Delaware prompt payment

Who and what this applies to

Limited to the construction category and statutory provision described below.

The rules

• For private construction within 6 Del. C. §3507, when the contract does not specify when invoices may be submitted, the owner’s undisputed final payment is due by the later of 30 days after the billing period ends or 30 days after receipt of the invoice. If downstream payment terms are unspecified, the contractor or subcontractor must pay the relevant lower tier within 15 days after receiving payment. Section 3507 excludes public projects covered by Title 29, Chapter 69, certain residential construction of six or fewer units, single-residence alterations or repairs, and specified purchases for one’s own property. Source

Primary sources

• 6 Del. C. §3507(c)–(f); compare required clauses in §3506

Sources reviewed 2026-09-30. This guide covers the projects and rules stated above.

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