Vermont mortgage expert Carol Costello at NBT Bank National Association helps individuals and families achieve their homeownership dreams. Specializing in conventional mortgage loans, Carol guides clients through every step of the financing process, from application to approval. Located in Williston, Vermont, she offers personalized service and in-depth knowledge of the local real estate market. Contact Carol Monday through Friday, 9 AM to 5 PM, for expert assistance with purchasing or refinancing your home. Secure your conventional mortgage with a trusted professional.