Production consistency and speed have defined Christina Longo Trethewey’s 21-year career in mortgage lending. In the past year alone, she exceeded $100 million in closed loan volume, continuing a track record that has placed her among the industry’s top performers for over a decade. Known for closing loans in as few as eight business days, she combines technology, creativity and availability to help buyers and agents succeed in competitive markets.
Longo Trethewey serves clients throughout Greater Boston, delivering a personalized, relationship-driven approach built on clarity and follow-through. She entered the industry straight out of college, first mastering the operational side of lending as an assistant before moving into origination. This foundation offered her extensive process knowledge and the ability to anticipate challenges before they derail a transaction.
Clients consistently describe Longo Trethewey as dependable, responsive and genuinely invested in their outcomes. She is recognized for her out-of-the-box problem-solving, competitive rates and availability whenever a deal needs attention. Much of her business comes from repeat clients and agent referrals, which she has built through long-standing professional relationships.
Longo Trethewey’s work has earned national recognition year after year. She has been named a Scotsman Guide Top Originator for 14 consecutive years, was recognized as one of Scotsman Guide’s Top 100 Women Originators from 2021 through 2025 and ranked among the top 1% of mortgage originators by Mortgage Executive Magazine for 15 years.
Leading a team of four and remaining actively involved in the Charlestown and Needham communities, Longo Trethewey regularly supports local organizations and youth athletics. Balancing a demanding career with family life is a priority for her, and she credits that perspective with keeping her focused, driven and grounded.
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