Providing Legal services to individuals and businesses for more than 35 years throughout Southern California. The Law Offices of Daniel J. Cooper, a professional corporation, was founded in 1980 and specializes in Estate Planning, Trust Administration, Probate, Conservatorships, and Trust & Will controversies, including elder abuse, as well as other areas of law.  The goal of the firm is to provide quality legal services to clients, their families and closely held businesses.

Daniel J. Cooper is joined by his staff, associate attorney, paralegal,  secretary and bookkeeper to offer our clients legal services based on years of professional experience in the various areas of the firm’s legal practice -

  • Estate Planning
  • Trust Administration/Probate
  • Trust & Will Controversies
  • Formation of Business Entities

Complementing our staff at the Law Offices of Daniel J. Cooper is our use of the latest technical programs and systems to enhance and facilitate timely and complete service in a cost-effective manner.

The Orange County office in Laguna Hills and the Riverside County office in the city of Temecula,  provide convenient access for our clients. We  do offer Zoom appointments and all staff has been vaccinated.

The goal of The Law Offices of Daniel J. Cooper is to provide personalized legal counsel at competitive cost.  We accomplish this through knowledge, experience, training, commitment and focused practice areas.

The staff of The Law Offices of Daniel J. Cooper is also committed to genuine care and concern for our clients.  Clients are assured not only of cost effective legal services, but we are also proud of our friendly staff and caring atmosphere.  Clients are assured not only of cost effective legal services, but also of the utmost care, hospitality and confidentiality in all dealings with our law firm.

Contact us

To schedule a free initial consultation, call the Law Offices of Daniel J. Cooper at (949) 859-8456 in Orange County, and at (951) 676-1896 in Riverside County today, or contact us online.

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Office Locations

  • Primary Location


    24012 Calle De La Plata
    Suite 410
    Laguna Hills, CA 92653

  • Temecula Office


    41593 Winchester Road
    Suite 200
    Temecula, California 92590