Mount Airy MD

electronic filing
personal tax preparation
small business
HOA Information
fast refunds, electronic filing


Garrett Isacco-

  • CPA

  • MBA in Finance from University of Maryland

  • BBA in Finance from Notre Dame (IN)

  • member of the American Institute of Certified Public Accountants (AICPA), the Maryland Association of Certified Public Accountants (MACPA)
Garr has been serving Maryland, Virginia, and DC as a CPA for over thirty years. In addition to his private practice, Garr has worked with the Marist Fathers in Washington, DC for the last 12 years. He now lives in Mount Airy, MD. Garr has five children and two grandchildren.

Philip Isacco-

  • BA in History from the University of Baltimore

  • currently working on MA in Accounting from the University of Baltimore
Phil began working with his father in 2005 after graduating from college. In addition to this, Phil has been taking courses towards a masters degree in accounting and he plans to sit for the CPA exam in 2008. He recently bought his first home in Baltimore, MD where he hopes to start a family.

Garrett and Philip Isacco

We look forward to working with you!

Garrett Isacco CPA
Garrett Isacco CPA
Member of
MACPA member CPA

important filing dates

January 15 - 4th quarter estimated taxes due - personal and corporate

March 15 - Federal Corporate Income taxes due and some states

April 15 - personal income taxes due, 1st quarter estimated taxes due, Maryland Form 1, Personal Property Taxes, OR extensions

May 15 - Non profit tax returns due

June 15 - Extended Maryland Form 1, Personal Property Taxes due, 2nd quarter estimated corporate and personal income taxes due

July 31 - Pension plan tax returns due

September 15 - Extended Corporate tax returns due, 3 quarter estimated taxes due

October 15 - Extended personal income taxes due