The ATP Builders Team
ATP Builders is intentionally structured as a lean, senior-led team, allowing us to provide a level of attention, accountability, and project oversight that larger firms often cannot match. Every renovation and custom construction project is guided by experienced professionals who remain actively involved from planning and budgeting through construction and completion.
With clear ownership, direct communication, and consistent leadership throughout the process, our clients benefit from a more organized, transparent, and personalized building experience.
Erin Collins
PresidentErin founded ATP Builders on a clear premise: that residential construction in Orange County should feel structured, transparent, and consistently executed from the first conversation through the final walkthrough. She sets the firm's standards, leads client relationships, and ensures every project in the ATP portfolio reflects the same level of care.
Richard Diaz
Vice PresidentRichard oversees operations and construction execution across every active project in the ATP portfolio. His focus is sequencing, quality control, and delivery, ensuring that what was planned at the start of a project comes through in the build with the same precision and care it was designed to reflect.
Cassandra Perley
Project ManagerCassandra owns client communication and day-to-day project coordination through every phase of construction. She keeps homeowners informed, oversees the sequencing between trades, and ensures the project stays on schedule and within scope. Clients always know what is happening and what comes next.
Valerie Kerr
ControllerValerie owns ATP's financial operations, covering cost tracking, budget transparency, and financial accountability across the portfolio. Her work ensures that the numbers clients see at the beginning of a project reflect the reality throughout the build.
Chloe Heiser
Operations and Marketing ManagerChloe oversees operations and marketing at ATP Builders, coordinating internal processes and supporting the firm's external presence across every channel. She keeps workflows organized and efficient, ensuring project teams stay aligned and client communication flows smoothly from first contact through final delivery.
How the Team Works Together
ATP is built around a single team carrying the project from start to finish. The people who scope your work are the people who build it. The team that sets your timeline is the team accountable for it. That continuity, from the first conversation to the final walkthrough, is what produces a calm, organized build.
Explore Our Services
Every service ATP Builders offers follows the same planning discipline and craftsmanship standard.
