

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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Personal service and thorough research in knowing what best benefits my clients.
Shan was always keeping us up to date on what was happening with loan and helped push it through at the end
Reply from Shan Conry
August 22nd, 2023 11:54 PM
Thank you so much for the 5-star review, Michael! It was a pleasure working with you and I'm glad that I could help you on your Reverse Mortgage - enjoy your new home!
Don was top notch! Very knowledgeable and his communication was amazing. Would highly recommend him!
Reply from Don Bartolomucci
August 18th, 2023 04:07 PM
Aaron, thank you so much for your kind words about my work at Mason-McDuffie Mortgage. I strive to provide the best service possible and I'm glad you felt I met your expectations. It was a pleasure working with you!
Thank you for helping us through this process.
Joe takes pride in his craft, and his service to provide excellent service to his clients and the agents he works with. He is diligent, professional, works hard, and always provides guidance and advice with the clients best interest at heart....
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Karla is the BEST! We have had her help us multiple times with purchases and refis through the years and she is consistently GREAT to work with. Even with the conditions of the market right now and higher interest rates, this by far was one...
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Karla is the BEST! We have had her help us multiple times with purchases and refis through the years and she is consistently GREAT to work with. Even with the conditions of the market right now and higher interest rates, this by far was one...
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Reply from Owner
January 9th, 2026 09:35 AM
So great to hear, Stephanie! We humbly agree, Karla is awesome! Glad everything worked out so smoothly : )
Karla is the BEST! We have had her help us multiple times with purchases and refis through the years and she is consistently GREAT to work with. Even with the conditions of the market right now and higher interest rates, this by far was one...
read more
Jane Doe has received a review with 5 star rating from Xee V
Reply from Owner
January 9th, 2026 09:35 AM
Thanks, Xee!
Jane Doe has received a review with 5 star rating from JJSA D
Reply from Owner
January 9th, 2026 09:35 AM
Thanks! : )
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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.