LEAD PIPE CHECK
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Lead Service Line Research for Delaware Real Estate

Delaware has no state-specific law requiring lead service line disclosure at closing beyond the federal EPA inventory rule -- so whether you're prepping a listing, advising a buyer early in a search, or finalizing a sale, a client or their attorney raising this later is a real, avoidable liability, not a compliance formality. Confirming what's already publicly known -- at any point in a transaction, not just at the closing table -- protects your client (and your file) without requiring anyone to be legally obligated to ask for it first.

Delaware coverage

Artesian Water Company and City of Wilmington Water — see /sources for the full list.

35,703 records published across 2 areas of Delaware.

Batch-check a list of addresses

Paste every address you're working -- a closing docket, a listing pipeline, a title plant review, or just a handful of properties you're looking into -- and get one CSV back: matched status for each, unmatched addresses marked NOT FOUND at no charge. Ready to attach to a closing packet or file on its own.

Batch-check addresses

Known gaps in Delaware coverage

The City of Dover is not covered here -- it has a real, live 120Water GraphQL backend, but the public client only exposes address-search and map-clustering queries; no bulk/summary endpoint was found and introspection is disabled server-side, the same "real backend, not yet fully reverse-engineered" situation as Montana's Billings and Arkansas's Fayetteville. Separately, a "City of Newark" service-line layer was found during research but turned out to be Newark, NEW JERSEY data (confirmed by its New Jersey State Plane coordinates and real Newark, NJ ward names) -- a real Newark, Delaware source, if one exists publicly, has not yet been found. A "not found" result for a Dover or Newark, DE address means unpublished here, not confirmed lead-free.

This reflects the same public data shown in our free search, as last published by the source utility -- not an inspection, and not legal advice on what your specific transaction requires. See Delaware's full coverage and replacement-law summary or our terms.