How do I verify a contractor license in District of Columbia?

You can search the official District of Columbia board portal by hand, or call TradesAPI's GET /verify endpoint with the state, license number, and trade to get back a normalized result — valid/invalid, status, expiration, and any disciplinary actions — in one request.

What contractor trades does District of Columbia license?

TradesAPI covers these District of Columbia trade types today: Electrical, General Contractor, Plumbing.

Is District of Columbia 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.

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District of Columbia · contractor license lookup

How to verify a contractor license in District of Columbia

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

District of Columbia coverage: Operational · live status

What you can verify

Data source: Live portal scrape

Coverage: General Contractor, Electrical, Plumbing, HVAC

Trade types

ElectricalGeneral ContractorPlumbing

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.

One call. The whole picture.

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

GET /verify?state=DC&license=SAMPLE-12345&trade=electrical

{
  "valid": true,
  "name": "SAMPLE CONTRACTING LLC",
  "license_number": "SAMPLE-12345",
  "trade": "electrical",
  "expiration": "05/12/2027",
  "status": "Active",
  "state": "DC",
  "disciplinary_actions": [],
  "source_url": "https://govservices.dcra.dc.gov/oplaportal/Home/GetLicenseSearchDetails",
  "cached": false,
  "checked_at": "2026-06-22T05:14:00Z"
}

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

Verify District of Columbia licenses programmatically

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

The official District of Columbia board portal is at https://govservices.dcra.dc.gov/oplaportal/Home/GetLicenseSearchDetails — free to search 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 contractor license in District of Columbia?: You can search the official District of Columbia board portal by hand, or call TradesAPI's GET /verify endpoint with the state, license number, and trade to get back a normalized result — valid/invalid, status, expiration, and any disciplinary actions — in one request.
What contractor trades does District of Columbia license?: TradesAPI covers these District of Columbia trade types today: Electrical, General Contractor, Plumbing.
Is District of Columbia 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.