CT Housing Data Hub - Permitting DECD

This feature layer displays annual counts of new residential construction permits and housing demolitions in each Connecticut municipality, as reported in the Department of Economic and Community Development’s (DECD) Annual Construction Report. The dataset is spatialized by town for use in the Connecticut Housing Data Hub. This dataset includes: Annual counts of new housing units authorized by building permits Permitting data broken down by housing type (e.g., single-family, two-family, three- or four-family, five or more units) Counts of residential demolitions by year and town CT Geodata Portal Housing landing page: https://geodata.ct.gov/pages/housing DECD Annual Construction Report: https://data.ct.gov/Housing-and-Development/DECD-Annual-Construction-Report-1997-2024/wmfh-25km DECD Housing Data: https://portal.ct.gov/decd/content/about_decd/research-and-publications/01_access-research/exports-and-housing-and-income-data Geographic Extent Coverage: State of Connecticut Classifications Sensitivity: Public Usage: Public Use Quality: High Quality Known Quality Issues: None Currency Created: 2022 Update Frequency: Annually Last Updated: August 2025 Lineage Originated: Connecticut Department of Economic and Community Development Notable Changes: Shift from federal to state-collected data beginning in 2018 Product Traceability: Used in the Connecticut Housing Data Hub and in analyses of housing growth and redevelopment patterns Credits Data Steward: Sarah Hurley (GIS Analyst, CT GIS Office)