The Mason Diasio & Company Team

About Us

Real estate usually means more than just a transition of ownership. It can be an emotive process that requires a personalized approach. When you are buying or selling property with Mason Diasio & Company, you can rest assured that we take pride in delivering unrivalled service and clear communication – no real estate jargon!

Why Work with Us as Your Local Realtors

  • Experience – We know the full Atlanta and metro area in detail – even the more secluded spots that locals don’t always know about.
  • TransparencyWe are transparent in all areas including our fees, so there are never any surprises.
  • Diligence – We genuinely care about finding a home that fits you and your lifestyle, whilst being as helpful and responsive as possible.
  • Efficiency – Our properties close in good time frames because we use our knowledge and specific attraction marketing techniques to sell your property.




Your Metro Atlanta Realtor

A realtor for over 30 years, Dan has seen some amazing changes in the Metro Atlanta area. He credits his experience, attention to detail, and communication as the key to his success and loves sharing his excitement about Cobb County and the surrounding area with everyone he meets. Along with being a member of the National Association of Realtors®, Dan holds the designation of Certified Luxury Home Marketing Specialist.

When he’s not busy helping his real estate clients, you can find Dan spending time with Jennifer, his wife of 39 years or enjoying a game of tennis or golf. He says he tries to go hiking as often as he can and likes to go snow skiing at least once a year, describing the sport as awesome.



Your Greater Atlanta Realtor

As the co-partner of Mason Diasio, Angela initially started working with Dan as a part-time agent before teaming up with him to form their partnership in March of 2014. Angela describes the market they serve as diversified and says their team handles it all from the buying and selling of homes, town homes, condos, lots, and lake properties.

Angela lives in the dream home she built about four years ago. She adores her shihtzu Onyx, who she considers part of her family. She says that she enjoys cooking, cleaning, working out, decorating and designing houses, but she loves selling houses most of all.


See What Our Clients Say About Us

Incredible Team

Rated 5 out of 5
November 10, 2022

I can’t thank Dan and Angela enough for all their help and hard work on getting our dream home. We came into this not knowing much as we are first time buyers and they made it so simple and really a fun process. We had so many questions and they answered all of them immediately. They were with us every step of the way and went out of their way to send contacts for house improvements. They have the best experience out there to find you exactly what you’re looking for and the knowledge about every part of the market. I will always recommend them to anyone buying a house. Thank you so much for everything, we really couldn’t have done this without you!!

Sarah & Marty Hamilton

Personalized and Attentive Service, Every Step of the Way

Rated 5 out of 5
August 19, 2022

Angela and Dan are amazing realtors. By asking introspective questions, they helped me to define exactly what was important to me in my next home. Then throughout my home search, they provided honest insight on homes that caught my eye. They were never pushy, and always available to meet to go look at a house. When we found “THE house”, their negotiations positioned my offer well, and even though not the highest, was the easiest one for the sellers to select.

They have both provided referrals to every single type of service provider or contractor that I could imagine. And when I ask about something, are quick to respond.

It has been an extremely smooth process, and I would recommend Mason Diasio Realty to my family members and all of my friends.

Michelle Wolfe

Best Team ever

Rated 5 out of 5
March 27, 2020

As a widow who lived in a 50 year old house for 40 years, my experience with these two could not have been better. I had found pine beetles in one of the 40 extremely tall & old pine trees in my yard, with several more in a distressed state, and realized I could not sell to a family for the money I needed, so I called a builder who suggested Dan and Angela. They proved to be excellent: They helped me every inch and step of the way: legal matters with the builder buying my old house, and with the the over 55 community to which I had chosen to move, and with the new build itself. Angela was most helpful with the upgrades and color choices and Dan kept me within my budget. Without their help I might STILL be fumbling with it. They were always responsive when I called, kept me apprised of important dates, and were with me at every meeting. They are both very knowledgeable. Along the way, you begin to feel they are your good friends as well. I recommend them every chance I get. I also want to give a shout out to the builder who recommended them, Bob Sullivan. He is extremely considerate, helpful and a true gentleman. The whole experience was great….so much better than I would ever have expected.

Virginia Keeling

The best out there!

Rated 5 out of 5
February 22, 2020

We couldn’t be more thankful to have had Dan and Angela help us find our forever home. They were so patient with us, and told us what we needed to hear, not just what we wanted to hear so they could sell us a house. They made themselves so incredibly available to us and we’re willing to show us homes any chance they had. They truly invested in us and wanted the best for us and we are so happy with the home we’re in! We love them!

Jordan Curry


Rated 5 out of 5
February 20, 2020

Dan and Angela have helped us buy our home and now with selling another. They’ve made the process for each so easy and straightforward, and they go above and beyond in every way (more than we could ever ask for). They’re also incredibly patient, flexible, and have tons of expertise and knowledge of the market.

Christine Williams
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© Mason Diasio & Company Realty Group | Designed by Mass Appeal Agency

3113 Roswell Road Suite 101, Marietta, GA 30062
(770) 240-2001

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