Joseph M. Sweeney

Attorney Profile

Top Rated Construction Litigation Attorney in Los Gatos, CA

Sweeney Mason Wilson & Bosomworth
 | 983 University Avenue Suite 104C, Los Gatos, CA 95032
Phone: 408-356-3000
Selected To Super Lawyers: 2017 - 2019
Licensed Since: 1977
Practice Areas:
  • Construction Litigation: Business (70%),
  • Real Estate: Business (30%)
Attorney Profile

Attorney Joseph M. Sweeney is a shareholder at the law firm of Sweeney, Mason, Wilson & Bosomworth in Los Gatos, California. Mr. Sweeney has over four decades of experience in construction and real estate law, on both the transactional and litigation sides. He serves clients in San Francisco, Oakland, Santa Cruz and throughout Monterey, San Mateo and Santa Clara counties.

Mr. Sweeney handles complex construction and real estate matters and has substantial experience with negotiation, litigation and mediation. A former real estate broker, over the course of his career, he has litigated real estate disputes involving leases, loan documents, non-disclosure agreements and purchase agreements. He also has experience with cases involving breach of contract, fraud and lost productivity. His clients include contractors, design suppliers, developers and material suppliers.

In recognition of his accomplishments and successful legal career, Martindale-Hubbell awarded Mr. Sweeney their highest available rating of AV Preeminent*. In addition to his practice, over the years he has held many leadership roles in his community and is a former board member of several organizations including the American Subcontractors Association of the Bay, St. Mary of the Immaculate Conception School, the Los Gatos Christmas Foundation and the Los Gatos Chamber of Commerce.

Mr. Sweeney earned a bachelor’s degree in business with an emphasis in accounting from the University of Notre Dame. He earned his law degree from the University of San Francisco School of Law, graduating magna cum laude. He obtained his license to practice law in 1977, which made him eligible to appear before all California state courts.

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Rating™ fall into two categories – legal ability and general ethical standards.

Practice Areas
Lawyer Practice Area Pie Chart

Construction Litigation (70%)

Real Estate (30%)


Selected to Super Lawyers for 3 yearsbottom-image

Super Lawyers: 2017 - 2019

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About Joseph Sweeney

Admitted: 1977, California

Professional Webpage:


  • McAuliffe Honor Society, University of San Francisco School of Law, 1977
  • AV Preeminent rating, Lexis-Nexis Martindale-Hubbell

Bar/Professional Activity:

  • University of Notre Dame Alumni of San Jose and Silicon Valley
  • Boards of AGCC (Santa Clara District)
  • American Subcontractor Association Bay Area Chapter (ASA)

Pro bono/Community Service:

  • Los Gatos Christmas Foundation
  • St. Mary’s School of Los Gatos, Los Gatos Chamber of Commerce

Educational Background:

  • University of Notre Dame, BA in Business Administration and an emphasis in Accounting, 1974
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Office Location for Joseph M. Sweeney

983 University Avenue Suite 104C
Los Gatos, CA 95032

Phone: 408-356-3000

Joseph M. Sweeney:

Last Updated: 10/11/2019

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