These are the public datasets behind the ranges on this site, with the license each publisher uses and the credit line they ask for. We do not offer downloads of the derived data at launch.
Two cities' permits were checked and then left out because their declared values did not pass our calibration check. They are listed at the end.
Public domain (U.S. Government work, 17 U.S.C. 105)
Attribution
U.S. Bureau of Labor Statistics
Required notice
BLS.gov cannot vouch for the data or analyses derived from these data after the data have been retrieved from BLS.gov.
Retrieved
2026-10-10
Datasets
BLS API v2 response: CUUR0000SA0 (CPI-U, all items, U.S. city average, NSA) and WPU1148 (PPI, air conditioning and refrigeration equipment), 2015-2024, with annual averages
BLS API v2 response: CUUR0000SA0 and WPU1148, 2025-2026 (latest: 2026 M08)
BLS API v2 response: PPI WPU1361 (prepared asphalt and tar roofing and siding products), WPU1066 (domestic water heaters), WPUSI012011 (construction materials), 2017-2026 with annual averages
U.S. Census Bureau, geography files (ZIP lookup)
Used in the ranges on this site.
License
Public domain (U.S. Government work, 17 U.S.C. 105)
Attribution
U.S. Census Bureau, 2020 ZCTA to County Relationship File U.S. Census Bureau, Population Division, state geocodes (vintage 2023)
Retrieved
2026-10-11
Datasets
2020 ZCTA to County Relationship File (national, pipe-delimited)
Census Bureau Region and Division Codes and FIPS Codes for States (vintage 2023)
City of New Orleans, Department of Safety and Permits
Checked for calibration, failed, and not used in any range on this site.