{"@context":{"@vocab":"https://schema.org/"},"@type":"Dataset","@id":"https://api.ai-analytics.org/building-permits/24-005#permits","name":"Building Permits — Baltimore County, MD","description":"Census Building Permits Survey for Baltimore County, MD: 1,531 housing units authorized in 2025 ($335,805,685 valuation), by structure type, 2015-2025.","spatialCoverage":"Baltimore County, MD","isAccessibleForFree":true,"license":"https://creativecommons.org/publicdomain/zero/1.0/","place_id":"24-005","county":{"county_id":6672267319441952000,"state_fips":"24","county_fips":"005","place_id":"24-005","county_geoid":"24005","county_name":"Baltimore County","state_abbr":"MD","year_min":2015,"year_max":2025,"latest_units1":1152,"latest_units2":0,"latest_units34":0,"latest_units5p":379,"latest_total_units":1531,"latest_total_value_usd":335805685,"trend":"[{\"year\": 2015, \"total_units\": 1312, \"total_value_usd\": 221602721}, {\"year\": 2016, \"total_units\": 1293, \"total_value_usd\": 237170109}, {\"year\": 2017, \"total_units\": 1376, \"total_value_usd\": 289119810}, {\"year\": 2018, \"total_units\": 2107, \"total_value_usd\": 387842921}, {\"year\": 2019, \"total_units\": 1417, \"total_value_usd\": 268537500}, {\"year\": 2020, \"total_units\": 1447, \"total_value_usd\": 326528257}, {\"year\": 2021, \"total_units\": 986, \"total_value_usd\": 232772259}, {\"year\": 2022, \"total_units\": 335, \"total_value_usd\": 79399726}, {\"year\": 2023, \"total_units\": 1673, \"total_value_usd\": 395467436}, {\"year\": 2024, \"total_units\": 1511, \"total_value_usd\": 416523273}, {\"year\": 2025, \"total_units\": 1531, \"total_value_usd\": 335805685}]","ingested_at":"2026-06-26T15:41:42Z"},"trend":[{"year":2015,"total_units":1312,"total_value_usd":221602721},{"year":2016,"total_units":1293,"total_value_usd":237170109},{"year":2017,"total_units":1376,"total_value_usd":289119810},{"year":2018,"total_units":2107,"total_value_usd":387842921},{"year":2019,"total_units":1417,"total_value_usd":268537500},{"year":2020,"total_units":1447,"total_value_usd":326528257},{"year":2021,"total_units":986,"total_value_usd":232772259},{"year":2022,"total_units":335,"total_value_usd":79399726},{"year":2023,"total_units":1673,"total_value_usd":395467436},{"year":2024,"total_units":1511,"total_value_usd":416523273},{"year":2025,"total_units":1531,"total_value_usd":335805685}],"_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":"2026-06-28T16:08:12.640Z"}}