Skip to Main Content View Text-Only

Office of Management & Finance

Bureau of Technology Services

Front Desk: 503-823-5198

BTS HelpDesk: 503-823-5199

1120 SW 5th Avenue, Suite 450, Portland, OR 97204

GIS / PortlandMaps Questions

First, you must split your question into either a data related question or issue or a technical question/issue.

Data Questions / Problems

Metro Data Resource Center (DRC) 503-797-1742, publishes an updated regional land information dataset (RLIS) each quarter. GIS data downloads are available at no-cost, and a subscription service offers additional data and web services . Metropolitan area maps, aerial photos, and high resolution digital imagery are available for purchase. Inquire about custom RLIS-based maps and data product options.

Multnomah County Assessment & Taxation can deal with any questions or issues with assessor data. If you see your property information on the assessor page of PortlandMaps is wrong, you will need to contact the Multnomah County A&T to get it fixed.

If you have a question or request related to Crime datasets (exluding Sexual Offender data), Portland Police Bureau - Planning and Support can help you. You can reach them by their web site or by calling 503-823-4636.

City of Portland Bureau of Planning, 503-823-7700, can assist in questions related to Zoning in the Portland area.

Technical Issues

For all other questions or issues related to usage problems in, please email our support address: