Documentation and Data Dictionaries
Last updated: September 1, 2026
ATTOM supports several options for bulk data delivery. This article explains the available file formats, delivery methods, and as well as supporting documentation around data dictionaries, layouts, and code tables.
Documentation and Data Dictionaries
The most comprehensive resource for bulk delivery documentation, data layouts, field dictionaries, coverage reports, and field population details is ATTOM Nexus. You will need to create a free account to access the documentation.
Sign up at nexus.attomdata.com/signup using the email address associated with your ATTOM account.
Delivery method details are available at nexus.attomdata.com/delivery.
Dataset-specific documentation (including field layouts) is available at nexus.attomdata.com/datasets.
Need Help?
Contact ATTOM Technical Support at datacustomercare@attomdata.com.