{"@context":{"@vocab":"https://schema.org/"},"@type":"Dataset","_source":{"data_provider":"AI Analytics","data_provider_url":"https://api.ai-analytics.org","license":"https://creativecommons.org/publicdomain/zero/1.0/","primary_source":"https://www.census.gov/construction/bps/","primary_source_dataset":"Census Building Permits Survey — County annual (co{YYYY}a)","generated_at":"2026-06-29T06:00:35.404Z"},"name":"Census Building Permits (county)","description":"New privately-owned residential construction authorized by building permit, per US county and year (2015-2025): buildings, housing units, and construction valuation by structure type — single-family (1-unit), 2-units, 3-4 units, and 5+ units (multifamily). Aggregate counts — zero PII. A leading indicator of housing supply that joins to FHFA house prices by county. Search any county and pull its permit trend.","summary":{"total_rows":33376,"distinct_counties":3057,"year_range":[2015,2025],"latest_total_units":1431616,"latest_total_value_usd":379050515917,"snapshot":"Census Building Permits Survey, county annual, 2015-2025; imputation-adjusted units & valuation by structure type.","refreshed_at":"2026-06-26T11:05:00Z"},"endpoints":{"search":"https://api.ai-analytics.org/api/v1/census/building-permits/search?q=","county":"https://api.ai-analytics.org/api/v1/census/building-permits/{state_fips}-{county_fips}","page":"https://api.ai-analytics.org/building-permits/{state_fips}-{county_fips}"}}