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About Me

Mr. Lowenthal is a business and real estate attorney in Davis, California. He is the principal attorney with Lowenthal, APC.


As a business attorney, Mr. Lowenthal has represented entrepreneurs, small businesses and companies at every stage of development, from early-stage start-ups to global corporations, as well as the investors that finance and advise them. With a focus on serving Northern California - one of the largest technology hubs in the world - Mr. Lowenthal primarily represents small to midsized companies as outside general counsel. The range of legal services he offers includes business entity formation, early-stage fundraising, later-stage finance, IP registration and protection, internal and external contract negotiation and preparation, internet and other industry-specific agreements, internal dispute resolution, sales and acquisitions, and much more. Although Mr. Lowenthal's services are typically offered in a supportive and preventative context, he also represents his clients after the fact in complex business litigation matters, including contract disputes, business separations, shareholder rights, fraud, conversions, and other torts.


As a real estate attorney, Mr. Lowenthal has assisted individual property owners, trusts and estates, asset managers, and investors with a variety of legal matters, including, but not limited to, co-ownership matters, zoning and land use, sales and acquisitions, taxation, loans and finance, and syndicated projects. As a real estate broker, Mr. Lowenthal also assists clients with the purchase and sale of real property through Lowenthal Realty - a unique real estate brokerage in Davis, California. More information about Lowenthal Realty and Mr. Lowenthal's brokerage services may be found at


In addition to his career as an attorney, Justin is an entrepreneur and investor himself, a volunteer, a husband and a father.


Photos and Videos

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Practice Areas


  1. Business: 40%
    5 years
  2. Real Estate: 40%
    5 years
  3. Corporate & Incorporation: 20%
    5 years



Hourly ($275-305/hour), Contingent (20-40%), Fixed (Sometimes), Retainer (Sometimes), Free Consultation (15 minutes), Pro Bono (10%)

Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

16 total 

  • Kevin A Fard

    Justin is a bright, thoughtful, hard-working attorney whom I have known for over a decade. I fully endorse Justin 100% as a dedicated advocate for his clients and a great guy!


    Kevin Fard DUI & DWI Attorney
    Relationship: Friend

  • Michael Raymond Daymude

    I have been reading Justin's answers on Avvo for sometime now. He sure knows his business, especially for a relatively new lawyer. If you need an attorney in the Davis area, you would be well-served to allow Mr. Lowenthal to represent you.


    Michael Daymude Litigation Attorney
    Relationship: Fellow lawyer in community

Contact Info



Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Work Experience
TitleCompany NameDuration
General CounselDavis Chamber of Commerce, Inc.2014 - Present
ShareholderLowenthal, APC2013 - Present
Principal Broker, REALTORLowenthal Realty2010 - Present
General CounselQuicklegal, Inc.2014 - 2014
AttorneyLowenthal Law Office2010 - 2014
Association NamePosition NameDuration
National Association of RealtorsRealtor2015 - Present
Davis Chamber of CommerceDirector2014 - Present
Association of Entrepreneurial AttorneysMember2014 - Present
Davis StartupsMember2012 - Present
Military Pro Bono ProjectAttorney Member2012 - Present
Yolo County Bar AssociationAttorney Member2011 - Present
California Lawyers for the ArtsAttorney Member2011 - Present
California Bureau of Real EstateBroker2010 - Present
School NameMajorDegreeGraduated
Lincoln Law School of SacramentoLawJD - Juris Doctor2010
California State University, SacramentoCriminal JusticeBS - Bachelor of Science2006
Speaking Engagements
Conference NameTitleDate
Weekly Meeting - Featured PresentationThe Three Major Aspects of Business Law2012
Weekly Meeting - Featured PresentationIf You Don't Have an Estate Plan, the State Has One For You2011
Weekly Meeting - Featured PresentationEstate Planning: "Putting it Off" Should Not Be Your Plan2011
Weekly Meeting - Featured PresentationProbate and Estate Planning2011