Kumiko Tanaka-Rosier
REALTOR
About Me

Looking for an agent who goes above and beyond for you? Kumiko started her real estate career in October 2005. Combined with 17 years of experience as a concierge with an international airline, she has developed a strong “customer service oriented” philosophy. She has received many Quality Service Awards from CENTURY 21 for her outstanding services. Be sure to check out the testimonials to see how she works with, and for her clients.

She can assist you with the wide range of residential real estate needs; selling, buying, re-sale, new builds, land, horse properties, and multi-dwelling up to 4 plex.

In her free time, she enjoys being in the nature, and hiking with her German Shorthaired Pointer, Dex. She is also a long time Tai-Chi practitioner.

My Honors and Awards

Kumiko Tanaka-Rosier
  • Honors and Awards
  • Millon Dollar Producer 2019, 2018, 2017, 2016
  • Quality Service Pinnacle Producer 2018, 2017, 2016
  • Quality Service Producer 2015

My Designations

Kumiko Tanaka-Rosier
  • Designations
  • Cartus® Relocation SpecialistCartus
  • REALTOR®NAR
  • Certified Negotiation Expert
  • Short Sale & Foreclosure ResourceNAR

Testimonials

Kumiko is one of the best realtors I have ever worked with I highly recommend her
Review by
Sally and Rick Peverley
Kumiko Tanaka-Rosier Did an amazing job at helping us move to the area from across the country. It was a very difficult situation with living so far away and not knowing anything about the area. But she made things extremely simple and she was able to inform us on things we needed to consider when looking for a home in this area and market. We will definitely be using her in the future for any of our real estate matters, and will refer everyone we can to her. We can not thank her for her help and service enough, she did an amazing job and went above and beyond the entire time.
Review by
Braxston and Kailei, Maricopa
I heard about Kumiko from my Father. He was very pleased with the service she provided and how on top of everything she was for him. I am so glad I took his advice and went with Kumiko. Kumiko didn't forget a single detail, not even a minor one, during the entire process. She stuck with us over the past 3 months and was responsive at almost all hours of the day. She was quick to learn our needs even as our expectations on the type of home we wanted changed a bit. She is very on top of what is happening in the local real estate market. This was an exemplary experience. Kumiko made what would otherwise be a tedious and annoying experience an overwhelmingly joyful experience. Kumiko went above and beyond, I will definitely recommend her to anyone moving to the Phoenix area in the future.
Review by
Ryan Gipson
Kumiko possesses a calm "can do " attitude that is seldom witnessed today. I would call Kumiko again and again for my r eal estate needs. Anybody I know of having need of a realtor , I refer them to Kumiko. For me & my husband, there is no other. Kumiko listened so well during the search, that she remembered things I had mentioned during conversations and she negotiated for details that I was not aware of until after I accepted & signed the paperwork. Yes, she's all of that!
Review by
S Edwards Sun Lakes, AZ
Kumiko is awesome! She kept this transaction together on so many occasions when it could have fallen apart. She has am azing patience and always has a positive attitude. She can communicate with both sides to keep things moving when there seems like little hope for that. We used her when we purchases our last home in 2018 and have kept in contact over the years. She was the only agent we even considered for both the sale and purchase this year. A great asset to Century 21!!
Review by
Kelly & John, Casa Grande, Arizona
This has been the most understanding Person I have ever dealt with when it come to realty. Kumiko is awesome and hard to put in few words how my Wife and I feel about her. She has been become one of our family members. There is a special place in our hearts for her. Everybody should be as blessed as we were when my son referred Kumiko. I personally put her at the top of any realtor. She was the most important person we had for this purchase. She even helped with a great Mortgage company to use. Just a great experience having Kumiko as our Realtor.
Review by
Dave and Fran Apache Junction Arizona
Kumiko took care of me and my interests with commitment and dedication. She worked very hard on my behalf and it was a p leasure working with her.
Review by
Satisfied USA/Canadian Customer
We met Kumiko on our initial visit to maricopa. She was so pleasant and professional and we felt very at ease having her as our agent. Such a patient agent and helpful at every turn. Top notch in all the above areas. Stayed in constant communication and never made us feel that she was too busy. She would always say “ you are my clients”, and we truly felt that she cared. Kumiko lives in the Maricopa area which makes her a subject matter expert. Very much trust her knowledge and experience.
