Serge Tomassian

Attorney Profile

Top Rated Construction Litigation Attorney in Irvine, CA

Tomassian, Throckmorton & Inouye LLP
 | 2 Corporate Park, Suite 210
Irvine, CA 92606
Phone: 949-955-2280
Fax: 949-476-8081
Selected To Super Lawyers: 2012 - 2020
Licensed Since: 1984
Practice Areas:
  • Construction Litigation: Business (50%),
  • Real Estate: Consumer (30%),
  • Business Litigation (20%),
  • Civil Litigation: Plaintiff (0%),
  • Civil Litigation: Defense (0%)
Languages Spoken:
  • English,
  • French
    Attorney Profile

    Serge Tomassian is senior partner of Tomassian, Throckmorton & Inouye LLP, a So. California-based specialty firm focused in real estate, construction and general civil  litigation. As a trial lawyer/litigator he is viewed as tough, detailed and highly professional.

    Since 1984, Mr. Tomassian has successfully represented clients in all aspects of negotiations, litigation, trial, arbitration, mediation and settlements with awards in excess of $100 million. Areas of expertise include construction claims, defects, real estate. landslides, business and civil litigation. He has handled a number of high profile Construction, Real Estate, Business & Landslide cases.

    He graduated USC (Phi Beta Kappa)  and McGeorge School of Law ( Moot Court Honors Board). He was voted Best Lawyers In America, Super Lawyer for So Cal.,  Top Lawyers in OC, AVVO Rating of Superb 10, Highest Rating of AV for Martindale Directory. He is also an experienced and skilled Arbitrator and Mediator for the American Arbitration Assoc.

    *AV Preeminent and BV Distinguished are certification marks of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell peer review ratings fall into two categories: legal ability and general ethical standards.

    Practice Areas
    • 50%Construction Litigation
    • 30%Real Estate
    • 20%Business Litigation
    • 0%Civil Litigation
    • 0%Civil Litigation
    Focus Areas

    Construction Defects, Condominiums & Cooperatives


    Selected to Super Lawyers for 9 yearsbottom-image

    Super Lawyers: 2012 - 2020

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    About Serge Tomassian

    Admitted: 1984, California

    Professional Webpage:


    • Named in Best Lawyers of America, Best Lawyer in America, 2016
    • AVVO rating of perfect 10 as superb, AVVO rated Superb, 2012
    • Armenian Professional Society of Orange County Award of leadership & service, 2011
    •  International Moot Court Honors Board
    • Golden Orange Award 2013 for leadership for World Affairs Council of Orange County, Golden Orange Award 2013
    • Arbitrator and  Mediator, American Arbitration Association, 1991-Present
    • Blackstonians
    • American Jurisprudence Award for Agency
    • Phi Delta Phi
    • Pi Sigma Alpha
    • Phi Beta Kappa

    Special Licenses/Certifications:

    • Certificate In International and Comparative Law Studies-Paris France, 1981
    • Black Belt in Tae Kwon Do

    Bar/Professional Activity:

    • U.S. District Court Central District of California, 1984
    • U.S. District Court Eastern District of California, 1984
    • California, 1984
    • Chair, Orange County Bar Association, Construction Law Section
    •  Board of Directors, Orange County Bar Association,
    • Chair, Legislative Committee, Orange County Bar Association
    • Member, Orange County Bar Association, Judiciary Committee Section
    • Member, Orange County Bar Association, Business, Litigation and International Law Sections
    • Member, State Bar of California

    Pro bono/Community Service:

    • Board of Directors for World Affairs Councils of America-based in Wash DC, 2016
    • Chairman of the World Affairs Council of Orange County 2001, 2002 & 2011-12
    • Member of 1918 Society World Affairs Councils of America
    • Guest Speaker on Genocide Prevention and Awareness.
    • Arbitrator for OCSC Served as mentor for OCBA Orangewood ProgramChurch Sunday School volunteer-Irvine Mariners ChurchServe as member of HEROES for kids elementary school President 2007-09 of the Orange County Armenian Professional Society.
    • OCBA Constitutional Rights Foundation-Served as Judge for Moot CourtJudge Pro Tem for OCSC and Small claims.
    • Chairman, 2001-2003 and Trustee, World Affairs Council of Orange County
    • Member, Legal Advisory Committee, General Contractors of California

    Scholarly Lectures/Writings:

    • Speaker, Mitsubishi Corporate Offices-Speaker on Effective Mediation.
    • Speaker, Mediating Case Irvine HOA-Woodbridge Board of Directors-Protection against Litigation.
    • Speaker, Various Trade Organizations on Preventing and Defending Against Liability Claims.
    • Speaker, Association of General Contractors-Legal Advisory Committee
    • Speaker, Orange County Bar Association-Construction Symposium
    • Speaker, American Arbitration Association-Seminar UCI-ADR
    • Speaker, Lorman Seminar on Public School Construction
    • Speaker, Lorman Seminar on "When Construction Projects go Bad".


    • As Plaintiffs counsel I have recovered through Trial (both jury and bench), Arbitration or Mediation in excess of $100,000,000 in damages. As Defense counsel-completely defensed against two large complex Real Esate/Construction matters with each matter involving claims in excess of $20,000,000. I have been mentioned in Daily Journal Verdicts and Settlements on many occasions with a recent settlement and verdict in excess $4.5 million dollars. First ever time  jury verdict in 2010 against the County of Orange for liability for a leaking and deteriorated Storm Drain.

    Other Outstanding Achievements:

    • Chairman of the OC World Affairs Council (WAC)Chairman of Programs for WACMember of World Affairs Council of America-President's CircleLeadership mission trip to Israel-WACA 2008President of OCAPSLecturer and Speaker on Construction matters for Lorman Seminars and OCBAPanel member of AAA-on OC legal advisory council

    Educational Background:

    • University of Southern California, B.A., 1979

    Industry Groups

    • American Arbitration Association
    • California State Bar Association
    • Orange County Bar Association
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    Office Location for Serge Tomassian

    2 Corporate Park
    Suite 210
    Irvine, CA 92606

    Phone: 949-955-2280

    Fax: 949-476-8081

    Serge Tomassian:

    Last Updated: 2/13/2020

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