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US Parcel Boundary Data
Nationwide parcel boundaries plus standardized parcel attributes—delivered in modern formats and enriched with SmartyKey® to help connect parcels and addresses across Smarty’s platform.
Download our standard sample
Need a Shapefile sample? Send us a message.
Clean data from every county
We collect, standardize, and update nationwide parcel data so you can spend less time wrangling fragmented inputs and more time making decisions.
Built for modern GIS and analytics pipelines
Choose delivery formats that fit how your team works, whether you’re loading into GIS tools, data lakes, or both.
Make parcels easier to connect
With SmartyKey® included, you can more easily tie parcels/addresses to Smarty’s other datasets and APIs as part of a broader enrichment strategy.
Parcel geometry (with a side of special sauce)
US Parcel Boundary Data comes with 110+ parcel attributes for fast categorization and analysis.
| Field name | Field description | Data sample | Final data |
|---|---|---|---|
| Parcel number formatted | Parcel ID used to reference a property in county systems (APN-style identifier). | ||
| Structure | Indicates whether a structure exists on the parcel. | ||
| Structure count | The number of structures associated with the parcel. | ||
| Use description | Parcel use description (high-level “what is this property used for?”). | ||
| Zoning description | Zoning description (high-level “what’s allowed here?”). | ||
| Acres calculated | Calculated parcel acreage (lot size). | ||
| Building square footage | Assessor-recorded structure square footage. | ||
| Market value | Total parcel value in USD (when present in source). |
Data you can bring home to Mom
Industry-leading parcel coverage
Counties covered
+
Standardized parcel attributes
M+
Verified US addresses
M+
Non-USPS addresses
Key features that reduce the parcel data integration tax
Friction-free parcel data that gets you from "data acquisition" to "data use" faster.
State or national purchase options
Buy at the scope you need without stitching thousands of county sources.
Quarterly or yearly update cadence
Keep parcel data current with a predictable refresh schedule that matches your operational cadence.
National file delivery: Parquet with WKB
A practical option for large-scale analytics and geospatial workflows.
State + county delivery in multiple formats
Parquet, CSVWKT, GeoJSON, GeoPackage—and Shapefile for county deliveries.
Includes SmartyKey, a persistent unique identifier
Make parcel-to-address connections easier across Smarty’s platform and third-party data.
Sample file generation for evaluation
Validate fit early with a sample file before rollout.
How can US Parcel Boundary Data help your industry?
Insurance
Parcel boundary data strengthens underwriting and property risk workflows—without county-by-county sourcing. Use parcel boundaries and property attributes for parcel-level analysis and hazard risk modeling.
Healthcare
Healthcare runs on clean location data. US Parcel Boundary Data provides nationwide parcel boundaries and standardized parcel attributes in a normalized dataset for planning and analysis at state or national scale.
Telecom
Telecom planning gets messy fast across large territories. US Parcel Boundary Data delivers nationwide parcel boundaries and property attributes in a normalized dataset—so teams can plan and analyze without stitching county sources together.
Finance
Property-backed analysis needs consistent parcel boundaries and attributes across regions. US Parcel Boundary Data provides nationwide parcel boundaries and standardized parcel attributes at state or national scale, delivered in GIS-ready formats.
Real Estate
Parcel boundaries power valuation and site selection workflows. Use land attributes for valuation modeling and site selection using lot size, zoning, and land use—without the county-by-county sourcing headache.
How others are using Smarty
When accurate, mailable addresses, and smooth UX matter more than POIs, teams choose Smarty.
Here’s what you get:
Here’s what you get:
US Parcel Boundary Data
US Parcel Boundary is available per county and state or as a nationwide data set. Contact us for a quote or download a sample (kick the tires before you light the fires).Free Sample
16,000addresses
Full Data Set
122,000,000+addresses
County, State, or National data Quarterly or yearly update cadence Available in Parquet, CSVWKT, GeoJSON, GeoPackage Shapefile for county deliveriesFAQ
What is US Parcel Boundary Data?
US Parcel Boundary Data is a normalized dataset that delivers nationwide parcel boundaries and standardized parcel attributes to support geospatial analysis and decision-making.
Can I buy the dataset by state or nationwide?
You can purchase US Parcel Boundary Data at the county level or national level.
How often is the data set updated?
You can choose between yearly and quarterly updates.
What file formats do you support?
National delivery: Parquet files with WKB.
State/county delivery: Parquet, CSVWKT, GeoJSON, GeoPackage, and Shapefile (county only).
State/county delivery: Parquet, CSVWKT, GeoJSON, GeoPackage, and Shapefile (county only).
What’s included besides parcel boundaries?
Alongside parcel geometry, the dataset includes standardized parcel attribute fields to support analysis beyond polygons alone.
Can I evaluate the dataset before purchasing?
Yes. Smarty can generate a sample file so your team can validate schema, geometry, and workflow fit before rollout.
Does the dataset help connect parcels to addresses?
Yes. The dataset includes SmartyKey, which helps connect parcels and addresses across Smarty’s platform and datasets/APIs. This is especially useful when multiple parcels relate to a single address, helping you link and analyze those relationships more consistently.
More FAQs
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