How do I verify a contractor license in South Dakota?

You can search the official South Dakota 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 South Dakota license?

TradesAPI covers these South Dakota trade types today: Plumbing, Septic.

Is South Dakota contractor license data free to check?

The South Dakota 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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South Dakota · contractor license lookup

How to verify a contractor license in South Dakota

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

South Dakota coverage: Operational · live status

What you can verify

Data source: SD Plumbing Commission roster (PDF, periodic)

Coverage: Plumbing (PLUMBER, PLUMBING CONTRACTOR, RESTRICTED, apprentice tiers); specialty (sewer-and-water, water conditioning, irrigation, mobile home, appliance); onsite-septic. Search-only — source PDFs do not expose license numbers, so /verify is unsupported.

Trade types

PlumbingSeptic

South Dakota 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=SD&license=SAMPLE-12345&trade=plumbing

{
  "valid": true,
  "name": "SAMPLE CONTRACTING LLC",
  "license_number": "SAMPLE-12345",
  "trade": "plumbing",
  "expiration": "05/12/2027",
  "status": "Active",
  "state": "SD",
  "disciplinary_actions": [],
  "source_url": "https://dlr.sd.gov/plumbing/consumer_info.aspx",
  "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 South Dakota licenses programmatically

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

The official South Dakota board portal is at https://dlr.sd.gov/plumbing/consumer_info.aspx — 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

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Frequently asked questions

How do I verify a contractor license in South Dakota?: You can search the official South Dakota 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 South Dakota license?: TradesAPI covers these South Dakota trade types today: Plumbing, Septic.
Is South Dakota contractor license data free to check?: The South Dakota 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.