About Us

We’ve Pursued the Same Goal Since the Beginning.

No matter the size of project, Blackstone is committed to building a strong relationship that is rooted in trust and integrity. This is achieved through transparency of budget and timeline. We effectively provide the best quality in service throughout every phase of your project.






About Blackstone

We Have a Long and Successful History.

With a combined over 60-year history of excellence, Blackstone is united by a clear mission; to deliver only the best in construction services. Our crew consists of architects, master tradesmen, litigation support experts, forensic field investigators and many more industry professionals. From new development to post -litigation construction, Blackstone is proud to offer a complete range of construction services. Whether a private development or high-end home owner, you choose Blackstone knowing you will receive the best in quality and customer service.

Blackstone brings construction experience to the litigation world. From field investigation to trial we provide customers with top quality customer service and professionalism. Blackstone offers a variety of services to clients including construction and design defect investigation, cost estimation, code compliance analysis, and expert witness testimony. Together with our skillful team we bring expertise, backed by years of construction experience and extensive knowledge, providing credibility and exceptional attention to detail at every turn.

Owners of Blackstone Developments Inc.
  • Fitting the Metal Lath

  • Stacked lumber waiting for installation

    Stacks of Trim

  • Construction workers with hard hats taking notes and planning

    Safe Communication Environment

  • Materials for installation

    Metal Lath for Building Walls

  • Man standing at base of scaffold

    Scaffold Inspector

  • Large Scale Renovation Project

    Scaffold and Materials

Construction Zone

Our Work Areas Have Been Designed for Safety and Productivity.

We take safety seriously and our impeccable track record speaks for itself. We continue to strive for a safe, efficient workplace for our crew.

Delivering the very best in service to your vision.

A Wide Range of Construction Services.

Together with our knowledgeable crew, and our skilled network of subcontractors, we offer a vast range of services with a large range of in-house capabilities.


Consulting and Testing

Blackstone is uniquely positioned to represent owners, developers, and sub-contractors in all aspects of construction defect and post-construction issues related to assemblies.

  • Construction and Design Defect Investigation
  • Cost Estimation
  • Code Compliance Analysis
  • Expert Witness Testimony

Construction and Development

We pride ourselves on our ability to deliver the best in quality and customer service. Together we can build the best in service to your vision. Whether you have plans already or know what you need but have no idea where to begin, Blackstone will execute your project to your specifications and timeline while offering our expertise at every project stage.

  • General Contracting
  • Renovations

Project Management & Reconstruction

Whether its an end-to-end build or a reconstruction our clients rely on our profound project management expertise and abilities. Our capacity to not only support you through the litigation process but offer general contracting services with a deep understanding of reconstruction provides us with a hands on edge you don’t want to pass up.

  • Reconstruction Repair
  • Scope, Preparation, and Execution

Our Construction Team Takes Care of the Entire Litigation & Repair Process

David Tognela and Tom Hastings pose in front of street sign
Crew Foreman Surveying the Site
Premium Materials used by Blackstone Developments
At Blackstone, we believe that great people make a great team. That’s why we put an emphasis on attracting and retaining top industry professionals in various construction fields. We believe in diversity and excellence and it’s that commitment that has brought us to where we are today.

Stay Up to Date With News, Inspirations and Events

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


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

Hours of Operation

Mon to Fri 8 am - 5 pm
Weekends Closed

© 2023 Blackstone Development Inc., All Rights Reserved.
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