

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
Charles was cery communicative, and thorough with his explanations of things i didnt understand. He was always available and had quick responses. I really appreciate the work he did for me.
I have worked with Gregg Anderson on over 100 transactions! He is super knowledgeable and fantastic to work with!
Reply from Gregg Anderson
August 4th, 2026 07:31 PM
Spencer, thank you for the kind words! It's been a pleasure working with you on so many transactions. Your trust and collaboration mean a lot to me.
Charles goes above and beyond for every client I have ever referred to him ! He guides the buyers and keeps them informed every step of the way for an informative smooth transaction. I highly recommend Charles for any of your lending needs...
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Easy to close
Reply from Jennifer Patrick
August 3rd, 2026 04:25 PM
Mitchell, I appreciate your feedback and I'm happy to hear that the closing process was easy for you. Congratulations on your lakeside home! If you have any more needs in the future, feel free to reach out.
Jennifer's communication throughout the whole process made it very welcoming and easy!
Reply from Jennifer Patrick
July 27th, 2026 04:08 PM
Thank you, Dustin. Congratulations again on your new home! It was a pleasure working with you on purchasing your first home.
Good communications
Reply from Katerina Stephens
August 12th, 2026 09:04 PM
George, It was nice working with you. I appreciate your feedback on the communication! I'm pleased to hear that you found it effective during your experience with us.
Jennifer truly went the extra mile. Although there were some hiccups in our situation, unforuntately that became frustrating, she did her best to find a solution. We so appreciate her efforts at all hours of the day. She is so very responsive...
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Reply from Jennifer Patrick
July 10th, 2026 02:27 PM
Thank you, Mary Grace! Boy did we have some hiccups. I am so glad we overcame them and you and your family are settling into your new beautiful home. Congratulations again! Feel free to reach out anytime.
Kathy is an exceptional communicator who is committed to serving the needs of her clients.
Reply from Owner
July 10th, 2026 12:00 AM
Thanks for the great review, Andrew! :)
Jennifer Patrick was absolutely phenomenal throughout my FHA 203(k) loan process. From start to finish, she went above and beyond to make what could have been a very stressful experience feel manageable.A 203(k) renovation loan has a lot of...
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Reply from Jennifer Patrick
July 6th, 2026 04:27 PM
203K loans are not for the faint of heart! We had an amazing team in your corner, and I am so happy we made it to the finish line. Your new home is going to be stunning! Congratulations again on your beautiful new home. It was a pleasure working...
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Fantastic communication and efficient timeline with all expectations not only met but surpassed.
Reply from Don Bartolomucci
July 5th, 2026 01:52 PM
Bet, your attention to detail, efficiency and speed you responded to everything is refreshing and admirable. It was a pleasure to work with you, Agsin!
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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.