Our Agents

Stephanie Cook is the Founder and Broker-Owner of Mammoth Realty Group, a locally owned brokerage built on hands-on service, strategic marketing, and exceptional negotiation. Under her leadership, Mammoth Realty Group has remained a top-producing brokerage year after year, earning a reputation for professionalism, accountability, and consistent results. A full-time, top-producing broker, Stephanie is directly involved in every transaction from start to finish. Her clients value her clear communication, deep market k...

Meet Teresa – Mammoth’s Leading Real Estate Expert Teresa is the top-producing agent at Mammoth Realty Group, the largest and highest-grossing real estate brokerage in Inyo and Mono Counties. With over 450 homes sold in Mammoth and more than two decades of experience in the local market, Teresa has earned a reputation for excellence, integrity, and results. Originally from New England, Teresa moved to Mammoth in 2000, drawn by her passion for snowboarding and the mountain lifestyle. She quickly fell in love w...

Vanessa's passion for snowboarding drew her to the Eastern Sierras from Wisconsin in 2006. The top-notch skateboarding, golfing, hiking, and biking in the summer and the skiing, snowboarding, and snowmobiling in the winter made her call it home for over 7 years. Vanessa prides herself on her exuberance for working with people, proven by her extensive history in customer service. Her approach to every opportunity is with professionalism and integrity, holding your best interests high. She values her clients and tries to...

I was born and raised in what used to be a "small town" in Southern California called Mission Viejo. Life was all about swimming for the Nadadores back then. In 1972, my family made its first trip to Mammoth and the love affair began. Ever since then, Mammoth and the Eastern Sierra has been my home away from home. I finally decided to make it my real home when I moved here after college in January of 1993. Mammoth almost became my home in 1987, when I had threatened to come up and be a "ski bum" just for one season aft...

I have been a resident of the Eastern Sierra mountains for over 30 years and know the benefits of living in this wonderful place where I married, raised my two kids, and grew my career as a teacher in the Mammoth Unified School District. As a real estate agent, my focus is on top-notch customer service and assisting buyers and sellers reach their real estate goals. I enjoy sharing my knowledge of Mammoth Lakes and surrounding towns with my clients and have an intimate understanding of the neighborhoods that make up Mam...

JANICE GRAY – Born in San Francisco and raised in Pasadena; January of 1961, fresh out of UCLA, with her degree in hand and a job waiting with LA schools, Janice came to Mammoth for a ski weekend that has lasted over 59 years. When she first made Mammoth her home, there were about 400 people who also called Mammoth home. There were 2 chair lifts on the Mountain and no condominiums in town. Now the town is home to over 7,500 people, the Mountain has over 25 chairs plus 3 gondolas, a new Village, over 5,200 condos and ...

Since working as a Realtor, I continue to serve Buyers and Sellers looking to "live the dream". My clients return to me time and again for valuable information and advice - tough, creative negotiation and simply – consistency in getting the job done. I also specialize in working with Stephanie Cook as a team member within the Mammoth Lakes area. My goal is to guide buyers and sellers, to make the most of every moment with precise detail, experience and professionalism. Born in New York, I was destined to be a part of...

Before stepping into the world of real estate, I honed my skills as a receptionist and office manager for the top broker at Mammoth Realty Group. This role not only introduced me to the fast-paced real estate environment but also sparked my passion for the industry. Being surrounded by top agents and brokers helped me develop my own dynamic, youthful, and edgy marketing style. I’ve had the opportunity to learn the intricacies of the escrow process, which has been invaluable in my real estate journey. As a bilingua...

Real estate is a powerful thing. Where you live or purchase your precious home or vacation home becomes the center of your universe; your “home base” and a place where memories are made. Even an investment property can have a profound effect on your life’s story—when chosen correctly, it becomes long-term financial freedom and a vital part of your well-diversified portfolio. Anchored by a passion for helping people, Donna Lisa will guide you through the process of achieving your real estate goals. Whether a ...

I was a beach girl from Santa Monica, but my interest in skiing brought me to a skier's boarding school called Mammoth Academy and I fell in love with the Sierras. After graduating from UCLA I made Mammoth my home. Our children grew up here and we continue to enjoy skiing, hiking, biking, and the other wonderful things that the Mammoth area offers. I have been a Realtor since 1993 and LOVE my work. I am a licensed Broker, a member of the Mammoth Lakes Board of Realtors, The Bishop MLS, CAR and NAR. I have served as a d...

Jes came to Mammoth from Oregon in 1975. She taught skiing at Mt. Ashland, Oregon while completing college. Jes was invited to teach in Mammoth, went to the top and became a fully certified U.S. Alpine Ski Instructor and still enjoys a long skiing career. She brought that same drive into her Mammoth real estate business, which started in 1988. Jes has been coached by the Mike Ferry Organization for most of her real estate life. Her drive, customer commitment and strong skills brought her to the top as one of Mammoth�...

I moved to Mammoth Lakes in 2002 from Truckee, California to pursue a professional snowboarding career. Though snowboarding is what brought me to this town, I fell in love with Mammoth even more during the summer time, when I learned to rock climb, mountain bike, and became a passionate trail runner. Being a Sierra Nevada native has groomed me to love the mountains, outdoors, and the all the activities that pair with this special four season town. Buying and selling homes in mountain communities has become a passion...