{"@context":{"@vocab":"https://schema.org/"},"@type":"Dataset","@id":"https://api.ai-analytics.org/building-permits/19-153#permits","name":"Building Permits — Polk County, IA","description":"Census Building Permits Survey for Polk County, IA: 4,730 housing units authorized in 2025 ($1,349,464,314 valuation), by structure type, 2015-2025.","spatialCoverage":"Polk County, IA","isAccessibleForFree":true,"license":"https://creativecommons.org/publicdomain/zero/1.0/","place_id":"19-153","county":{"county_id":7865892585483014000,"state_fips":"19","county_fips":"153","place_id":"19-153","county_geoid":"19153","county_name":"Polk County","state_abbr":"IA","year_min":2015,"year_max":2025,"latest_units1":2306,"latest_units2":110,"latest_units34":4,"latest_units5p":2310,"latest_total_units":4730,"latest_total_value_usd":1349464314,"trend":"[{\"year\": 2015, \"total_units\": 4373, \"total_value_usd\": 858456078}, {\"year\": 2016, \"total_units\": 5014, \"total_value_usd\": 958047816}, {\"year\": 2017, \"total_units\": 4544, \"total_value_usd\": 863156700}, {\"year\": 2018, \"total_units\": 3831, \"total_value_usd\": 758385289}, {\"year\": 2019, \"total_units\": 3921, \"total_value_usd\": 884697991}, {\"year\": 2020, \"total_units\": 4580, \"total_value_usd\": 1049664738}, {\"year\": 2021, \"total_units\": 4785, \"total_value_usd\": 1170827598}, {\"year\": 2022, \"total_units\": 4028, \"total_value_usd\": 1031827484}, {\"year\": 2023, \"total_units\": 3095, \"total_value_usd\": 945025309}, {\"year\": 2024, \"total_units\": 2949, \"total_value_usd\": 977890280}, {\"year\": 2025, \"total_units\": 4730, \"total_value_usd\": 1349464314}]","ingested_at":"2026-06-26T15:41:42Z"},"trend":[{"year":2015,"total_units":4373,"total_value_usd":858456078},{"year":2016,"total_units":5014,"total_value_usd":958047816},{"year":2017,"total_units":4544,"total_value_usd":863156700},{"year":2018,"total_units":3831,"total_value_usd":758385289},{"year":2019,"total_units":3921,"total_value_usd":884697991},{"year":2020,"total_units":4580,"total_value_usd":1049664738},{"year":2021,"total_units":4785,"total_value_usd":1170827598},{"year":2022,"total_units":4028,"total_value_usd":1031827484},{"year":2023,"total_units":3095,"total_value_usd":945025309},{"year":2024,"total_units":2949,"total_value_usd":977890280},{"year":2025,"total_units":4730,"total_value_usd":1349464314}],"_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":"2026-06-29T13:49:02.085Z"}}