Review by
Jacqueline / William Carter - Ohio
Kumiko is the best realtor we’ve worked with. She is responsible, knowledgeable, and extremely diligent. She took care of us from the beginning to the end of the purchasing process. She went through all of our documents and advised of important aspects of buying a home. She also worked closely with the builder to make sure that our new home is in excellent condition. We greatly appreciated having her as our realtor.
Review by
RA&SA in California
Kumiko made the whole process of selling our house easy. She quickly answered all of our questions and kept us updated w ith the process regularly. I currently reside out of state and that made it hard for me to take care of a lot of things with the house. However Kumiko went above and beyond and helped me coordinate repairs and maintenance. I would highly recommend Kumiko. Kumiko was available at all times. My work schedule was all over the place and she was very accommodating and answeee all my phone calls and text messages quickly. She even answered questions for me during her vacation. She is very dedicated and listened to all of my concerns and provided excellent feedback/recommendations. If I were to buy or sell more property in Arizona, I would not hesitate to use Kumiko. I would highly recommend her to all my friends and family in Arizona. Kumiko did an amazing job with every process of the sale.
Review by
Dan Rhee, California
Kumiko was extremely thorough in all aspects of the process, friendly, helpful and communicative. She followed up on e very detail to make sure things got done. Everything got done correctly and on time.
Review by
Guy, Maricopa
Kumiko was wonderful to work with. She's very knowledgable of the business and the Maricopa area and made my cross count ry move a hundred times easier knowing I had her representing my best interests in AZ.
Review by
Gina W, Maricopa
Kumiko was the best agent we could have asked for, she is more than attentive and goes way beyond what a typical agent w ould. Highly recommended. I wish there was a level higher than excellent to give to her. Very knowledgeable of the area which was imperative since we were coming from out of state. She was always accessible and never once did I have to leave a voicemail, she always answers her phone. Best agent we have had in our six prior real estate transactions.
Review by
John & Kelly
Kumiko was very friendly professional and helpful with our home purchase. We relied on her experience to buy our home. W e were in need of her expensive because we’re living out of this area. We’re thankful and appreciative of her service.
Review by
Faustino & Gloria Munoz
She helped me more than enough. I greatly appreciate her.
Review by
Satomi Braeen Chandler
She is one of the greatest realtor I have ever met!
Review by
Satomi Brasen, Chandler
Ms Kumiko was most helpful in our purchase of this property. I would recommend her to anyone looking to purchase Realest ate. Her knowledge and patience are extraordinary. Trin A.
Review by
Trin alfaro. Az.
Kumiko san was very quick to respond and able to figure out answers to my concerns in reasonable time. Paperwork process was very easy with her.
Review by
Adesh Prasad
Kumiko is excellent at what she does. She goes above and beyond to ensure your taken care of. She knows all the local co ntacts in your area. She knows how to get any information you may need and responds to you in a timely manner. She will sit down with you and listen to your needs and talk with you like a friend rather than a sales person. Thank you Kumiko!!
Review by
John Bliss. Maricopa, AZ
Kumiko was amazing working with my busy schedule and answering all of my questions in a timely manner. What was importan t to me was important to her and I really appreciated it. Thank you Kumiko for being an excellent partner in this journey for the 2nd time.
Review by
Maria Atienzo, Casa Grande AZ
Kumiko is fantastic! You are very lucky to have her. She truly cares about her clients and her customer service sets the bar. Kumiko truly is one of a kind!!! Anyone who works with her will know they are taken care of as Kumiko cares about YOU during this process. She has excellent follow up and stays in constant contact. She is definitely the agent to have on your side and represent your interests.
Review by
Cathy Donnelly
Extremely good
Review by
Anna, Tempe
Transparency is another important factor for this kind of business, and she has an excellent sense for it.
Review by
Kenji Honda, Scottsdale
She's outstanding! You will definitely be pleased with her professionalism and knowledge.
Review by
Aundrea Randolph, Maricopa,AZ
Kumiko was very knowledgeable and a pleasure to work with. I will recommend her to my family and friends. I am very happ y that she was my agent.
Review by
Frank Kirby, Seattle
