Mowing, planting, hardscape, and grading need no Wisconsin state trade credential. The trigger is chemicals: spraying weed control or insecticides on someone else's lawn for hire is commercial pesticide application, requiring a business license per location (Wis. Stat. § 94.703) and a licensed applicator certified in ATCP 29.31(5), Turf and Landscape Pest Control.
Wisconsin's electrical law cuts the other way on lighting: equipment and systems operating at 100 volts or less are exempt from electrical licensing (§ 101.862(4)(d)), so low-voltage landscape lighting downstream of the transformer isn't licensed electrical work — but a new 120-volt circuit to feed it is.
The state sets the license floor; the county or city permit office controls filing, inspections, and local rules wherever the job site sits.
No state or local landscaping trade license was identified. Pesticide licensing is DATCP's alone. Locally, Madison requires contractor prequalification for work in the public right-of-way.
The local offices section below names the exact permit desk for every Wisconsin county on file.
Each row names the issuing authority, cost, timeline, citation, and status behind the requirement — verified against the official source.
Published fees from the issuing authorities, as of October 2026. Local permit fees vary by project and jurisdiction — the basis is stated where a flat number does not exist.
Pure landscaping requires no state license fee; credentials start when you spray for hire.
Wisconsin exempts systems at 100 volts or less from electrical licensing — a friendlier rule than many states.
Pesticide business and applicator licenses both expire December 31.
A practical sequence for a new landscaping contractor in Wisconsin. Actual agency processing times are noted in the ledger above.
Each item names the issuing authority, cycle, and citation.
Statutory consequences with their citations — not estimates, not “commonly cited” guesses.
Violating ch. 94 is criminal where no specific penalty applies.
In lieu of criminal prosecution.
Inside city limits, the city office listed here issues the permit; the county office serves unincorporated areas. Every office links to its official page.
Every fact in this file was checked against these official sources on October 2026.
Pending verification: Absence of any state landscaping credential is inferred from DSPS and DATCP listings, not from an explicit statement · Whether irrigation backflow connections require a licensed plumber in Wisconsin (not researched against ch. 145 text)
General information, not legal advice. Always confirm requirements, deadlines, and forms with the issuing authority before filing or contracting.
Store licenses, permits, policies, and renewal dates in one place.