{"@context":{"@vocab":"https://schema.org/"},"@type":"Dataset","@id":"https://api.ai-analytics.org/building-permits/17-201#permits","name":"Building Permits — Winnebago County, IL","description":"Census Building Permits Survey for Winnebago County, IL: 309 housing units authorized in 2025 ($87,039,136 valuation), by structure type, 2015-2025.","spatialCoverage":"Winnebago County, IL","isAccessibleForFree":true,"license":"https://creativecommons.org/publicdomain/zero/1.0/","place_id":"17-201","county":{"county_id":4186487450713175000,"state_fips":"17","county_fips":"201","place_id":"17-201","county_geoid":"17201","county_name":"Winnebago County","state_abbr":"IL","year_min":2015,"year_max":2025,"latest_units1":309,"latest_units2":0,"latest_units34":0,"latest_units5p":0,"latest_total_units":309,"latest_total_value_usd":87039136,"trend":"[{\"year\": 2015, \"total_units\": 122, \"total_value_usd\": 15990376}, {\"year\": 2016, \"total_units\": 194, \"total_value_usd\": 24502609}, {\"year\": 2017, \"total_units\": 195, \"total_value_usd\": 26084431}, {\"year\": 2018, \"total_units\": 220, \"total_value_usd\": 25741171}, {\"year\": 2019, \"total_units\": 250, \"total_value_usd\": 33515278}, {\"year\": 2020, \"total_units\": 149, \"total_value_usd\": 26205342}, {\"year\": 2021, \"total_units\": 172, \"total_value_usd\": 30329564}, {\"year\": 2022, \"total_units\": 189, \"total_value_usd\": 41982429}, {\"year\": 2023, \"total_units\": 171, \"total_value_usd\": 39942355}, {\"year\": 2024, \"total_units\": 284, \"total_value_usd\": 75134406}, {\"year\": 2025, \"total_units\": 309, \"total_value_usd\": 87039136}]","ingested_at":"2026-06-26T15:41:42Z"},"trend":[{"year":2015,"total_units":122,"total_value_usd":15990376},{"year":2016,"total_units":194,"total_value_usd":24502609},{"year":2017,"total_units":195,"total_value_usd":26084431},{"year":2018,"total_units":220,"total_value_usd":25741171},{"year":2019,"total_units":250,"total_value_usd":33515278},{"year":2020,"total_units":149,"total_value_usd":26205342},{"year":2021,"total_units":172,"total_value_usd":30329564},{"year":2022,"total_units":189,"total_value_usd":41982429},{"year":2023,"total_units":171,"total_value_usd":39942355},{"year":2024,"total_units":284,"total_value_usd":75134406},{"year":2025,"total_units":309,"total_value_usd":87039136}],"_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":"2026-06-28T22:05:29.540Z"}}