{"@context":{"@vocab":"https://schema.org/"},"@type":"Dataset","@id":"https://api.ai-analytics.org/building-permits/33-009#permits","name":"Building Permits — Grafton County, NH","description":"Census Building Permits Survey for Grafton County, NH: 408 housing units authorized in 2025 ($152,129,453 valuation), by structure type, 2015-2025.","spatialCoverage":"Grafton County, NH","isAccessibleForFree":true,"license":"https://creativecommons.org/publicdomain/zero/1.0/","place_id":"33-009","county":{"county_id":1517875537025457200,"state_fips":"33","county_fips":"009","place_id":"33-009","county_geoid":"33009","county_name":"Grafton County","state_abbr":"NH","year_min":2015,"year_max":2025,"latest_units1":277,"latest_units2":14,"latest_units34":18,"latest_units5p":99,"latest_total_units":408,"latest_total_value_usd":152129453,"trend":"[{\"year\": 2015, \"total_units\": 244, \"total_value_usd\": 69296977}, {\"year\": 2016, \"total_units\": 249, \"total_value_usd\": 72225368}, {\"year\": 2017, \"total_units\": 193, \"total_value_usd\": 51890228}, {\"year\": 2018, \"total_units\": 297, \"total_value_usd\": 59912245}, {\"year\": 2019, \"total_units\": 339, \"total_value_usd\": 71364331}, {\"year\": 2020, \"total_units\": 582, \"total_value_usd\": 143151434}, {\"year\": 2021, \"total_units\": 338, \"total_value_usd\": 111231325}, {\"year\": 2022, \"total_units\": 606, \"total_value_usd\": 179204623}, {\"year\": 2023, \"total_units\": 410, \"total_value_usd\": 140991372}, {\"year\": 2024, \"total_units\": 472, \"total_value_usd\": 155481968}, {\"year\": 2025, \"total_units\": 408, \"total_value_usd\": 152129453}]","ingested_at":"2026-06-26T15:41:42Z"},"trend":[{"year":2015,"total_units":244,"total_value_usd":69296977},{"year":2016,"total_units":249,"total_value_usd":72225368},{"year":2017,"total_units":193,"total_value_usd":51890228},{"year":2018,"total_units":297,"total_value_usd":59912245},{"year":2019,"total_units":339,"total_value_usd":71364331},{"year":2020,"total_units":582,"total_value_usd":143151434},{"year":2021,"total_units":338,"total_value_usd":111231325},{"year":2022,"total_units":606,"total_value_usd":179204623},{"year":2023,"total_units":410,"total_value_usd":140991372},{"year":2024,"total_units":472,"total_value_usd":155481968},{"year":2025,"total_units":408,"total_value_usd":152129453}],"_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":"2026-06-28T15:13:51.398Z"}}