Colorado Landscaping Contractor License Requirements (2026)

Colorado does not issue a state-level landscape contractor license. Routine landscape installation, irrigation, sod, planting, and hardscape are unregulated at the state trade level and are governed by local building departments. The one mandatory state credential is the Commercial Pesticide Applicator license issued by the Colorado Department of Agriculture (CDA) Pesticides Program under Article 9 of Title 35 (Pesticide Applicators Act). Cities such as Denver, Boulder, Fort Collins, and Colorado Springs additionally enforce local landscape contractor registration and turf-replacement / WaterSense rules.

The Licensing Authority

Colorado Department of Regulatory Agencies — State Electrical Board (DORA) is the statutory authority responsible for issuing and enforcing this license under Colorado Revised Statutes Title 12 Article 115 (Electricians); 3 CCR 710-1. The DORA State Electrical Board licenses Residential Wiremen, Journeyman Electricians, Master Electricians, and Electrical Contractors statewide, adopts the National Electrical Code by reference, and conducts disciplinary proceedings.

Official portal: https://dpo.colorado.gov/Electrical
Address: 1560 Broadway, Suite 1350, Denver, CO 80202
Phone: (303) 894-7800

Baseline Eligibility

Eligibility begins with two baseline checks: the applicant must be 18 or older and must provide a valid Social Security Number or Individual Taxpayer Identification Number (ITIN). No residency requirement.

Good moral character

CDA reviews prior pesticide enforcement actions.

Background investigation

Required disclosure on the CDA application.

Experience and Education Requirements

Rather than a set number of years, the cited materials define eligibility through No state experience requirement for landscape installation. CDA Commercial Applicator requires passing the Core (General Standards) exam plus the Ornamental category exam (or Turf, depending on scope)..

Accepted proof of experience or eligibility

CDA Commercial Pesticide Applicator application and exam pass slips

Education substitution

Colorado State University Extension training counts toward CDA continuing education.

The Licensing Examination

Testing is handled by Colorado Department of Agriculture Pesticides Program (paper exam at CDA Broomfield office or proctored regional sites). The applicant has to pass each part listed here before the credential is granted:

CDA Core (General Standards) exam — 50 questions, 90 minutes, passing score 70%
CDA Category 206 — Ornamental — 50 questions, 90 minutes, passing score 70%
CDA Category 207 — Turf — 50 questions, 90 minutes, passing score 70%

Examination fee: $72 Commercial Applicator license + $43 per category exam.

Retake policy: Failed exams may be retaken after 7 days; new $43 fee.

Financial Security and Insurance

No statewide contractor license surety bond is required for this credential in the cited sources. Project-specific, permit, or public-works bonds may still apply, so confirm bonding before bidding a given job.

General liability

CDA requires Commercial Pesticide Applicators to maintain $100,000 bodily injury / $100,000 property damage / $300,000 aggregate.

Workers' compensation

Mandatory under CRS Title 8 Article 41 for any employer with one or more employees.

Additional financial requirements

Not required.

Fee Schedule

Fee	Amount
Application (non-refundable)	$72
Examination	$86
Initial license	$72
Renewal (every year)	$72

License Renewal

The Colorado Landscaping — No State License (CDA Commercial Pesticide Applicator + Local Business Licenses) must be renewed every year. The fee to renew is presently $72. CDA Commercial Pesticide Applicator licenses expire December 31 annually.

Continuing education: 7 CEU hours total (1 Core + 6 category) every three years OR re-examination.

Downloadable Asset

2026 Colorado Landscaping License Roadmap (PDF) — a printable step-by-step checklist for the application process.

Download the PDF roadmap →

Reciprocity Map

Colorado grants no NASCLA reciprocity for this classification.

Reciprocal State	Accepted Exam	Conditions
No formal bilateral reciprocity agreements identified.

CDA grants pesticide applicator reciprocity on a case-by-case basis to applicants holding equivalent active certification in Wyoming, Nebraska, Kansas, New Mexico, or Utah.

