Allison Costelow

Allison Costelow is a trusted East Bay real estate professional known for guiding seniors, families, and adult children through important life transitions with clarity, patience, and care. With a background in caregiving and years of hands-on real estate experience, she brings both professional expertise and genuine compassion to every client relationship.

As a Certified Senior Housing Professional and Seniors Real Estate Specialist®, Allison is specially trained to assist with downsizing, probate and trust sales, and multi-generational moves. She understands that these transactions are often emotional as well as financial, and she takes a steady, thoughtful approach to help clients feel supported and informed at every step.

Deeply rooted in the local community, Allison works closely with trusted partners including estate planners, move managers, and senior living professionals to provide comprehensive support beyond the transaction itself. She proudly serves Benicia, Vallejo, Martinez, Fairfield, Walnut Creek, and surrounding East Bay communities.

Clients appreciate her calm guidance, clear communication, and commitment to doing what’s right — not just what’s easy.