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Ryan & Mason

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Ryan & Mason

Ryan Zimmerman | CA DRE# 0180​1354

Mason Prophet | CA DRE# 0171​4034


Ryan Zimmerman and Mason Prophet are real estate brokers and co-owners of Concierge Realty Group, and are the top-producing real estate team for buying and selling homes in Claremont, CA. Together, Ryan and Mason bring over 40 years of combined experience and hold the CRS, GRI, ABR, SRES, and e-PRO professional designations. They have closed more than $800 million in combined sales representing sellers and buyers throughout Claremont and surrounding cities.

Ryan and Mason's philosophy is simple: do things the right way. They work directly with clients at every step, from pricing strategy and home preparation through negotiations and closing. Ryan is known for creative, high-impact marketing, while Mason brings a meticulous, detail-driven approach to every transaction. Together, this combination has helped clients consistently maximize their sale price while keeping the process as smooth as possible.

From their Claremont office, Ryan and Mason lead a team of skilled agents committed to the same standard of service. Since opening Concierge Realty Group in 2023, they have focused on creating a seamless, stress-free real estate experience for Claremont home sellers and buyers, while remaining deeply involved in the community they call home.

Beyond business, Ryan and Mason are deeply rooted in the Claremont community. Mason is a board member of Pomona Valley Hospital Medical Center, and an active member of the Claremont Kiwanis Club, and a past Little League coach. Ryan serves as Past President of the Claremont Lewis Museum of Art, sits on the board of the Mount San Antonio Gardens Life Care Community, and has volunteered for many years as an AYSO soccer coach.

Testimonials

Jason A.

Jason A.

We hired Ryan and Mason to sell our home in Claremont. They did a great job, were extremely responsive, and their marketing of our property was top notch. I would certainly recommend using Ryan and Mason if you are looking to s...
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Ann M.

Ann M.

The buying and selling with Ryan and Mason was the best real estate experience I’ve had. Everything they and their staff did made the process easier. Great pictures and marketing do make a difference. The way they handled all a...
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John W.

John W.

Ryan Zimmerman and Mason Prophet did an amazing job helping us sell our Claremont home. We have worked with other "notable" realtors in the past, but our experience with Ryan and Mason was second to none. Everything they did wa...
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Jennifer D.

Jennifer D.

Ryan and Mason were extremely helpful throughout the process of selling our house. They under promised and over performed. We consider ourselves extremely fortunate to have worked with them.
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William V.

William V.

Mason, Ryan, and Concierge Realty represented us when we sold our house in Claremont in 2025. They provided first-rate service across the board: sound advice, clearly explained; prompt replies to every question; kept us up to d...
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You deserve to be taken care of, not just represented. Our goal is to understand what’s important to you, and ensure that everything we do is with that in mind, while guiding every aspect of before, during and after the transaction so you can focus on your move, and leave the rest to us.

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