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Robb Adam Longman

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About me

I have been representing individuals and business before the Internal Revenue Service and state taxing agencies for over 12 years.  I chose this practice of law becuase it is something that I enjoy doing and I enjoying helping my clients obtained results.


Practice areas


  1. Tax: 45%
    15 years
  2. Estate Planning: 30%
    13 years
  3. Business: 25%
    12 years



Hourly ($300/hour)

Payment types:

Cash, Check, Credit card

Attorney endorsements

10 total 

Are you an attorney? Endorse this lawyer

  • A Howard Metro

    Rob's Tax work is knowledgeable, practical and realistic. He understands how the IRS works, and, he uses his experience to solve serious tax problems.


    A Metro Business Attorney
    Relationship: Supervised lawyer

  • Hovanes Margarian

    I endorse this lawyer.


    Hovanes Margarian Consumer protection Attorney
    Relationship: Fellow lawyer in community

Contact info

Longman & Van Grack, LLC

10411 Motor City Drive, Suite 750
Bethesda, MD, 20817


DCActive 200707/10/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
AV Preeminent RatedMartindale-Hubbell2014
Legal EliteWashington SmartCEO2009
John S. Nolan FellowAmerican Bar Association, Section of Taxation2008
Work experience
TitleCompany nameDuration
AttorneyLongman & Van Grack, LLC2014 - Present
PrincipalLaw Offices of Robb Longman2013 - 2014
AssociateFried & Rosefelt, LLC2013 - 2013
AssociateMcMillan Metro, PC2011 - 2013
AssociateJoseph, Greenwald & Laake, PA2006 - 2011
Association namePosition nameDuration
Rockvile Chamber of CommerceMember2013 - Present
American Bar AssociationMember2001 - Present
American Bar Association, Taxation SectionMember2001 - Present
Maryland State Bar AssociationMemberN/A
Montgomery County Bar AssociationMemberN/A
Prince George's County Bar AssociationMemberN/A
American Bar Association, Taxation SectionChair of Young Lawyers Forum2010 - 2011
American Bar Association, Young Lawyers DivisionVice-Chair2007 - 2010
Publication nameTitleDate
News QuarterlyThe New Section 7122 OIC Rules2007
Practical Tax LawyerTips for Representing Your Client Before the Appeals Division of the Internal Revenue Service,2006
School nameMajorDegreeGraduated
University of Baltimore School of LawN/ALL.M - Master of Laws2003
University of Baltimore School of LawLawJD - Juris Doctor2001
Hofstra UniversityN/ABA - Bachelor of Arts1997
Speaking engagements
Conference nameTitleDate
Good Morning RockvilleContracts 101: What Every Businessperson Should Know About Contracts2015
Working with Legal Aspects of Guardianship & Powers of AttorneyGuardianship and Powers of Attorney2014