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According to the CSLB, “a landscape contractor constructs, maintains, repairs, installs, or subcontracts the development of landscape systems and facilities for public and private gardens and other areas which are designed to aesthetically, architecturally, horticulturally or functionally improve the grounds within or surrounding a structure or a tract or plot of land. In connection therewith, a landscape contractor prepares and grades plots and areas of land for the installation of any architectural, horticultural and decorative treatment or arrangement.”

Requirements for Licensure

The California Contractors State License Board requires a minimum of four years journeyman-level experience in order to apply for a California Contractors license.

Landscaping Exam (C-27)

The exam is a closed book exam and has approximately 100 questions that must be answered in 2.5 hours. The exams are given on a computer at one of the many testing centers throughout California. An appointment is needed and can be made once an application has been accepted.

Some of the topics covered in the exam include:

  • Planning & Estimating
  • Construction Preparation
  • Hardscape Installation
  • Irrigation & Lighting Installation
  • Plant Installation
  • Maintenance and Repair
  • Job Safety

How to Prepare for the Exam

Once the CSLB has approved your application, you will be informed of the testing date. We recommend that you give yourself plenty of time to prepare and study, preferably months. One of the most effective ways to prepare for the exam is by using the Peerless Landscaping (C-27) Study Guide book. The book includes hundreds of pages of relevant content that is covered on the state exam and also loaded with close to a thousand multiple choice questions.