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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Roseanna Diaz
Roseanna is very professional, friendly, and knows what she is doing! She is great to work with. She is very accessible and answers questions very quickly. She makes the process seamless. Thanks Roseanna!
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Steve Kent
Steve was transparent and made the process easy. He was on top of all communication and replied in a timely manner. Steve answered any questions and explained information well. I would do business with Steve again!
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Steve Kent
Steve was fantastic. We felt comfortable working with him and appreciated his experience and how reliable he is.
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Jennifer Patrick
Level of communication and quality of advice was good.
Reply from Jennifer Patrick
September 27th, 2023 03:14 AM
Honored to help with your first home purchase. Congratulations again on your beautiful new home.
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Doug Ray
Doug was very helpful and attentive in helping my wife and I work through the process of pre approval, helping us work through pricing as we began selecting homes, and during the loan application and approval process. He took extra time at...
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Doug Ray
Doug is amazing! He was extremely informative and taught us so much during this process. His numbers were pretty spot on, and he was in constant communication. Buying our first home was less stressful than I anticipated thanks to Doug.
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Michael Colyer
Mike is amazing! He communicates really well and made sure we had all our documents ready to go. Checked in with us to make sure everything was going smoothly. Wonderful to work with!
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Steve Kent
Steve made the whole process easy
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Home Office
Jamie O'brien is an absolute pleasure to work with. She lays out all the options and explains the process every step of the way. She worked tirelessly for us and had helped us with not only this refinance but our original purchase as well....
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Jane Doe
Jamie O'brien is an absolute pleasure to work with. She lays out all the options and explains the process every step of the way. She worked tirelessly for us and had helped us with not only this refinance but our original purchase as well....
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Reply from Owner
January 9th, 2026 09:37 AM
Great news Leah! Thanks so much for Jamie’s awesome review and for choosing MasonMac. 😄
1261–1270 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.