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Nationwide public-source directory

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State by state.

A starting point for permit research across all 50 states and Washington, D.C. Find city and county records, including building, electrical, mechanical, plumbing, demolition and other permit types where published.

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Source directory and searchable member records are different. This directory links official public sources. Our collected records, full search and downloads require a paid membership; one example is available publicly. Each source covers its named jurisdiction; it does not cover the whole state. Some sources require manual search, and some publish older reports. See the U.S. records already connected to member search.

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Showing 1–1 of 1 official sources.

DelawareOfficial search portal

New Castle County unincorporated areas

New Castle County WebPermits

buildinguse

Official county records search verified accessible. Search by permit number, project name, contractor number, parcel number or address; provides permit status and inspection results. Official county Property Owner Services says excludes incorporated towns/cities. No bulk API verified. https://www.newcastlede.gov/247/Property-Owner-Services supports jurisdiction and type scope.

Source checked 2026-10-09 · Coverage limited to the named jurisdiction

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64 checked source entries. This is a growing directory, not an exhaustive list of every U.S. permit authority. Public access, available fields and reporting periods vary. A source may require its own account or search steps. A public record does not confirm available work or permission to send marketing.

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All types where the source publishes them.

Check the permit category and description at the source. Building, plumbing, electrical and other work may be split across separate city datasets.