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Delaware Contractor License Lookup

Official Delaware contractor license lookup information, agency details, and homeowner notes for verifying a contractor before hiring.

Official agency

DELPROS / Division of Professional Regulation

No single statewide general-contractor board; use DELPROS for state-regulated trades and check local licensing where applicable.

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About Delaware contractor licensing

Delaware does not use one broad statewide general contractor board for all home construction. Instead, homeowners often need a combination of state trade-license verification through DELPROS and local checking for business or contractor requirements, depending on where the property is located and what work is being done.

How licensing works in Delaware

Delaware's system is narrower than a full statewide GC license model. Regulated trades may appear in the Division of Professional Regulation's DELPROS system, while broad contractor oversight can depend more on local licensing, permits, and business compliance. For homeowners, that means the verification path changes with the project: a plumber or electrician should be checked through the state, but a general remodeler may also need city or county approval. New Castle County and municipal rules can matter a lot.

What to verify in Delaware

Use DELPROS to search the exact trade professional or company when the work includes a state-regulated occupation. Then confirm whether the city, town, or county where your home sits requires an additional contractor or business license for general work. Look for active status, expiration date, and any discipline in the state record. If the contractor cannot explain which state or local approvals apply, that is useful information by itself.

State-specific tips

  • › For Wilmington-area work, verify local requirements separately instead of relying only on a DELPROS trade lookup.
  • › If a company advertises full-service remodeling, ask which portions it self-performs under state trade credentials and which portions it subcontracts.
  • › Match the county and municipality to the property before you check licensing; Delaware rules can shift over short distances.
  • › For electrical, plumbing, and HVAC work, use the state portal even if the city also issues permits.
  • › Keep a screenshot of any active DELPROS record you relied on in case the contractor later changes entities.
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