Yorktown, Virginia Mortgage Expert: Andrew Halverson at 1st Advantage Federal Credit Union. Seeking a mortgage? Andrew specializes in guiding clients through the complexities of home financing, offering personalized loan solutions tailored to individual financial goals. He ensures a seamless and efficient mortgage process, from application to closing. Available weekdays 9 AM to 5 PM. Contact Andrew today to explore your mortgage options and achieve your homeownership dreams.