What is the California Supplemental Exam for Landscape Architects?

Introduction to the California Supplemental Exam For Landscape Architects

The California Supplemental Exam for landscape architects the tests a landscape architect candidate’s knowledge of conditions and regulations peculiar to practicing landscape architecture in the state of California. This exam is an additional requirement and augments the national Landscape Architect Registration Exam (LARE) and must be taken after passing all sections of the LARE or meet California’s reciprocity requirements (if you are currently licensed in another state).

Why Take The California Supplemental Exam (CSE)?
The California Supplemental Exam is one requirement that candidates seeking a  landscape architect license in the state of California. The CSE for landscape architects examines your specific knowledge of design, construction, and environmental conditions that are unique to California’s unique climate and geology. There is a lot of emphasis on California’s unique regulatory environment and natural disasters that are common in the state (earthquakes, landslides, fires, etc.).

How Do I Register for the CSE?
Before you can register for the California Supplemental Examination, you must apply for a landscape architect license in the state of California and pass all sections of the Landscape Architect Registration Exam (LARE). Once you meet these requirements, you send in an application to take the CSE and submit the registration fee to the Landscape Architect Technical Committee (LATC). After the board reviews and approves your application, they will add your name to the pre-qualified list for the exam. Contact the test provider and set up an appointment to sit for the CSE.

How Many Questions Are on the CSE?
The California Supplemental Exam consists of 100 multiple choice questions that test your knowledge in several area of law, regulation, environment, and public safety issues. You have 120 minutes to complete the landscape architecture CSE.

Good luck preparing for the California Supplemental Exam for landscape architects. Browse around the site and review my study notes to help you prepare for the CSE.


John is a landscape architect who is currently preparing to take the California Supplemental Exam to become licensed in California. He is currently a licensed professional landscape architect in Georgia and Florida. John graduated from California State University, Pomona with a BSLA degree in landscape architecture in 1997 and has extensive practice experience in residential and commercial landscape design.

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Do You Want to Pass the CSE?

You are in the right place. Learn what you need to pass the California Supplemental Exam for landscape architects the first time. This site is dedicated to aspiring landscape architects who want to get a California landscape architect license. I'll share my research for the CSE as I prepare for the exam.

Feel free to submit a question and I'll do my best to answer it here.

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