{"@context":{"@vocab":"https://schema.org/"},"@type":"Dataset","@id":"https://api.ai-analytics.org/building-permits/26-161#permits","name":"Building Permits — Washtenaw County, MI","description":"Census Building Permits Survey for Washtenaw County, MI: 1,088 housing units authorized in 2025 ($440,925,894 valuation), by structure type, 2015-2025.","spatialCoverage":"Washtenaw County, MI","isAccessibleForFree":true,"license":"https://creativecommons.org/publicdomain/zero/1.0/","place_id":"26-161","county":{"county_id":3901507167909916000,"state_fips":"26","county_fips":"161","place_id":"26-161","county_geoid":"26161","county_name":"Washtenaw County","state_abbr":"MI","year_min":2015,"year_max":2025,"latest_units1":532,"latest_units2":6,"latest_units34":16,"latest_units5p":534,"latest_total_units":1088,"latest_total_value_usd":440925894,"trend":"[{\"year\": 2015, \"total_units\": 420, \"total_value_usd\": 104777598}, {\"year\": 2016, \"total_units\": 438, \"total_value_usd\": 114637848}, {\"year\": 2017, \"total_units\": 657, \"total_value_usd\": 164938036}, {\"year\": 2018, \"total_units\": 805, \"total_value_usd\": 193829773}, {\"year\": 2019, \"total_units\": 815, \"total_value_usd\": 194062610}, {\"year\": 2020, \"total_units\": 1065, \"total_value_usd\": 239097052}, {\"year\": 2021, \"total_units\": 916, \"total_value_usd\": 259769189}, {\"year\": 2022, \"total_units\": 656, \"total_value_usd\": 207966804}, {\"year\": 2023, \"total_units\": 1597, \"total_value_usd\": 595921155}, {\"year\": 2024, \"total_units\": 1193, \"total_value_usd\": 588833388}, {\"year\": 2025, \"total_units\": 1088, \"total_value_usd\": 440925894}]","ingested_at":"2026-06-26T15:41:42Z"},"trend":[{"year":2015,"total_units":420,"total_value_usd":104777598},{"year":2016,"total_units":438,"total_value_usd":114637848},{"year":2017,"total_units":657,"total_value_usd":164938036},{"year":2018,"total_units":805,"total_value_usd":193829773},{"year":2019,"total_units":815,"total_value_usd":194062610},{"year":2020,"total_units":1065,"total_value_usd":239097052},{"year":2021,"total_units":916,"total_value_usd":259769189},{"year":2022,"total_units":656,"total_value_usd":207966804},{"year":2023,"total_units":1597,"total_value_usd":595921155},{"year":2024,"total_units":1193,"total_value_usd":588833388},{"year":2025,"total_units":1088,"total_value_usd":440925894}],"_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":"2026-06-29T09:22:12.788Z"}}