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Terms and Conditions of Use for District Data

These terms and conditions apply only to data, as the term “data” is understood under the US Copyright Act, 17 U.S.C. § 101 et seq., available from the District of Columbia (District) Data Catalog. Data means non-copyrightable information such as facts, figures, map coordinates, etc., that have not been manipulated in some manner to be intellectual property subject to copyright law. It does not apply to any other web content or data that is publicly available, or that appears in any other location on the dc.gov website.

Modification of the Agreement

The District reserves the right to modify these Terms and Conditions of Use for District Data and may do so by posting notice of such modifications on this page. Any modification is effective immediately upon posting, unless otherwise stated. Your continued use of the Sites following the posting of any modification signifies your acceptance of any and all modifications. You should periodically visit this page to review the current Terms and Conditions of Use for District Data.


You agree to access and use the Sites only for lawful purposes.


Unless otherwise noted, the data on the Sites is public domain and made available with a Creative Commons CC0 1.0 Universal dedication. In short, the District waives all rights to the data worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute, and perform the data, even for commercial purposes, all without asking permission. The District makes no warranties about the data, and disclaims liability for all uses of the data, to the fullest extent permitted by applicable law.

Creative Commons Public Domain Designation Creative Commons Public Domain Designation.


While not required, we ask that you give proper credit when using data from the Sites in your own work. An example citation is provided below:

Data retrieved from Open Data DC catalog (https://opendata.dc.gov)

Use of District Logos

The DC.Gov logo (the stars and bars and the word, DC.Gov) and all other District government logos, including agency logos, that appear on this site are official logos of the District of Columbia (District logos) that are not subject to the Creative Commons CC0 1.0 Universal designation.  The District logos may not be used to indicate any endorsement, sponsorship, legal or other affiliation. Any use or reuse of the District logos requires prior written permission from the District of Columbia. For more information, please contact the District’s web team. However, use of the stars and bars alone is permitted without prior permission.

Copyrighted and Trademarked Material

Any copyrighted or trademarked content included on these Sites retains that copyright or trademark protection. You must secure permission for reuse of copyrighted or trademarked content from the owner of the copyright or trademark.

Other Site Links

Some links on the Sites lead to websites that are not operated by the District. The District does not control these websites nor do we review or control their content. The District provides these links to users for convenience. These links are not an endorsement of products, services, or information, and do not imply any association between the District and the operators of the linked website. When you select a link to an outside website, you acknowledge that you are leaving the Sites, and that you are subject to the terms and conditions of the owner/sponsors of that outside website.

Policy on Spamming

You specifically agree that you will not utilize email addresses obtained by using the Sites to transmit the same or substantially similar unsolicited message to 10 or more recipients in a single day, or 20 or more emails in a single week (consecutive 7-day period), unless doing so is necessary for legitimate business purposes. The District, in its sole discretion, will identify violations of the limitations on email usage set forth in these Terms and Conditions of Use. Violations may result in your removal from registered areas, denial of support or services, or other consequences, at the sole discretion of the District.

Disclaimer of Warranty

You expressly understand and agree that your use of the Sites, or any material available through these Sites, is at your own risk. Neither the District nor its employees warrant that the Sites will be uninterrupted, problem-free, free of omissions, free of errors or viruses; nor do they make any warranty as to the results that may be obtained from the use of the Sites or that the information contained on these Sites is accurate or reliable. The content and function of the Sites are provided to you "as is," without warranties of any kind, either express or implied, including, but not limited to, warranties of title, merchantability, fitness for a particular purpose or use, or currency. Each user expressly acknowledges that use of these Sites and their contents is at the user’s sole risk. The District will not be liable for any damages or injury (including but not limited to special or consequential damages) that may result from the use or inability to use of any part of these Sites or from anything submitted or posted by users. These terms will survive any termination of this agreement.

Request for Comments

The District of Columbia Open Government Advisory Group is charged with making recommendations to the Mayor to further lessen restrictions on these Sites and implement appropriate controls on any restricted data.  If you would like to provide comments to the Open Government Advisory Group that would inform their review, please contact The Office of the Chief Technology Officer.