file, setting it all up for success. This was a simultaneous close which can be tricky. We were ready to close considerably sooner than...
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Reply from Owner
January 9th, 2026 09:37 AM
Awesome news and great to hear! Thanks so much for taking the time to leave a review and glad everything worked out so well. Congrats!
Everyone was extremely helpful and worked quickly to get us our loan.
Good communication and helped explore creative options
Just a bit more communication during the process. I would not say it was only ok, service was between ok and excellent. We are satisfied.
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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.