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Use CSLID to find the rule for one jurisdiction, compare requirements across many jurisdictions, or work through a licensing decision step by step.

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Start with your role

Contractors

Find out whether you need a license, what it costs, and which agency to contact — before you bid or break ground.

Regulators

Compare licensing models, board structures, reciprocity patterns, and fee schedules across jurisdictions.

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What you can do here

  • Look up a state — Open any jurisdiction page for the full picture: thresholds, regulator directory, requirements by trade, reciprocity, and license types.
  • Compare across states — Use the Insights tables to compare thresholds, fees, reciprocity, and license classifications side by side.
  • Follow a workflow — Step-by-step guides for evaluating a new state, preparing a multi-state bid, applying for a license, or checking reciprocity.
  • Search — Use the search bar to find any state, topic, or keyword. Results link directly to the relevant section.
  • Ask AI — Select text on any page and send it to Claude, ChatGPT, or Cursor for follow-up questions, summaries, or cross-state comparisons.

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Explore by region

Northeast

9 jurisdictions grouped for faster scanning and comparison.

South

16 jurisdictions grouped for faster scanning and comparison.

Midwest

12 jurisdictions grouped for faster scanning and comparison.

West

13 jurisdictions grouped for faster scanning and comparison.

Territories and DC

3 jurisdictions grouped for faster scanning and comparison.

New state evaluation

Use a consistent sequence the first time you evaluate a jurisdiction.

Multi-state bid readiness

Compare states, territories, and public-works requirements before you mobilize.

How to apply

A generic licensing journey with key decision points.

Reciprocity check

Decision flow for determining whether your out-of-state license transfers.

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Compare across states

Licensing thresholds

Scan notable dollar thresholds across the full dataset.

Prequalification patterns

See which jurisdictions explicitly highlight public-works prequalification.

Fees and costs

Compare application fees, bond amounts, and renewal costs across states.

License types

See how states classify contractor licenses by trade and tier.

Reciprocity rankings

Which states have the most reciprocity partners.