Boundaries DataVisual. Precise. Accurate.
Visual Mapping of Boundary Data Brings Clarity to Decisions
Enhance your business processes with highly accurate location information for various map-oriented applications including listing portals, research tools, business intelligence mapping, public safety, and demographic applications. ATTOM has the most extensive boundary data for more than 155 million properties nationwide with flexible delivery solutions, such as APIs, bulk files, match & append, and more.
ATTOM’s Spatial Boundary Data Is Second to None
ATTOM has the largest database of spatial data for access to area and neighborhood boundaries. It starts with a hierarchy of macro-neighborhoods, neighborhoods, and sub-neighborhoods. The data is defined by multiple authoritative sources such as local government, real estate, tourism, local media, and customer feedback.
Parcel boundary data includes all the properties within a county updated as property boundaries are split, combined, or modified. Parcel boundary data is sourced using geographical information systems (GIS).
Define the area within which students are assigned to regular, neighborhood schools based on their location of residence. These are researched and hand-digitized by our in-house GIS Team.
Define the area within which a school district is financially responsible for the education of resident students. These are researched and hand-digitized by our in-house GIS Team.
This is a multi-level, hierarchical product with boundaries and names which reflect the consensus opinion of local residents. These are researched and hand-digitized by our in-house GIS Team.
This product contains boundaries for purely residential areas, including subdivisions, condos, townhomes, and apartments. These are researched and hand-digitized by our in-house GIS Team.
This dataset includes State, County, County Subdivision, Place, Tract, Block Group, Core Based Statistical Area, and other boundary layers.
Zip Code and Postal City Boundaries are researched and hand-digitized by our GIS Team using information from the United States Postal Service.
This dataset includes Neighborhoods, Residential, Parcels, and Census Boundaries for Canada.
A geospatial database that contains current effective flood hazard data. FEMA provides flood hazard data to support the National Flood Insurance Program and to add transparency to flood risk and types of flooding.
How Can You Use ATTOM’s Boundaries Data?
ATTOM’s Data is Your Business Advantage
A multi-sourced, enhanced national warehouse that contains information on more than 155 million U.S. properties including:
- 29.6 Billion Rows of Data
- 9,000 Data Fields
- 20TB Warehouse
- 99% Population Coverage
Our rigorous Enterprise Data Management Program (EDMP) involves more than 20 steps that validate, standardize and enhance the real estate data we collect:
- Property Address Standardization
- Owner Name Parsing
- ATTOM ID Matching
- Fusion of Multi-Sourced Data
- Data Governance