7,143 real estate agents in Maricopa County

Found Theresa Mattern through a google search of top realtors in the area. Selected her from the first and impressive phone discussion. She was very outspoken and thorough in explaining every step in the home buying process. Her negotiating prowess and market knowledge were clearly displayed while actively reaching out to loan, title, inspection, and services agents to get the latest updates, which kept the specified milestones and closing dates on track. Always had quick response and easy to communicate with when had any questions relating to the home buying process. She is a Highly Recommended professional if buying or selling a home. Only one word can describe her...Awesome!

Working with Theresa was an amazing experience from start to finish. She was always on my side, had excellent communication, and was available whenever I wanted to go look at a property. She took the time to walk me through every step of the home-buying process and made sure I understood what to expect along the way. What I appreciated most was how knowledgeable she was about every home we toured. She honestly pointed out both the pros and the cons of each property, never making me feel pressured. Instead, she gave me the information I needed to make informed decisions and ultimately helped my family find the home that was the best fit for us. Theresa truly cares about her clients and goes above and beyond to make the experience as smooth and stress-free as possible. She is my go-to Realtor, and I 100% recommend her to anyone buying a home—whether you’re a first-time homebuyer or you’ve purchased homes before. You won’t find a better advocate to have on your side!

Always answer the phone and would follow up on every detail.

I couldn’t have asked for a better experience selling my first home. From start to finish, Mary was incredibly communicative and kept me informed every step of the way. As a first-time seller, I had a lot of questions, and she always took the time to explain things clearly and thoroughly. She went above and beyond with open houses, marketing, and making sure all the details of my home were highlighted. Thanks to her hard work, my house sold within a week — even in a tough market! Beyond her professionalism, she is genuinely personable, kind, and always on the ball. I felt completely at ease knowing everything was in her hands. I would absolutely recommend Mary to anyone looking to buy or sell a home.

We LOVED Mary! We relocated to Phoenix from Indiana and were unfamiliar with the area. Mary took time to make sure we were in a neighborhood and a house that suited our family! She was very kind to work with, always taking our feedback into consideration and taking a lot of time to talk us through the home buying process in AZ. In the end we ended up with a house we love, in an amazing neighborhood, with a quickly and easy closing process! 10/10 recommend!

I was referred to Mary from a friend in my hometown. I honestly didn't think buying a home would be possible. Mary brought hope from the first time we talked and remained helpful and positive the whole way. I am so grateful she was referred to me. She shared my excitement and calmed my anxieties. Very grateful.