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About me

Juris Doctor


Mr. McKennett, a native of Montana, joined Purnell, McKennett & Menke, PC after graduating from George Mason University School of Law in 2005, with a litigation focus. Prior to attending law school, Mr. McKennett received his B.A.  in Government from Patrick Henry College where he received the Patrick Henry Award for Oratory; the award given to the graduating senior with the greatest achievements in intercollegiate debate and moot court. Mr. McKennett graduated second in his class and also started as the left forward for the Patrick Henry College soccer team.

Mr. McKennett, prior to becoming an attorney, interned for such influential individuals and organizations as the former Senator Conrad Burns (MT), the United States Probation Office (DC), and Judge Kenneth Star. Mr. McKennett is licensed to practice in all Virginia and Idaho courts. His practice primarily focuses on litigation cases involving business, construction, corporate and real estate.


Mr. McKennett lives in Bristow, VA with his wife and 3 daughters.


Photos and videos

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Practice areas


  1. Landlord & Tenant: 25%
    10 years, 1 thousand cases
  2. Litigation: 25%
    10 years, 500 cases
  3. Business: 25%
    10 years, 500 cases
  4. Commercial Real Estate: 15%
    10 years, 100 cases
  5. Debt Collection: 10%
    10 years, 1 thousand cases



Hourly ($300/hour), contingent (33%), Fixed (sometimes), Retainer (sometimes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

2 total 

Are you an attorney? Endorse this lawyer

  • Phillip John Menke

    David is one the best litigators in northern Virginia. You can trust him with your case!


    Phillip Menke Probate Attorney
    Relationship: Co-worker

  • Timothy Mark Purnell

    I endorse this lawyer.


    Timothy Purnell Business Attorney
    Relationship: Supervised lawyer

Contact info

Purnell, Mckennett & Menke, PC

9214 Center St Ste 101
Manassas, VA, 20110-5596


VAAuthorized to practice law200503/31/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Blackstone FellowBlackstone Fellowship2004
Patrick Henry Award for OratoryPatrick Henry Collelge2002
Work experience
TitleCompany nameDuration
PartnerPurnell, McKennett & Menke, PC2005 - Present
Association namePosition nameDuration
Prince William County Bar AssociationN/A2005 - Present
Alliance Defense FundN/A2005 - Present
Alliance Defending FreedomN/A2005 - Present
Blackstone FellowshipN/A2004 - Present
Christian Legal SocietyN/A2003 - Present
Legal cases
Case nameOutcome
Watergate at Lanndmark Condo. Assoc. v. Davis, et. al.Settled after one judgment vacated, one dismissal and dismissal of an appeal
See all legal cases 
Publication nameTitleDate
George Mason University Civil Rights Law JournalWho Can Create Your Rights? On Save Our Valley V. Sound Transit, The Inability Of Agencies To Create Personal Rights, And The Implications On The Non-Delegation Doctrine2004
School nameMajorDegreeGraduated
George Mason University School of LawLawJD - Juris Doctor2005
Patrick Henry CollegeGovernmentBatchelor of Arts2002
Speaking engagements
Conference nameTitleDate
Arrowood HOA MeetingHome Owners Association Declarations and Amendments2007