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About Us

Our mission is simple: We improve lives by delivering 5-star real estate service with the highest levels of competence, trust, and integrity. We are known as connected, compassionate, and giving leaders in the communities we serve.

The PiperPartners Team at Keller Williams Realty is committed to serving home buyers and sellers throughout southeast Michigan.  We have been supporting our clients and local communities for more than 15 years. The Piperpartners real estate team serves Washtenaw, West-Wayne, Livingston, and parts of Oakland counties, including Ann Arbor, Brighton, Canton, Chelsea, Dexter, Milan, Northville, Novi, Plymouth, Saline, South Lyon, and Ypsilanti.

See what others have to say about us.  Join our team

The Piperpartners Team

The Piperpartners real estate team. Keller Williams Realty

The Piperpartners real estate team. Keller Williams Reatly

The PiperPartners real estate team consists of REALTORS, Andy Piper, Mariah LaRolland-Wagner, Cody Maldonado, Julia Smith and a talented group of team support specialists.

Our team is equipped to win homes for our buyers in a competitive market and sell listings fast for our home sellers. In fact, our listings sell 80% faster than the Ann Arbor Board of Realtors average, averaging 20 days on market in 2017.

Piperpartners will work closely with you using cutting-edge technology and marketing tools to understand your needs and deliver world-class real estate service.

Working with us, you will receive up to the minute market information and never feel pressured to make a decision. We will protect your interests and negotiate aggressively on your behalf.

We are a training based organization and support the personal and professional development of the individuals on our team with the best coaching and training in the real estate industry. We have a well-defined team culture with a set of core values that we live each day.

We are selectively looking for talented sales, marketing, and administrative/technology professionals to join our team. We would love to hear from you if you think you would be a fit for our group.

Andy Piper

Founder, CEO – Listing and Buyer Specialist – REALTOR®

andy1Andy Piper is the founder and CEO of the PiperPartners real estate team – He is also the creator of the proprietary 189-step Piper Partners Marketing Formula™. Andy is well-known for his in-depth local knowledge and his outstanding service to his clients, and is renowned for his marketing savvy, particularly in regard to online marketing – he has created one of the most powerful, cutting-edge and comprehensive real estate websites in the country, with more than 3000 pages.

Andy Piper is a top producer at Keller Williams – top 5% of all Keller Williams Ann Arbor real estate agents. He is a member of the Keller Williams Agent Leadership Council and is a KW Mentor.  Andy brings his customer-first approach along with strong marketing, negotiation and management skills to each real estate transaction.

Andy, his wife, Diana, his three children, Karl, Marta, Julia, and their four cats have been Ann Arbor residents since 1996. Born and raised in Grosse Ile, Michigan, he has a degree in Urban Planning from Michigan State University.

An expert on Ann Arbor area communities and neighborhoods, Andy is up-to-the-minute on market conditions. He works hard to maximize results for each client. He is known for being committed to advancing knowledge of technology in the real estate industry.

Call Andy at (734) 604-8242 or Email at

Cody Maldonado

Showing Agent, Buyer’s Agent – REALTOR®

You will sense immediately that Cody brings a servent’s heart to his real estate business. He is always working to understand his client’s needs and how he can best serve. He works with buyers and sellers throughout Washtenaw County and also parts of Wayne, Oakland and Livingston Counties.

Cody is a resident of Chelsea, MI and a Michigan native from Saginaw. He holds a degree in Business Management from Northwood University.

When Cody is not helping buyers find the perfect home, he loves to stay active with summer and winter sports and working out at the gym. He is still trying to win his fantasy football league.

Call Cody at (989) 992-1992 or Email at


Mariah LeRolland-Wagner

Executive Administrator – REALTOR®

Mariah is a local Saline resident, having grown up and worked in the area for over ten years. With a Masters in Administration from Central Michigan University, Mariah has worked with a variety of non-profit organizations for the past six years as a Program Manager. Currently, she uses her experience in managing to help create an ideal environment for buyers, sellers, and agents by handling all the behind the scenes magic to make sure you have a smooth deal.

When not in the office you can find Mariah enjoying some sunshine and water. In the summer she can be found swimming at Fuller pool or floating down the Huron River. During the colder months, she is an active member at the YMCA and coaches youth swimming in Whitmore Lake. A great resource for families with kids, Mariah knows all about the various cool things to do and spots to check out with kids.

Call Mariah at (734) 821-0795 or Email at


Julia Smith

Marketing and Technology Specialist

Julia comes to the PiperPartners team via California and New York City. She loves the snow, the changing seasons and Lake Michigan! It doesn’t get cold enough in California, she says. Julia is both highly creative and also systems and procedures minded – a skill set that is perfect for driving our technology driven real estate marketing systems.

She holds a fine arts degree from Biola University in California and has broad experience with technology support as well as graphic design, marketing and advertising experience.

When she is not working furiously to support our clients and team with industry leading marketing systems and technology, she can be found exploring local hikes with her fiancé, drawing in her sketchbook, learning animation or reading a fantasy/sci-fi novel.

Email Julia at

Jan Byar

Closing Coordinator – REALTOR®

Jan has managed the contract to close process for the Piperpatners team since our beginning back in 2003.

Jan is on top of every detail of the transaction, making sure that all parties are adhering to the contract and the timelines set forth regarding inspections, buyer financing, title work and closing.

She communicates with all the parties to the transaction keeping everyone up to date on progress. With Jan’s many years as a licensed Realtor and strong organizational skills, you can feel confident that your transaction will proceed smoothly.

When Jan is not working she loves to vacation up North, ski and visit her family.

Call Jan at (734) 995-9400 or Email at


Maggie Cease

Team Development consultant

Cease-Maggie-Team-Pic-1 copy (1)

An Ann Arbor native, Maggie recently completed her MSW at the University of Michigan and also holds a degree in psychology from U of M as well. Maggie also completed a Fulbright scholarship in Toronto, and is presently pursuing an MBA at the University of Michigan.

At PiperPartners, she provides strategic consulting, project management and assists the team in the development of its MVVP – Mission, Vision, Values, and Perspectives.

When she’s not working, Maggie loves eating at Ann Arbor’s many tasty restaurants with family and friends, as well as cooking at home. Always making something with her hands, she’s likely to have a woodworking or knitting project underway, too.

Call Maggie at (734) 531-9311 or Email at



Contact Us

For immediate assistance, call us at 734-845-9700 or email Andy Piper at