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Keith Alan Gantenbein Jr.

About me


Mr. Gantenbein, of Gantenbein Law Firm,  is a nationally-recognized, award-winning attorney, has been featured in national and local news, a frequent speaker in the Colorado community regarding real estate issues, a published author, and has helped with the recent drafting and passing of Colorado legislation helping Colorado homeowners. 


Keith Gantenbein has represented HOAs and major lenders in the mortgage industry while working at the largest HOA firm and the largest foreclosure firm in Colorado. Mr. Gantenbein opened his own firm in 2011, determined to help fix the Colorado foreclosure and banking industry. In addition to an extensive banking and mortgage background, Mr. Gantenbein also has extensive experience in collections, landlord/tenant law, commercial litigation, contracts, real estate, HOA law and bankruptcy law. 


Mr. Gantenbein has expanded his firm, the Gantenbein Law Firm, to include consumer rights' issues, including Real Estate Law, Foreclosure Defense, HOA Defense, Tax Law, Business Law, & Credit Dispute & Repair. Gantenbein Law Firm is now considered to be one of the premier consumer rights' law firms in Colorado.


Contact the Gantenbein Law Firm at 303-618-2122, or visit our website at


Languages spoken: English, Spanish

Photos and videos

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Practice areas


  1. Real Estate: 34%
    7 years
  2. Business: 33%
    7 years
  3. Tax: 33%
    7 years



Hourly ($200-350/hour), Fixed (sometimes), Retainer (always)

Payment types:

Cash, Check, Credit card

Attorney endorsements

10 total 

Are you an attorney? Endorse this lawyer

  • Robert F Gauss

    I endorse this lawyer. I have sought assistance from this lawyer relative foreclosure issues which my clients face, and recommend him highly.


    Robert Gauss Chapter 7 Bankruptcy Attorney
    Relationship: Fellow lawyer in community

  • Alec Joseph Solomita

    Mr. Gantenbein is at the forefront of foreclosure defense and has been recognized nationally for his excellent work in that area. In addition, his strong integrity and work ethic make him an ideal attorney for anyone in need of legal services.


    Alec Solomita Bankruptcy & Debt Attorney
    Relationship: Fellow lawyer in community

Contact info

Gantenbein Law Firm

1760 Gaylord Street
Denver, CO, 80206


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Rising StarSuperLawyers2015
Lead Counsel Rated AttorneyLead Counsel2015
"10" out of "10" RatingAvvo2015
Client Choice Award, 2014Avvo2014
Client Choice Award, 2012Avvo2012
Work experience
TitleCompany nameDuration
AttorneyGantenbein Law Firm2011 - Present
Attorney, Managing PartnerGoldman Gantenbein, LLC2013 - 2014
AttorneyCastle Stawiarski2009 - 2011
AttorneyHindman Sanchez, PC2007 - 2009
Association namePosition nameDuration
Denver Bar AssociationMember2014 - Present
American Bankruptcy InstituteMember2014 - Present
Colorado Consumer Bankruptcy AssociationMember2013 - Present
Colorado Bar Association, Solo Small Firm Practice SectionMember2010 - Present
American Bar AssociationMember2007 - Present
Colorado Bar AssociationMember2007 - Present
Legal cases
Case nameOutcome
Hundreds of cases helping homeownersN/A
See all legal cases 
Publication nameTitleDate
Mortgage OrbThe CFPB's Consumer Complaint Narratives: How Damaging Are They?2015
American Bankruptcy Institute (ABI) JournalABI Rocky Mountain Conference CLE Material, 20152015
American Bankrupcty InstituteABI Rocky Mountain Conference CLE Material, 20142014
Denver PostDenver Post article2014
Denver PostDenver Post article2014
Channel 7 NewsChannel 7 News Appearance2013
Mortgage Lending InstituteForeclosure System in Colorado2013
Fox NewsFox News Appearance2013
Denver PostDenver Post article2013
Denver PostDenver Post article2013
Denver PostDenver Post article2013
AOLFront page of aol.com2013
Denver PostFront Page of Denver Post2012
American Bar Association JournalABA Journal article2012
Fox NewsFox News Appearance2012
Denver PostDenver Post article2012
Mortgage Banking Attorneys (USFN) ReportProtecting Tenants at Foreclosure Act2011
School nameMajorDegreeGraduated
Barry University Dwayne O. Andreas School of LawLawJD - Juris Doctor2007
Colorado State UniversityEnglishBA - Bachelor of Arts2003
Speaking engagements
Conference nameTitleDate
Supreme Court of Colorado, Civil Rules Sub-CommitteeSupreme Court of Colorado, Civil Rules Sub-Committee, In Re: Rule 1202015
Pro Bono Legal ClinicLandlord/Tenant Legal Issues, sponsored by Brothers ReDevelopment & Colorado Housing Connects2015
National Business Institute: Loss Mitigation/Loan Modification, Refinancing and Foreclosure- New State and Federal RequirementsTop RESPA, TILA and HMDA Oversights: What the CFPB and State Regulators are Looking For, Sponsored by NBI2015
National Business Institute: Leaves of Automatic Stay, Court Dismissals in BankruptcyTop 9 Complications in Bankruptcy, Sponsored by NBI2015
Continuing Education seminar for Colorado RealtorsNew CFPB Rules for Loan Estimates and Closing Disclosures2015
Colorado Housing Connects, Focus Points Family Resource CenterPro Bono Legal Clinic for Spanish-Speaking Denver Community regarding Renter & Tenant rights2015
American Bankruptcy Institute20th Annual Rocky Mountain Bankruptcy Conference2015
University of Colorado Law School, Foreclosure Crisis SeminarForeclosure Crisis Seminar2014
Supreme Court of Colorado, Civil Rules Sub-CommitteeSupreme Court of Colorado, Civil Rules Sub-Committee, In Re: Rule 1202014
Colorado SenateHouse Bill 11302014
Colorado SenateHouse Bill 12952014
Colorado Public Trustee ConventionDual-tracking & HB14-1295 and the Public Trustee Role2014
Colorado General AssemblyHouse Bill 11302014
Colorado General AssemblyHouse Bill 12952014
Colorado Foreclosure Prevention Task ForceIndustry update in Real Estate and Foreclosure Prevention, specifically regarding loan modification workouts, Legislative updates and industry trends., Speaker, Quarterly Meeting2014
American Bankruptcy Institute19th Annual Bankruptcy Institue CLE, Ethical Implications in the Mortgage Industry2014
Foreclosure Crisis SeminarForeclosure Defense Seminar2013
Colorado General Assembly, 2013HB 12492013
Colorado Bar AssociationForeclosure Defense CLE, Annual CCBA CLE2013
Foreclosure Teach-InForeclosure Defense2012
El Paso Bar AssociationForeclosure Defense CLE2012
Colorado General Assembly, 2012HB 11562012

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