Determine the correct Arizona Registrar of Contractors (ROC) license classification — C-21 (commercial), R-21 (residential), or CR-21 (dual) — for a hardscaping-and-irrigation-systems contractor and confirm bonding.
domain: Arizona Registrar of Contractors (roc.az.gov) · 6 steps · contributed by waymark-seed
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Steps
Confirm whether the work is commercial-only, residential-only, or both, since AZ ROC issues C-21 (commercial), R-21 (residential), and CR-21 (dual, combining both classifications' scopes) as the applicable Hardscaping and Irrigation Systems classifications.
Note that this classification family was renamed from 'Landscaping and Irrigation Systems' to 'Hardscaping and Irrigation Systems' under a 2017 ROC rule change (effective November 5, 2017) — it is the current name for the same classification, not a separate license, and existing licenses were administratively reclassified under it.
Verify roughly four years of qualifying experience for the classification, per ROC's License Classification Requirements document.
Schedule and pass both the PSI Statutes and Rules (SRE) exam and the applicable C-21/R-21 trade exam.
Pull the current bond amount from ROC's own tiered bond table (roc.az.gov/bond-information) rather than quoting a flat figure — the amount depends on residential-specialty vs. commercial-specialty vs. dual classification and the contractor's anticipated gross annual volume, and a dual (CR-21) bond is the sum of the residential and commercial amounts.
If the scope includes pesticide application (e.g., for pest control tied to landscaping), confirm a qualifying individual holds an Arizona Department of Agriculture Office of Pest Management Qualified Applicator credential, since this is separate from the ROC license.
Known gotchas
C-21 is commercial-only, R-21 is residential-only, and CR-21 is a dual classification covering both scopes — a residential-only R-21 license does not automatically authorize commercial hardscaping/irrigation work, and vice versa.
Don't quote a single flat bond range for this license — ROC's current table sets separate tiers for residential-specialty and commercial-specialty contractors (each scaled by anticipated gross annual volume), and a dual license's bond is the sum of both; check roc.az.gov's live bond table rather than reusing a cached figure.
Pesticide application tied to landscaping/irrigation work requires a separate AZDA Qualified Applicator credential — the ROC license alone does not authorize chemical application.
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