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About Erica Martinsen

Erica Martinsen in a gray checked blazer, with long blonde hair.

Agent Details

Meet Erica

Erica Martinsen is a dedicated real estate professional with the Katz Group at Compass. She delivers personalized, results-driven service to buyers, sellers, and tenants throughout the West San Fernando Valley and Conejo Valley, with a special focus on Agoura Hills, Calabasas, and Woodland Hills — while welcoming clients anywhere in the Greater Los Angeles area.

Erica earned her Bachelor of Business Administration with a focus in Business Administration and Real Estate from the University of San Diego, where she was also a member of the women's basketball team after transferring from the University of Virginia. She earned WCC All-Academic honorable mention recognition for her academic performance, and as an active member of USD's Real Estate Society, she built hands-on knowledge of market trends, investment strategies, and transaction management. The discipline and competitive edge she developed as a collegiate athlete now shape how she approaches every transaction.

Erica combines her academic foundation with a genuine commitment to client service, guiding buyers and sellers through every stage of the process — from first-time buyers and growing families to relocating professionals and seasoned investors. She also works closely with tenants, offering the same attention to detail and negotiation skill on lease transactions as she does on purchases and sales. Clients can expect integrity, clear communication, and a customized strategy built around their specific goals.

A local resident of the Agoura Hills area, Erica brings genuine, everyday familiarity with the communities she serves — from top-rated schools and family-friendly neighborhoods to luxury properties and easy access to nature and the coast. She also runs Meet Me Outside, a walk club for women in Old Agoura that brings neighbors together to get active and connect with the community.

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