Kumiko Tanada-Rosier was our agent in Maricopa. She is a very friendly, warm and attentive person that saw to every asp ect of the sale us. Being snowbirds we weren't always there and we knew we could count on her for everything. We have recommended her services to our friends and neighbours in Maricopa and in Phoenix. If at the some point we want to buy again, she will be our agent. Kumiko has become our friend and we value hers as well.
Review by
Denis & Ginette Desrochers Lorette Mb
went out of her way on everything took extra pictures checked on property for every little thing we asked about supervi sed inspection did a wonderfull job...followed through by e-mail or phone....
Review by
jim baker and janet baker salvisa kentucky
If your looking for a professional, knowledgeable and honest agent, Kumiko is your answere. She went above and beyond ta king care of necessary inspections and being very understanding of my busy work schedule. Kumiko knew the area and type of home I was looking for and never veered from that. I couldn't ask for a better experience.
Review by
John Bliss, Maricopa AZ
Kumiko steered me in what resulted in the correct direction regarding what would impact the sale. After following her s uggestions in the second week, interest seemed higher with second viewings by prospects then an offer submitted. Kumiko's recommendations in negotiations were right on the mark. I am very happy & satisfied with Kumiko's performance & professionalism.
Review by
Ron Sheets, Maricopa
I will say that Kumiko Tanaka-Rosier is the best realtor that I have ever had an association with. She keeps in touch an d watched out for my benefit. I have and will recommend her to anyone.
Review by
Judy Kemp Gilbert, Az.
Kumiko was very friendly, courteous, and professional throughout the transaction of our home purchase. Since this was a short sale property and we lived out-of-state, it required additional attention in dealing with the long process and attention to a number of unforeseen details.. Kumiko kept us informed throughout the process by giving us detailed weekly updates and following up with personal phone calls. When the sellers bank finally approved the short sale, the term of the initial property appraisal had practically ran out and we only had some 14 days to prepare the financing papers. This is a process that normally takes some 45 days to complete. Through Kumiko's contacts and personal initiative, she was able to put us in contact with a local mortgage broker that was supportive in helping us gather all the necessary documents prepared in time to meet the deadline. We will always remain thankful to Kumiko for her hard work, commitment, and diligence in making this purchase a reality. She was and is the ultimate professional. She earned our respect and highest recommendation. Faustino & Gloria Munoz
Review by
Faustino & Gloria Munoz, Delta, CO
If anyone out there looking for a person who goes above and beyond there needs . Look no further Kumiko is the person yo u need. She goes out of her way to do a great job. She is just super.
Review by
Bob And Kathy Billings Montana
After being referred to Kumiko by a friend, we were delighted with her industriousness and commitment to us. She went fa r above and beyond our expectations. In retrospect, we are amazed at her dedication and the service that she provided to us. We have bought and sold several homes over the years. We have never been so well served as by Kumiko. She is a gem among gems and comes highly recommended by us.
Review by
Garth Shanklin Cheyenne
I heard Kumiko was very efficient and was great to work with. I was impressed with Kumiko on EVERY contact we had. I w ould definitely refer anyone to C21. Kumiko kept me updated weekly by phone and by Email. Kumiko always got back to me as quickly as possible by phone or Email. When Kumiko was unavailable, she let me know and also informed me when she was available. Kumiko was very professional, knowledgeable, efficient and friendly.
Review by
Florence Van Hassel, Spartanburg, SC
Kumiko went above and beyond with the repair and sale of our house. We would recommend her to anyone looking to buy or s ale in the central AZ area. Excellent realtor.
Review by
Dave and Debbie Perkins, Caldwell, ID
I would say that we were very lucky to have Kumiko as our realtor...We felt she did a " above and beyond " job handling our transaction. I think all performances ratings were above excellent for Kumiko.
Review by
Rick and Sally Montana
Kumiko is very personable and goes out her way to support the sale of your property. She is always accessible and gets b ack to you immediately with any questions you may have. She is not just a realtor, I consider her a true friend now, and I am glad to have met her.
Review by
kay stockton, maricopa, az

My Listings

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Buyers I've Represented

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