Seneca Group
Real EstateWashington, United States51-200 Employees
Seneca Group is a real estate development, management, and advisory firm that provides leadership across the real estate development process for private and public sector clients. Its services are designed to meet the distinct needs of each project, spanning office, healthcare, civic, education, multifamily, and tenant improvement sectors, with attention to size and complexity. Based in Seattle, Washington, the firm operates within the real estate industry and emphasizes delivering guidance and coordination throughout development cycles to support client objectives. In October 2025, Seneca Group merged with Cumming Group, a move that expands its leadership capabilities and extends its reach to additional clients globally while preserving the core focus on development and project leadership.