The application reads an immutable, hash-verified snapshot at build time. It does not request upstream data while a visitor calculates, and archived source files are not exposed as public routes.
Visible source manifest
Publishers, vintages, and boundaries
Reviewed 2026-08-04
H-CENSUS-NRSannual and monthly
U.S. Census Bureau and U.S. Department of Housing and Urban Development
Median and Average Sales Price of New Houses Sold
Vintage
June 2026 release published 2026-07-24
Retrieved
Aug 4, 2026
Attribution
U.S. Census Bureau and U.S. Department of Housing and Urban Development, Survey of Construction
Annual records use the official annual median row. Monthly records are used only for dated current context. Archived unchanged at raw/census-price-cust.xlsx.
Primary Mortgage Market Survey historical weekly data
Vintage
weekly observations through 2026-07-30
Retrieved
Aug 4, 2026
Attribution
Freddie Mac Primary Mortgage Market Survey®
Annual values are exact arithmetic means of included weekly 30-year FRM observations. The 2022 methodology boundary is retained. Archived unchanged at raw/freddie-pmms-historical-weekly.xlsx.
U.S. Bureau of Labor Statistics, CPI-U series CUUR0000SA0
October 2025 is explicitly unavailable. BLS directs annual averages for affected 2025 series to use the 11 published indexes. Archived unchanged at raw/bls-cpi-2023-2026.json.
published 2026-03-10; valuation snapshot 2026-03-01
Retrieved
Aug 4, 2026
Attribution
Forbes annual list estimate
Direct publisher page manually reviewed. The current-year record is not eligible for an annual home-price comparison. Proprietary page content is not redistributed.