Legal

Terms of Use

Last updated October 15, 2026.

At a glance

  • Using this website or sending us an inquiry does not make you our client or retain us as your expert.
  • Do not send confidential case information until an engagement is agreed in writing.
  • The information on this site is general. It is not legal, engineering or other professional advice for your situation.

01Acceptance of these terms

These Terms of Use govern your use of dehaanassoc.com, operated by de Haan & Associates Construction Consulting, Inc.. By using the website you agree to them. If you do not agree, please do not use the website.

02No professional relationship

Visiting this website, reading its content, or contacting us through it does not create a client, consultant or expert witness relationship with de Haan & Associates. We are retained only through a written engagement agreement signed by both parties.

03Information you send us is not confidential

Please do not send confidential or privileged information through this website or by unsolicited email. Information you send before an engagement is agreed is not treated as confidential, creates no duty of confidentiality, and does not prevent us from being retained by another party in the same or a related matter.

04General information only

The content of this website is general information about construction, building systems and our services. It is not legal, engineering or other professional advice, and it may not reflect the conditions, codes or laws that apply to a particular property or dispute. Do not act on it without advice from a qualified professional who has reviewed your situation.

05Credentials

California Class B, License #882824. Arizona KB-1 Dual Building Contractor, ROC341972. Montana Independent Contractor, IC#402737IC.

06Intellectual property

The website and its content, including text, graphics, the de Haan & Associates name and mark, and the site’s design, belong to de Haan & Associates or its licensors and are protected by copyright and trademark law. You may view and print pages for your own reference. Any other copying, reproduction or reuse requires our written permission.

07Acceptable use

You agree not to:

  • Use the website in violation of any law or regulation
  • Attempt to gain unauthorized access to the website, its servers or any connected system, or probe, scan or test their vulnerability
  • Interfere with the website’s operation, including by sending automated or excessive requests
  • Submit false information or impersonate another person through the inquiry form

Links to other websites are provided for convenience. We do not control and are not responsible for their content or practices.

09Disclaimer

The website is provided “as is” and “as available,” without warranties of any kind, express or implied, including warranties of accuracy, completeness, merchantability, fitness for a particular purpose and non-infringement. We may change or remove content at any time.

10Limitation of liability

To the fullest extent permitted by law, de Haan & Associates will not be liable for any indirect, incidental, special, consequential or punitive damages, or any loss of data, profits or business, arising from your use of or inability to use the website or its content.

11Governing law

These terms are governed by the laws of the State of California, without regard to its conflict of laws rules.

12Changes and contact

We may update these terms by posting a new version here with a new date. Questions: info@dehaanassoc.com or 510.815.4421.