Carol L. O'Riordan

Carol L. O'Riordan: Attorney with O'Riordan Bethel Law Firm, LLP AV stamp icon
  • Managing Partner at O'Riordan Bethel Law Firm, LLP (6 Attorneys)
  • 1314 19th Street, N.W., Washington, DC 20036
    View Carol L. O'Riordan's office location
  • Carol O'Riordan is Managing Partner at O'Riordan Bethel. Her practice focuses on the representation of businesses and emphasizes government contracts, construction and complex litigation in state and federal courts.
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Attorney Awards


Carol L. O’Riordan, Founding and Managing Partner of the O’Riordan Bethel Law Firm, LLP, is an AV® Preeminent™ Peer Review Rated attorney (5 of 5 rating). She has thirty years experience in the fields of government contracts (federal, state and municipal); construction contracts and litigation; complex litigation; and negotiation of domestic and international government contracts, construction and financing transactions.

Ms. O'Riordan has extensive experience in government contract related matters, having represented clients nationwide on government procurement issues relating to appropriated and non-appropriated fund activities under military and civilian procurements. Ms. O’Riordan regularly handles contract review and subcontract preparation, bid protests, size protests and size appeals, requests for equitable adjustment, cost and pricing issues, debarment and suspension matters, claims preparation, pricing, negotiations and litigation, and terminations. She is a recognized authority and frequent lecturer on federal and state certification programs, including the U.S. Small Business Administration’s 8(a)BD program, the U.S. Department of Transportation’s Disadvantaged Business Enterprise program, and the District of Columbia Certified Business Enterprise (CBE) program.

Ms. O’Riordan has structured protocols for corporate Foreign Corrupt Practices Act compliance; led successful negotiations of the prime contract and related subcontract and supply agreements for construction, by her client, of a $650 Million highway in Central Asia; and served as outside general counsel to a federal contractor during its launch of international operations in Iraq and the Middle East in 2003-2004. She is a trained arbitrator and a former member of the American Arbitration Association Panel of Neutrals (Construction Panel and Government Contracts Panel).

Ms. O'Riordan is a member of the Connecticut, District of Columbia, Maryland and New York bars. She is admitted to practice before several U.S. District Courts (for the District of Connecticut, for the District of Columbia and for the District of Maryland), and U.S. Courts of Appeals (for the District of Columbia Circuit and the 4th Circuit), as well as the U.S. Court of Federal Claims. She regularly practices before federal and state boards of contract appeals, the U.S. Small Business Administration Office of Hearings and Appeals, the U.S. Department of Transportation Office of Civil Rights and the Office of the Comptroller General, U.S. Government Accountability Office.
Ms. O’Riordan obtained her J.D. from Boston University in 1983, and her undergraduate degree in Foreign Service from Georgetown University in 1980. She completed the Tuck-WBENC Executive Program presented by the Tuck School of Business at Dartmouth (October 2012).
Recipient, Boston University School of Law 1993 Young Lawyer's Chair. Co-Author: "Handling Environmental Incidents at the Jobsite," Construction Briefings, 91-10, Federal Publication, Inc., 1990; "Indemnity Clauses: Who Pays for What?" ABC Today, Associated Builders and Contractors, Inc., November 1994; "Planning a Successful Defense: Surviving a Bid Protest War," Acquisition Issues, Vol. 4, No. 9, Holbrook & Kellogg, Inc., Vol. 4, No. 9, September 1994; "Improving Your Contract I.Q. - Pay-When-Paid Clauses," The NAWIC Image, National Association of Women in Construction, August 1994.

Areas of Practice (4)

  • Government Contracts
  • Construction Litigation
  • Construction Contracts
  • Complex Litigation

Education & Credentials

Contact Information:
202-559-1395  Phone
202-822-1720  Phone
202-309-0209  Cell Phone
202-822-1721  Fax
University Attended:
Georgetown University, B.S.F.S., 1980
Law School Attended:
Boston University, J.D., 1983
Year of First Admission:
1983, Connecticut; 1984, New York; 1984, U.S. District Court, District of Connecticut; 1985, District of Columbia; 1986, U.S. Court of Federal Claims; 1993, U.S. Court of Appeals, Fourth Circuit; 1994, Maryland
The District of Columbia Bar (Member, Sections on: Administrative Law; Government Contracts and Litigation); American Bar Association (Member, Sections on: Public Contract Law and Environmental Law); Women Construction Owners and Executives, USA; National Association of Women in Construction; Associated Builders and Contractors.
Special Agencies:
U.S. Government Accountability Office; US Small Business Administration; U.S. Department of Transportation; Boards of Contract Appeals; U.S. Court of Federal Claims.
Payment Information:
  • Minority - Owned

Peer Reviews

  • 5.0/5.0
  • A Martindale-Hubbell Peer Rating reflects a combination of achieving a Very High General Ethical Standards rating and a Legal Ability numerical rating.

*Peer Reviews provided before April 15, 2008 are not displayed.

Washington, District of Columbia

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