{"@context":{"@vocab":"https://schema.org/"},"@type":"Dataset","@id":"https://api.ai-analytics.org/building-permits/17-125#permits","name":"Building Permits — Mason County, IL","description":"Census Building Permits Survey for Mason County, IL: 6 housing units authorized in 2025 ($2,066,812 valuation), by structure type, 2015-2025.","spatialCoverage":"Mason County, IL","isAccessibleForFree":true,"license":"https://creativecommons.org/publicdomain/zero/1.0/","place_id":"17-125","county":{"county_id":6765864463846359000,"state_fips":"17","county_fips":"125","place_id":"17-125","county_geoid":"17125","county_name":"Mason County","state_abbr":"IL","year_min":2015,"year_max":2025,"latest_units1":6,"latest_units2":0,"latest_units34":0,"latest_units5p":0,"latest_total_units":6,"latest_total_value_usd":2066812,"trend":"[{\"year\": 2015, \"total_units\": 6, \"total_value_usd\": 1208898}, {\"year\": 2016, \"total_units\": 8, \"total_value_usd\": 1671131}, {\"year\": 2017, \"total_units\": 4, \"total_value_usd\": 843786}, {\"year\": 2018, \"total_units\": 4, \"total_value_usd\": 843786}, {\"year\": 2019, \"total_units\": 4, \"total_value_usd\": 808973}, {\"year\": 2020, \"total_units\": 6, \"total_value_usd\": 1426463}, {\"year\": 2021, \"total_units\": 7, \"total_value_usd\": 1713497}, {\"year\": 2022, \"total_units\": 5, \"total_value_usd\": 1366515}, {\"year\": 2023, \"total_units\": 7, \"total_value_usd\": 1810782}, {\"year\": 2024, \"total_units\": 6, \"total_value_usd\": 1975838}, {\"year\": 2025, \"total_units\": 6, \"total_value_usd\": 2066812}]","ingested_at":"2026-06-26T15:41:42Z"},"trend":[{"year":2015,"total_units":6,"total_value_usd":1208898},{"year":2016,"total_units":8,"total_value_usd":1671131},{"year":2017,"total_units":4,"total_value_usd":843786},{"year":2018,"total_units":4,"total_value_usd":843786},{"year":2019,"total_units":4,"total_value_usd":808973},{"year":2020,"total_units":6,"total_value_usd":1426463},{"year":2021,"total_units":7,"total_value_usd":1713497},{"year":2022,"total_units":5,"total_value_usd":1366515},{"year":2023,"total_units":7,"total_value_usd":1810782},{"year":2024,"total_units":6,"total_value_usd":1975838},{"year":2025,"total_units":6,"total_value_usd":2066812}],"_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":"2026-06-29T14:15:51.419Z"}}