Weighing more than one jurisdiction? The national hub compares Landscaping license requirements in every state — exam, bond, fee, and experience thresholds side by side.

The Licensing Roadmap

Register Colorado business entity and EIN. File with the Colorado Secretary of State.
Register for local municipal business licenses. Denver, Boulder, Fort Collins, and most Front Range cities require local landscape contractor registration.
Secure $100,000/$100,000/$300,000 liability insurance. Required by CDA for any commercial applicator.
Pass the CDA Core exam at 70%. Required baseline for any commercial applicator.
Pass CDA Categories 206 and/or 207 (Ornamental and Turf). Landscape pesticide categories.
Apply for CDA Commercial Pesticide Applicator license. Submit application, pass certificates, and $72 fee.
Comply with local water restrictions and WaterSense rules. Denver Water and Aurora Water enforce turf-replacement caps and EPA WaterSense irrigation controller standards.
Enroll workers compensation coverage. Required for any employer with one or more employees.

Preparation Resources

The list below collects the board's cited references and the materials applicants typically study from. CLR is not paid to recommend any of them.

Colorado Pesticide Applicator Core Manual — Colorado State University Extension. Required reference for the CDA Core exam.
Ornamental and Turf Pest Management — CSU Extension. Categories 206 and 207 study guide.
Colorado WaterSense Landscape Specification — CSU Extension / EPA WaterSense. Required for Front Range water-restricted markets.

Before Filing: A Checklist

Before submitting to DORA, the applicant should have each of the following ready:

☐ Colorado business entity registration and EIN
☐ Local municipal business license (varies by city)
☐ $100,000/$100,000/$300,000 liability insurance
☐ CDA Core exam pass certificate
☐ CDA Category 206 (Ornamental) and/or 207 (Turf) exam pass
☐ CDA Commercial Pesticide Applicator license
☐ Workers compensation coverage (any employee)
☐ WaterSense / local water restriction compliance plan

Common Application Pitfalls

The following pitfalls summarize the issues most likely to delay, return, or derail a Colorado Landscaping application based on the published board instructions and source materials cited on this page.

Spraying without CDA certification

Civil penalties up to $1,000 per violation under CRS §35-10-117.

Skipping local landscape contractor registration

Denver Excise and Licenses, Boulder Sales Tax, and Fort Collins all enforce separately and assess back fees.

Installing non-functional turf in water-restricted districts

CB23-1151 and Denver Water rules prohibit new high-water turf in many commercial settings; non-compliance triggers stop-work orders.

Backflow violations on irrigation

Colorado plumbing code requires a tested reduced-pressure assembly on every irrigation tie-in; testing must be performed annually by a certified backflow tester.

Missing CDA recertification CEUs

7 hours every three years; missing CEUs forces re-examination and lapses the license.

Other Colorado Trade Licenses

Looking at a different trade? CLR also publishes these Colorado licensing guides:

Answers to Common Questions

Does Colorado require a state landscaping license?

No. There is no state landscape contractor license. The only state credential is the CDA Commercial Pesticide Applicator license, which is required for any commercial pesticide use.

Do Front Range cities require their own license?

Yes. Denver, Boulder, Fort Collins, and Colorado Springs each register landscape contractors locally and enforce turf-replacement and irrigation efficiency rules.

What about water restrictions?

Many Colorado water providers (Denver Water, Aurora Water, Colorado Springs Utilities) cap new turf area, require WaterSense-labeled irrigation controllers, and offer rebates for low-water installs. CB23-1151 prohibits non-functional turf in new commercial development.

Is the Core exam open book?

No. The CDA Core and category exams are closed-book and proctored at CDA offices.

How often does the pesticide license renew?

Annually on December 31. Recertification requires 7 CEU hours (1 Core + 6 category) every three years OR re-examination.

Primary Sources

Regulatory requirements on this page are drawn from the official board, statute, and exam-provider materials listed below.

Verified 2026-05-09 · Next scheduled review 2026-08-07