Updated April 2026

Environmental Hazards Disclosure for the Korea Real Estate Agent Exam

Last updated: April 2026

For candidates preparing for the second stage of the South Korean real estate licensing process, mastering the rules surrounding property disclosures is absolutely critical. Among the most frequently tested—and often misunderstood—topics is the disclosure of environmental hazards and conditions. Unlike Western real estate frameworks that heavily emphasize lead-based paint or mold, South Korea’s legal framework has very specific, statutory definitions for what constitutes an "environmental condition" versus an "undesirable facility."

This mini-article breaks down the exact environmental hazards disclosure requirements you need to know to ace the Real Estate Brokerage Act and Practice (공인중개사법 및 중개실무) section of the exam. For a broader overview of the testing process, be sure to read our Complete Korea Licensed Real Estate Agent Exam Exam Guide.

The Legal Framework: Article 25 of the Licensed Real Estate Agents Act

Under Article 25 of the Licensed Real Estate Agents Act (공인중개사법), a licensed agent (개업공인중개사) has a strict legal duty to confirm and explain the condition of a property to a prospective buyer or lessee before finalizing the brokerage contract. This explanation must be provided in writing using the statutory Property Condition Confirmation and Explanation Form (중개대상물 확인·설명서).

The exam frequently tests candidates on the difference between "Basic Confirmation Matters" (기본 확인사항)—which the agent can verify through public ledgers like the building register—and "Detailed Confirmation Matters" (세부 확인사항), which require the agent to physically inspect the property or directly ask the seller/lessor. Environmental conditions fall strictly under Detailed Confirmation Matters.

Defining "Environmental Conditions" (환경조건) in South Korea

In the context of the Korean real estate exam, the term "Environmental Conditions" (환경조건) is a highly specific statutory category. It does not refer to soil contamination or toxic waste. Instead, the law explicitly defines Environmental Conditions as exactly three elements:

  • Sunshine (일조량): Is the property receiving adequate sunlight, or is it blocked by adjacent structures?
  • Noise (소음): Are there significant noise issues from neighboring units, roads, or commercial activities?
  • Vibration (진동): Are there perceptible vibrations, often caused by nearby construction, railways, or heavy traffic?

Because an agent cannot simply look up noise or vibration in a government database, these three items must be investigated by actually visiting the property or inquiring with the current occupant. Failing to accurately disclose these three elements on the required forms is a common reason for administrative fines and civil liability in South Korea.

Undesirable Facilities (비선호시설) and Hazardous Materials

While Sunshine, Noise, and Vibration make up the statutory "Environmental Conditions," candidates must also understand how the exam handles other hazards, specifically Undesirable Facilities (비선호시설) and hazardous building materials.

Undesirable Facilities within 1km

Agents must disclose the presence of any "undesirable facilities" located within a 1-kilometer radius of the property. In South Korea, this typically includes:

  • Crematoriums and funeral homes
  • Waste processing or disposal plants
  • Slaughterhouses
  • Sewage treatment facilities

Unlike Environmental Conditions, Undesirable Facilities fall under Basic Confirmation Matters, meaning the agent is expected to know the neighborhood and verify this information independently of the seller's input.

Asbestos (석면) and Radon (라돈)

A classic exam trap involves asking where Asbestos is recorded on the disclosure form. Asbestos is NOT classified as an Environmental Condition. Instead, it is recorded under "Internal/External Facilities Status" (내외부 시설물 상태). Similarly, while Radon gas is heavily regulated in newer Korean apartment complexes under the Indoor Air Quality Control Act, it is generally managed by the building's management office and is not one of the three statutory "Environmental Conditions" on the standard brokerage form.

Exam Focus: Disclosure Requirements by Property Type

The most heavily tested concept regarding environmental hazards is knowing which statutory forms require which disclosures. The Property Condition Confirmation and Explanation Form is divided into four types based on the property. Memorize the following matrix:

  • Form I (Residential Buildings): Requires disclosure of BOTH Environmental Conditions (Sunshine, Noise, Vibration) and Undesirable Facilities.
  • Form II (Non-Residential Buildings): Requires NEITHER Environmental Conditions NOR Undesirable Facilities. (Commercial buyers are expected to conduct their own business viability due diligence).
  • Form III (Land): Requires disclosure of Undesirable Facilities, but NOT Environmental Conditions.
  • Form IV (Standing Timber/Mining Foundations): Requires NEITHER.

Disclosure Burden Index by Form Type (%)

Practical Scenario for the Brokerage Exam

Consider this practical scenario, which mirrors typical exam questions:

Scenario: Agent Kim is brokering two deals simultaneously. Deal A is a residential apartment (아파트). Deal B is a vacant plot of farmland (농지). The buyer of the farmland discovers a waste disposal plant 800 meters away that Agent Kim did not disclose. The buyer of the apartment discovers severe vibration from a nearby subway line that Agent Kim did not disclose.

Exam Application: Agent Kim is liable in both cases. For the apartment (Form I), he failed his duty to investigate and disclose detailed Environmental Conditions (Vibration). For the farmland (Form III), he failed his basic duty to disclose Undesirable Facilities within 1km. If a buyer wants to back out of a deal due to these omissions, it can trigger complex contract disputes. You can learn more about how buyers protect themselves in our guide on contingencies in purchase agreements.

Study Strategy for Brokerage Practice

Because the Real Estate Brokerage Act and Practice section requires rote memorization of these specific forms, it is highly recommended to print out blank copies of Forms I, II, III, and IV. Physically highlight the "Environmental Conditions" and "Undesirable Facilities" sections to visually cement the differences in your memory.

Given the low pass rates of the second stage exam, mastering these exact statutory definitions is what separates successful candidates from those who have to retake the test. To understand the statistical challenge of the exam, check out our article on pass rate statistics and difficulty, and ensure you are allocating enough time to this topic using a structured study schedule planner.

Frequently Asked Questions (FAQs)

1. What is the penalty for a Korean real estate agent who fails to disclose noise and vibration?

Under the Licensed Real Estate Agents Act, failing to properly confirm and explain property conditions (or failing to provide the written form) can result in a suspension of business operations (업무정지) for up to 6 months, or an administrative fine (과태료) of up to 5 million KRW.

2. Does a factory count as an "Undesirable Facility" (비선호시설)?

Not inherently. General manufacturing factories are not automatically classified as undesirable facilities under standard brokerage practices unless they specifically process waste, emit severe pollutants, or act as slaughterhouses/crematoriums. However, agents should still note them if they significantly impact the property.

3. Why are Environmental Conditions not required on Form II (Non-Residential)?

South Korean real estate law assumes that commercial buyers and lessees are engaging in business transactions and bear a higher burden of due diligence. Factors like residential sunshine or minor vibrations are considered less legally critical for a commercial storefront or office space than they are for a family home.

4. How does an agent verify "Sunshine" or "Noise" if the seller lies?

Agents are required to make a reasonable effort to verify these conditions, which is why they are classified as "Matters requiring actual investigation" (세부 확인사항). If the agent asks the seller and the seller provides false information, the agent must document the seller's response on the form to protect themselves from liability.

5. Is soil contamination disclosure required for residential land sales?

Soil contamination is not a standard checkbox under the statutory "Environmental Conditions" or "Undesirable Facilities" on the basic brokerage forms. However, if the agent is aware of severe contamination, they have a fiduciary duty based on the principle of good faith (신의성실의 원칙) to disclose any material facts that would influence the buyer's decision.

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Environmental Hazards Disclosure for the Korea Real Estate Agent Exam | Reledemy