Related Geographies

Part of the Regrid Parcel Schemas reference. Label definitions, source/standardization value meanings, and live coverage access are on that parent page. ⭐ marks the recommended field for its job; fields marked API Queryable can filter the /parcels/query endpoint (max 4 fields per query).

geoid — FIPS Code

Description: A 5 digit county id number, consisting of the 2 digit FIPS state code + the 3 digit FIPS county code.

Do not use it for: Do not treat as numeric. FIPS codes can have leading zeros.

Units: Code · Valid range: USPS FIPS codes · Example: 06205
Coverage: Nationwide See geoid_pct in the live Coverage Report CSV.
Related docs: https://www.census.gov/programs-surveys/geography/guidance/geo-identifiers.html

Also known as: FIPS code, county code, state and county code (field aliases: county_fips, fips5, state_county_fips)

census_tract — Census 2020 Tract

Description: 2020 Census tract the parcel sits within

How it's made: Spatially matched to Census data
Valid range: See Census TIGER data · Example: 26091061800
Coverage: See census_tract_pct in the live Coverage Report CSV.
Related docs: https://www.census.gov/programs-surveys/geography/guidance/geo-identifiers.html

Also known as: (field aliases: census_tract_code, tract, tract_code)

census_block — Census 2020 Block

Description: 2020 Census block the parcel sits within

How it's made: Spatially matched to Census data
Valid range: See Census TIGER data · Example: 260910618004006
Coverage: See census_block_pct in the live Coverage Report CSV.
Related docs: https://www.census.gov/programs-surveys/geography/guidance/geo-identifiers.html

Also known as: (field aliases: census_block_code, block, block_code)

census_blockgroup — 2020 Census Blockgroup

Description: 2020 Census blockgroup the parcel sits within

How it's made: Spatially matched to Census data
Valid range: See Census TIGER data · Example: 260910618004
Coverage: See census_blockgroup_pct in the live Coverage Report CSV.
Related docs: https://www.census.gov/programs-surveys/geography/guidance/geo-identifiers.html

Also known as: (field aliases: block_group, BG, blockgrp)

census_zcta — Census Zip Code Tabulation Area

Description: The Census Zip Code Tabulation Area (ZCTA) in which the center of the parcel is located.

How it's made: Spatially matched to Census data
Valid range: See Census TIGER data · Example: 70067
Coverage: See census_zcta_pct in the live Coverage Report CSV.
Related docs: https://www.census.gov/programs-surveys/geography/guidance/geo-identifiers.html

Also known as: (field aliases: ZCTA, zip_tabulation_area)

qoz — Federal Qualified Opportunity Zone

Description: Is this parcel in a US Federal Qualified Opportunity Zone

Use it for: Qualified opportunity zones often come with tax breaks

Related fields: qoz_tract
How it's made: Spatially matched
Units: Code · Valid range: Yes/No · Example: Yes or No
Coverage: See qoz_pct in the live Coverage Report CSV.
Related docs: https://www.irs.gov/credits-deductions/businesses/opportunity-zones

Also known as: opportunity zone, qualified opportunity zone, QOZ, tax incentive zone (field aliases: opportunity_zone, QOZ_flag, OZ)

qoz_tract — Qualified Opportunity Zone Tract Number

Description: Census tract number as it was defined in Dec 2018 when QOZs were designated.
Data from: https://www.cdfifund.gov/Pages/Opportunity-Zones.aspx
https://www.irs.gov/newsroom/opportunity-zones-frequently-asked-questions

How it's made: Spatially matched
Valid range: Census tract · Example: 30059000100, 30107000100
Coverage: See qoz_tract_pct in the live Coverage Report CSV.
Related docs: https://www.irs.gov/credits-deductions/businesses/opportunity-zones

Also known as: (field aliases: opportunity_zone_tract, QOZ_tract_code)

census_unified_school_district — Census Provided Unified School District

Description: Census designated "unified" school district responsible for providing education for all children ages 5-17.

How it's made: Spatially matched to Census data
Valid range: See Census TIGER data · Example: St. Marys City School District
Coverage: See census_unified_school_district_pct in the live Coverage Report CSV.

Also known as: (field aliases: UNSD, unified_school_district, school_district_unified)

census_elementary_school_district — Census Provided Elementary School District

Description: Census defined "elementary" school district is responsible for providing education for children ages 5-17. If students are divided by age by the local authorities the younger ages will be reflected here with the older ages reflected in "census_secondary_school_district"

How it's made: Spatially matched to Census data
Valid range: See Census TIGER data · Example: Alhambra Elementary District
Coverage: See census_elementary_school_district_pct in the live Coverage Report CSV.

Also known as: (field aliases: ELSD, elementary_school_district, school_district_elementary)

census_secondary_school_district — Census Provided Secondary School District

Description: Census designated "secondary" school district is responsible for providing education for children aged 5-17 that have been determined by local authories to be above a specified age.

How it's made: Spatially matched to Census data
Valid range: See Census TIGER data · Example: Hoosac Valley School District in Savoy (7-12)
Coverage: See census_secondary_school_district_pct in the live Coverage Report CSV.

Also known as: (field aliases: SCSD, secondary_school_district, high_school_district)

neighborhood — Neighborhood

Description: Neighborhood name

Valid range: Text · Example: Old West Side
Coverage: Tracked on a city level, if tracked at all. Most neighborhoods are informal and not recorded by any government. See neighborhood_pct in the live Coverage Report CSV.

Also known as: (field aliases: neighborhood_name, community_area, NTA)

neighborhood_code — Neighborhood Code

Description: An alpha numeric code labeled from the source as a neighborhood code

Coverage: Tracked on a city level, if tracked at all. Most neighborhoods are informal and not recorded by any government. See neighborhood_code_pct in the live Coverage Report CSV.

Also known as: (field aliases: neighborhood_id, area_code, neighborhood_code_local)