How do I verify a General Contractor license in Delaware?

Call TradesAPI's GET /verify with state=DE, the license number, and trade=general to get a normalized result — valid/invalid, status, expiration, and any disciplinary actions — in one request. You can also search the official Delaware board portal by hand.

What comes back for a Delaware general contractor license?

The normalized /verify result: whether the license is valid, its current status and expiration date, and any disciplinary actions the Delaware board publishes — the same schema as every other state and trade.

Is Delaware general contractor license data free to check?

The Delaware board's public portal is free to search manually. TradesAPI adds a single normalized API across all 50 states plus DC — every new API key includes 50 free verifications.

Home › Guides › General Contractor › Delaware

Delaware · General Contractor license lookup

How to verify general contractor licenses in Delaware

Check any Delaware general contractor license — status, expiration, and disciplinary history — through one normalized API, or look it up by hand on the state board portal.

Delaware coverage: Operational · live status

What you can verify

Trade: General Contractor

Data source: Real-time portal check

Coverage: Electrical, Plumbing, HVAC/R

Looking for a different Delaware trade, or the same trade in another state? See the full Delaware license guide or the national General Contractor lookup by state.

One call. The whole picture.

The /verify response is identical in shape across every state and trade, so your integration code never changes per jurisdiction:

GET /verify?state=DE&license=SAMPLE-12345&trade=general

{
  "valid": true,
  "name": "SAMPLE CONTRACTING LLC",
  "license_number": "SAMPLE-12345",
  "trade": "general",
  "expiration": "05/12/2027",
  "status": "Active",
  "state": "DE",
  "disciplinary_actions": [],
  "source_url": "https://delpros.delaware.gov/OH_VerifyLicense",
  "cached": false,
  "checked_at": "2026-07-06T16:00:00Z"
}

Example response showing the normalized schema. Wire it up against deterministic fixtures in the sandbox — no credit cost.

Verify Delaware general contractor licenses programmatically

# Verify a Delaware general contractor license with one API call
curl -H "X-API-Key: YOUR_KEY" \
  "https://www.tradesapi.com/verify?state=DE&license=SAMPLE-12345&trade=general"

The official Delaware board portal is at https://delpros.delaware.gov/OH_VerifyLicense — free to search general contractor licenses by hand. TradesAPI wraps it (and every other state) in one API so you don't maintain 51 different scrapers.

Start verifying in minutes

Every new API key includes 50 free verifications across all 50 states + DC, plus hosted MCP access for Claude, Cursor, and any MCP-speaking agent. No credit card to start.

Start free → Read the API docs →

Frequently asked questions

How do I verify a General Contractor license in Delaware?: Call TradesAPI's GET /verify with state=DE, the license number, and trade=general to get a normalized result — valid/invalid, status, expiration, and any disciplinary actions — in one request. You can also search the official Delaware board portal by hand.
What comes back for a Delaware general contractor license?: The normalized /verify result: whether the license is valid, its current status and expiration date, and any disciplinary actions the Delaware board publishes — the same schema as every other state and trade.
Is Delaware general contractor license data free to check?: The Delaware board's public portal is free to search manually. TradesAPI adds a single normalized API across all 50 states plus DC — every new API key includes 50 free verifications.