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About me

Construction Litigation: John H. Guin represents owners, design professionals, contractors, subcontractors, suppliers, sureties and lenders in all aspects of construction-related matters.  Mr. Guin has experience in state and federal courts in Washington, Montana, Idaho, and California representing clients in jury trials, bench trials, boards of contract appeals, administrative hearings, and private arbitration and mediation. 


Alternative Dispute Resolution: John H. Guin also provides alternative dispute resolution services, including serving as arbitrator, mediator, discovery master, or third-party neutral.  Mr. Guin is a member of the American Arbitration Association's panel of construction industry arbitrators and has received training in mediating complex construction disputes at the Straus Institute for Dispute Resolution.


Interests: Outside the office, John Guin enjoys spending time with his family in such activities as camping, hiking, golfing, and fishing.


Practice areas


  1. Construction: 50%
    19 years
  2. Government Contracts: 30%
    19 years
  3. Arbitration: 10%
    11 years
  4. Appeals: 5%
    13 years
  5. Mediation: 5%
    7 years



Hourly ($275-300/hour), contingent (25-40%), Fixed (sometimes)

Payment types:

Cash, Check, Credit card

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Contact info

Law Office of John H. Guin, PLLC

421 W. Riverside
Suite 461
Spokane, WA, 99201


IDAuthorized to practice law199807/12/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Washington Super LawyerWashington Super Lawyers2015
Best Lawyer, Commercial LitigationBest Lawyers in America2015
Washington Super LawyerWashington Super Lawyers2014
Best Lawyers, Commercial LitigationBest Lawyers in America2014
Washington Super Lawyer 2013Super Lawyers2013
Best Lawyers in AmericaBest Lawyers in America2013
AV Peer Review RatingMartindale-Hubbell2012
Washington Rising Star 2012Super Lawyers2012
Washington Rising StarSuper Lawyers2011
Washington Rising Star 2009SuperLawyer2009
Washington Rising Star 2008SuperLawyers2008
BV RatingMartindale-Hubbell2007
Order of the CoifUniversity of Oregon, School of Law1997
Associate EditorOregon Law Review1997
Statement of Completion in Business LawUniversity of Oregon, School of Law1997
Work experience
TitleCompany nameDuration
MemberLaw Office of John H. Guin, PLLC2007 - Present
AttorneyWinston & Cashatt1997 - 2007
Association namePosition nameDuration
State Bar of CaliforniaMember2012 - Present
American Bar Association, Section of Dispute ResolutionMember2010 - Present
American Bar Association, Forum on the Construction IndustryMember2009 - Present
American Bar Association, Public Contract Law SectionMember2009 - Present
American Bar AssociationMember2009 - Present
Washington State Bar Association, Construction Law SectionMember2005 - Present
Montana State BarMember1999 - Present
Idaho State Bar AssociationMember1998 - Present
Spokane County Bar AssociationMember1997 - Present
Washington State Bar AssociationMember1997 - Present
Leadership Spokane Alumni AssociationPast President and Board Member2003 - 2006
Legal cases
Case nameOutcome
United Materials of Great Falls, Inc. v. Great Falls International Airport AuthorityJury verdict in excess of $2 million
See all legal cases 
School nameMajorDegreeGraduated
University of Oregon School of LawLawJD - Juris Doctor1996
University of WashingtonHistoryBA - Bachelor of Arts1994
Speaking engagements
Conference nameTitleDate
Construction Law 101Insurance in the Construction Setting2014
7th Annual Construction Law InstituteTo Arbitrate or Not to Arbitrate: A Case Study2011
WSBA Construction Mid-Year EndEthical Issues in Pass-Through Claims2010
Prevailing Wage LawWhen Prevailing Wage Laws Apply and Factors Affecting Prevailing Wages2010
WSBA Construction Law Year EndAttorney's Fees and Interest in Construction Disputes2009
Mike M. Johnson Decision: Where are we Now? Where are we going?Case Summary: Cases Leading Up to Mike M. Johnson and Since Then2007
Construction Lien LawPrivate Lien Claims and Public Works Bond Claims (Idaho)2007
Construction Management/Design-Build in IdahoLegal Relationships in Design-Build and Construction Management2006
Fundamentals of Construction ContractsProject Delivery Systems; Dispute Resolution2005
Construction Law Year ENdKiller Clauses in Construction Contracts2005
Design-Build in WashingtonDesign-Build in Federal Sector; Surety Bond Claims; Comparing Standard Forms2004
Construction Management/Design-Build in WashingtonDesign-Build in Public Works Contracting2003
Relief From Your Litigation HeadachesConstruction Law Issues (Warranties, Indemnity, Other Remedies)2002
Washington Construction IssuesClaims and ADR; Change Order Issues2001
Construction Liens, Claims & RetainageState of Idaho Lien Laws2000
Construction Lien Law in WashingtonClaims Against Public Works Bonds on Federal Projects2000