Marlborough, MA homebuyers: Meet Guillermo Castillo, your dedicated mortgage expert at St. Mary's Credit Union. Guillermo simplifies the home financing process, guiding you through every step with personalized solutions. Whether you're a first-time buyer or seeking to refinance, Guillermo leverages his in-depth knowledge to secure the best possible mortgage options. Connect with Guillermo during business hours, 9 AM to 5 PM, and discover a smoother path to homeownership in the Marlborough area.