Our History

Trusted Advisors


Costabile & Steffens P.C. is a Certified Public Accountant firm that started providing audit/bookkeeping services and tax planning in 1978.  The company was created based on a need for good business and tax services that Frank R. Costabile identified in the business community. After two years of growing the company, Frank R. started to build his team, by adding two partners.

Costabile & Steffens P.C.  has always offered a wide range of accounting services for businesses and individuals

The growth of the business over the years has been strong and steady, thanks to the frequent referrals from satisfied customers.  Building trust and long term relationships with clients through customer service has been one of the pillars of success over the past 40 plus years.

On January 1, 2009 Frank J. Costabile took over the firm from his father, carrying on the successful family business.  Frank J. Costabile has continued to build the company in the ever changing environment of business, keeping the same core values in tact that the clients have come to expect from Costabile & Steffens P.C..  Frank J. Costabile is continuously evaluating trends in technology, business, and tax in order to skillfully maintain the company’s client minded mission and future plans for the company to still include what they do best, providing excellent customer service with quality business and tax service.

Costabile & Steffens

About Costabile & Steffens P.C.

Costabile & Steffens P.C. is a Certified Public Accountant firm that has been providing the business community with sound business and tax services. We take a proactive approach in assisting our individual clients with their tax and financial services by understanding their specific life events. We help customers take action to meet their goals.

Certified Quickbooks Pro Advisor Experts

Research shows that most QuickBooks users only utilize 30 to 40% of its potential. In addition, each year new QuickBooks enhancements include dramatic improvements and breakthrough features and benefits that enable you to get more done in less time.

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Trusted Tax Solutions with a Personal Touch

Our accounting firm has been delivering excellence in customer service to our clients for over 40 years. Our focus is to provide consistent quality service to every client, with a personal touch.  We are the trusted advisor that helps each client achieve goals for small to mid sized businesses and personal needs.