CENTURY 21 Koullas Realty

Building Relationships in Real Estate

Serving Auburn-Opelika & Lake Martin Areas


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Our team of REALTORS has a combined history of over 100+ years experience in the real estate industry in our market area and around the Southeast. We handle residential, commercial and property management for our clients and customers. We understand that real estate is one of the largest and most important  investments made. It is a very personal and sometimes emotional experience. Our agents are here to guide you through the process and make your needs, interests and objectives top priority. Whether you are buying or selling, or investing in multiple properties for a portfolio, every detail of the transaction is important and our agents are here to help. CENTURY 21 Koullas Realty proudly serves both Auburn-Opelika and Lake Martin Areas.



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Our Agents

Meet the CENTURY 21 Koullas Realty Team

Customer Testimonial

Don Duffield

Buyer Rating:

Don was absolutely wonderful--He was honest and helpful. He truly helped us find the perfect home to fit our needs and personalities,,,I think he knew more of what we wanted in a home than we did ourselves! We were also really impressed with his quick responses to e-mails, phone calls and texts--he made sure we were confident in the process and gave advice and help whenever we needed it. Buying a home can be a stressful ordeal but Don did whatever he could to make our home buying process as smooth and stress free as possible. - Amanda Martin, Auburn Al May 2015

Don Duffield

Buyer Rating:

Don Duffield was, by far, the best realtor that I have ever used. My circumstances surrounding my move to the area were overwhelming! Don understood my pain and anxiety. He coached and directed me through the entire process. I will highly recommend him to my friends and family. - Ann Garner - Auburn, Ala April 2015

A Winning Team

Buyer Rating:

Janet was such a genuine person. She was so warm and funny, I really felt like I was spending my Saturday afternoons with a friend that I had known for many years. She was always up front and honest with us and we really appreciated her. - Susan And Jonathan Wagne April 2015

Jim Graham

Buyer Rating:

As somebody who also works in sales, I had high expectations for a realtor being that it was my first home purchase. Jim Graham not only met those expectations, but went above and beyond to make sure my experience was top notch. He listened to what I wanted, and didn't try to sell me something I didn't need. I can't imagine somebody making the process any easier or more exciting. Thanks to Jim, I'm loving my new house! - Taylor Curry, Auburn October 2015

A Winning Team

Buyer Rating:

Just an overall great and thorough experience. We look forward to recommending our friends as that is the greatest testimonial that we can give. - Robby Hayes January 2015

A Winning Team

Buyer Rating:

Janet hill and her husband Larry wee very helpful to us and worked with our timetable as we were coming in from out of town. They are both extremely knowledgable about the town. I valued and trusted their opinions. - Marie Yelvington, Alphar March 2015

Don Duffield

Buyer Rating:

Don was very professional and went the extra mile to help me find my new home, I will recommend him to anyone looking for a new home and will contact him again if I need his services.

I can't say enough good things about Don. He was there anytime I need to talk and he answered all calls/emails in a timely matter. Again, I will call on him if I need his services.

i couldn't pick a better broker/agent than Don. I am glad I met him at on of his listings. - Rebecca Smith June 2015

* After the client and agent affiliated with CENTURY 21® Real Estate complete a transaction, the client may be asked to provide feedback to help the CENTURY 21 System and sales professionals continuously improve. The affiliated agent's Overall Rating is an average of all ratings the agent has received. The specific survey responses shown were selected by the agent and were authorized by the client for display purposes.

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Service Areas

CENTURY 21 Koullas Realty proudly serves the Auburn-Opelika area as well as Lake Martin and surrounding areas. So, whether you are are looking for a single family home, college/gameday housing, luxurious lake home for vacation or retirement use, even commercial space for your business, we have experienced, qualified agents ready to assist you with all of your housing and/or business needs.


Auburn Regional Office

890 N Dean Rd, Suite 300, Auburn AL 36830

Auburn, AL

Take a closer look

Closest Airport
Closest College
Closest Major Sports Team
Closest Junior College

Demographic Data | Auburn, AL

Median Age: 21.7
Married: 28%
Households: 24,951


Population by Sex
30,063 Male
29,918 Female

Occupancy Types
2,667 Vacant
11,511 Owned
13,440 Rented


White/Blue Collar Jobs
32% White Collar
68% Blue Collar

Transportation to Work
92% Drive
1% Public Transportation
5% Walk/Bike/Other
2% Work from Home