Lydon Fetterolf Corydon, P.A.

We are a CPA Firm located in Rockville, MD providing Professional Accounting, Tax Preparation, Financial Planning, and Management Consulting Services.

About Us Lydon Fetterolf Corydon has been serving clients as a CPA firm in the Washington, DC metropolitan area since 1978. We take pride in providing our clients the most up-to-date information and advice on accounting, tax, financial and management issues essential to sound decision-making. Since our inception more than thirty years ago, we have remained true to simple principles. We listen to our clients. We establish clear, open communication, dedicating ourselves to outlining and determining precise and consistent client objectives. We focus on meeting those objectives and providing value to our clients. We strive to develop and maintain long-term relationships. We are proactive, responsive and committed to client success.