David Callahan

David Callahan is a real estate investor, property manager, and landlord education advocate based in Portland, Oregon, with over 14 years of experience building and managing a residential rental portfolio. He owns and self-manages a mix of single-family homes, duplexes, and small multi-family properties throughout the Portland metro area and has navigated the city's complex landlord-tenant regulatory environment. David holds an Oregon real estate property manager license and has completed coursework through the National Association of Residential Property Managers (NARPM). He is particularly knowledgeable about Oregon's rental laws, tenant screening best practices, and maintenance cost management. David regularly contributes to landlord and real estate investor communities, offering experience-based answers on rental property management and small-scale real estate investing.