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How to verify general contractor licenses in District of Columbia

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

What you can verify

Trade: General Contractor

Data source: Real-time portal check

Coverage: General Contractor, Electrical, Plumbing, HVAC

District of Columbia also supports name search — when you only have a contractor's name, the /search endpoint returns every matching license with full metadata, general contractor licenses included.

Looking for a different District of Columbia trade, or the same trade in another state? See the full District of Columbia 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:

{
  "valid": true,
  "name": "SAMPLE CONTRACTING LLC",
  "license_number": "SAMPLE-12345",
  "trade": "general",
  "expiration": "05/12/2027",
  "status": "Active",
  "state": "DC",
  "disciplinary_actions": [],
  "source_url": "https://govservices.dcra.dc.gov/oplaportal/Home/GetLicenseSearchDetails",
  "cached": false,
  "checked_at": "2026-07-06T17:00:00Z"
}

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

Verify District of Columbia general contractor licenses programmatically

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

The official District of Columbia board portal is at https://govservices.dcra.dc.gov/oplaportal/Home/GetLicenseSearchDetails — 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.

Frequently asked questions

How do I verify a General Contractor license in District of Columbia?

Call TradesAPI's GET /verify with state=DC, 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 District of Columbia board portal by hand.

What comes back for a District of Columbia general contractor license?

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

Is District of Columbia general contractor license data free to check?

The District of Columbia 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.