Principal, Blackstone Development, Inc.

David Tognela

As the founder of Blackstone, David brings his expertise and passion for the industry to every project the company takes on. With an unparalleled commitment to quality, David’s dedication to providing the best construction and development services to his clients shines through. David excels in providing construction defect consulting services; litigation support, expert testimony and depositions, expert witness services.

Since founding Blackstone, his reputation and company have grown to be one of California’s most highly-sought after construction and development companies. Never losing sight of his love for the industry, David has hand selected a crew of professionals who reflect his dedication, attention to detail, and commitment to deliver nothing but the best.

Degrees and Designations:

  • California Licensed General Contractor – Class B & C27
  • BA Degree in Construction Management

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We deliver only the best in Construction and Construction Defect Litigation services.


1220 Oakland Blvd. Suite 210
Walnut Creek, CA 94596
Tel +1 925-718-3126

Hours of Operation

Mon to Fri 8 am - 5 pm
Weekends Closed

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