Boundary Solutions, Inc.
 Custodians of the NPDP
National Parcelmap Data Portal  


Boundary Solutions Inc. began assembling the National ParcelMap Data Portal (NPDP), 16 years ago. It was the first current normalized digital GIS parcel map database sourced through jurisdictions throughout the United States.

This national GIS parcel map content service includes seamless coverage for 95% of all urban counties. We have seamless coverage of several states and most remote areas.

Terms and conditions for acquiring more jurisdictions are in place for a total of 136 million parcels.

NPDP content comes with extensive tax roll attributes, including US Postal Service compliant situs (actual) street addresses, valuation, use codes, owner information, year built, unit sales information and many other property characteristics.




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The NPDP Advantage

  • Lowest Price —online or download. See how BSI saves you money on small and bulk orders. Go to our order page.

  • Perpetual License. Subscribe once, use forever. Pay update fees only when you need it.

  • Most Current. Far greater percentage of all content < 12 months old.

  • Detailed Metadata. Metadata includes version, completeness, ACC, %own, %situs, %use code & %characteristics ( such as value, year built, floor area, use code, and more).

  • US Postal Service compliant (10 field) situs. Ten matched fields - perfect joining to other SPS compliant records

  • Change Detection. Acquire digital parcel data for same area for 2010, 2011, 2012, 2013, 2014,2015, 2016 and 2017

  • IP Advantage. Comes with right to locate an address within a national parcel layer by displaying its parcel boundary: Patents 7,092,.957, 7,516,156, & 9,501,209.

Is it Expensive?

Visit our order page and select your parcel maps from 180 metropolitan areas. Let us know what you want. Receive an instant quote. Be surprised by the low price. Don’t see what you need? Call us at 415-381-1750. Our database is constantly being updated.


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