Start with the credential that applies to the work and the place where it will happen. In Arizona, the business name, credential type and project scope matter as much as the status label. This guide helps you make those checks; it does not determine eligibility for a specific contract.
What to check in Arizona
Arizona ROC issues residential, commercial and dual contractor licenses. The classification determines the permitted work; a dual classification combines specified residential and commercial scopes.
Check the full class code and description. A general building classification and a specialty classification are not interchangeable, and the word dual does not authorize every trade.
ROC license classifications — Residential, commercial and dual scopes; individual class descriptions.
Read the complete ROC classification, including its market scope
- Record the full classification code from ROC and open its description. Residential, commercial and dual are scope distinctions; a business name containing “construction” does not identify the right class.
- Compare each part of the proposal with that description. Where a specialty or subcontractor is involved, ask for the relevant credential rather than treating a general title as a list of every permitted activity.
- For projects spanning a home and business premises, identify which classification covers each. Ask ROC about a boundary case with the actual scope attached, and check permits with the project jurisdiction.
Example: the same company bids a house renovation and a storefront fit-out. A dual classification may be relevant, but you still need to read which work it combines; “dual” does not mean every possible trade.
Check the business, credential and work together
Open AZ ROC Contractor Search. For a trade or locality outside that service's coverage, use the authority identified above. Search the exact credential number when you have it, then compare the holder and business name with the written proposal. Use a name search as a cross-check; similar names can belong to different businesses.
Record the credential type, current status, expiration date and classification or endorsement where the authority publishes them. Check the business–qualifier relationship when applicable. If a field is absent, ask the authority; do not treat a blank as confirmation.
Example: For a business renovating both a storefront and a residence, compare each scope against the contractor's actual ROC classifications.
Resolve a mismatch before committing
Ask the contractor to explain a different business name, missing classification or unclear status and supply the relevant record. Confirm the explanation with the issuing authority rather than editing the name in your notes until it matches.
No result in ContractorRoster is not a finding that a business is unlicensed. Our coverage, source timing, spelling and search limits can affect results. Search the appropriate official service and contact it if the answer remains unclear. A portal error is not a negative license finding.
What a registry check does not settle
Check local permits and the scope of any subcontracted trades separately. Request current insurance evidence and confirm coverage questions with the insurer; a license status does not decide whether a particular loss is covered. Ask for references for comparable work and agree on a written scope, payment schedule and change process.
Read any available disciplinary orders for their actual findings and dates. An allegation is not a finding, and the absence of a public complaint is not proof of a clean history. If you are evaluating a legal claim or recovery program, check its specific eligibility rules instead of assuming a license guarantees compensation.
Applying or working across state lines
Use the authority's current category-specific instructions. Our licensing budget guide separates fees from bond and insurance costs; our reciprocity checklist explains what to ask the receiving board. Neither an application nor an exam waiver is an issued license.
Using the roster for research or outreach
Our Arizona data comes from the covered sources identified as Arizona Registrar of Contractors (ROC); its recorded refresh date is 2026-09-02. A roster row is not necessarily a unique company, and our coverage is not a census of everyone working in the state. License, registration and name-inferred categories must be interpreted separately.
Browse the Arizona roster to review available trades and territories. Contact fields are supplied where available and are separate from licensing evidence. Before hiring, return to the official record for current status. Original scope guidance was reviewed 2026-09-23. The data refresh date is a different fact.