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Clifford Horner | Walnut Creek Real Estate Lawyer

Clifford Horner Lawyer

Clifford Horner

Horner & Singer is a business and commercial real estate law firm.

Lawsuit & Dispute, Real Estate

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Horner & Singer, LLP is a business and commercial real estate law firm that focuses on all transactional and litigation aspects of the development, ownership, operation, management, leasing, finance and purchase and sale of commercial real estate as well as corporate and business formation and disputes. The Horner & Singer litigation team, led by Mr. Horner, focuses on the areas of purchase and sale litigation, lease and other contract litigation, unlawful detainer and lease remedy litigation, construction disputes and general business and commercial litigation on behalf of owners, tenants, brokers, investors, contractors and business owners. Mr. Horner has a specific expertise in the area of lease litigation and unlawful detainers as well as broker liability and represents some of the largest public and private commercial landlord and broker/management companies in all aspects of their litigation.

The Horner & Singer transaction team, led by Mr. Singer, focuses on the purchase and sale, leasing and finance of all types of commercial real estate. Mr. Singer has a specific expertise in commercial leasing, is the author of some of California's leading treatises, and his practice consists in substantial part of large scale retail lease transactions. Mr. Singer has been the lead attorney on many ground-up retail lease projects throughout California, and represents several fortune 500 national landlords and tenants.

As a true commercial real estate "boutique", Horner & Singer offers the highest level of client service, experience and work-product that is on par with the national law firms, and a competitive rate structure. With an average of 16 years of commercial real estate experience, the attorney working on your matter will be a fierce advocate tempered with the right amount of common sense and sharp business intuition to make them your ideal adept problem-solver.

Position Organization Location Duration
Partner Morgan, Miller & Blair Walnut Creek, CA N/A
Partner Berding & Weil Walnut Creek, CA N/A
School Degree Major Graduation
University of California, Hastings College of the Law J.D. Law School N/A
California Polytechnic State University BS Business Administration 1986
State / Court Date
California 12/16/1991
  • Mr. Horner is the former President and served on the Board of Directors of the Real Estate Section of the Contra Costa County Bar Association; serves on the Board of the East Bay Building Owners and Managers Association, served on the CEB Real Property Advisory Committee; served as president of the Contra Costa Chapter of the University of California, Hastings College of the Law Alumni Association; served on the Board of Governors of the Hastings Alumni Association; served on the Board of Directors of the Walnut Creek Chamber of Commerce and chaired its Civic Affairs Committee; serves on the Board of the Cal Poly Rugby Alumni Association; active member of the International Council of Shopping Centers and the Building Owners and Managers Association; and is a member of CEB's Civil Litigation Advisory e-Panel.
  • -Represented publicly traded company in patent assignment dispute.
    -Represented networking company in trade secret misappropriation and breach of nondisclosure agreement case.
    -Represented multi-national technology company in action against ex-employees for theft of trade secrets, and trademark and trade name infringement action.
    -Has represented publicly traded company in multi-million dollar contract disputes.
    -Successfully prosecuted wrongful termination employment action against Fortune 500 Company.
    -Represented venture capital investors and major shareholders in board of directors and company control disputes.
    -Successfully defended national brokerage firm resulting in complete dismissal of case by Court in suit seeking $3 million damages in commercial real property sale in 2013.
    -Successfully prosecuted real estate fraud action obtain $2.7 million verdict after 3-week jury trial in November 2010.
    -Successfully defended a real estate brokerage firm and its agents at trial against allegations of fraud in the sale of a shopping center. -Successfully defended a REIT in a trial alleging fraudulent transfer of assets and breach of lease.
    -Represents numerous commercial property owners and managers in tenant eviction, collection and other actions.
    -Represented commercial tenant against landowner who refused to consent to tenant's proposed multi-million dollar leasehold improvement project.
    -Successfully prosecuted fraud action against a commercial real estate broker in a multi-property investment transaction.

  • -"California Landlord-Tenant Practice", General and Special Consultant, California Continuing Education of the Bar two-volume publication (1998 – Present);
    -"California Real Estate Brokers: Law and Litigation", Author Chapter 4 entitled "Broker Liabilities to Principals and Third Parties," California Continuing Education of the Bar two-volume publication (June 2009-present), awarded 2010 Outstanding Achievement as Best Publication by Association for Continuing Legal Education (ACLEA)
    -"California Eviction Defense Manual", California Continuing Education of the Bar two-volume publication, Author Chapter 19 entitled "Special Considerations Governing Evictions in Commercial Tenancies" (1999-present);
    -"A Landlord's Decision to Pursue Breach of Lease Damages - Art or Science?", Author, BOMA San Francisco Fall 2010 Bulletin;
    -"Law and Risk Management", Real Property Manager Textbook, expert consultant, BOMI Institute International publication, 2006 edition;
    -"Approaching an Action against a Real Estate Broker", Author, California Continuing Education of the Bar, Action Guide (2001 and 2006 editions);
    -"When Will a Landlord's Notice of Non-Responsibility for Tenant Improvements Fail? The $2.4 Million Question, (Howard S. Wright v. Superior Court, BBIC Investors, LLC) 106 Cal App. 4th 314" , Author, Contra Costa Lawyer (July, 2003 edition);
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Clifford Horner has been a Premium Member since March 14, 2017.
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Verified Credentials Date Verified
(1991) Licensed as Attorney in California. Verified with California Bar Association. March 17, 2017

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Service Type:Private


800 S Broadway
Suite 200
Walnut Creek, CA 94596

Other Locations:
  • Serving Walnut Creek, CA and the surrounding area.


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