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  6. Designated investigation agency | Investigations to prevent the cancellation of land transactions and damages after sale.

Designated investigation agency | Investigations to prevent the cancellation of land transactions and damages after sale.

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Geographical and historical investigation

last updated:Sep 07, 2026

ジオテック
ジオテック
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Prevent the cancellation of land transactions and unfair price negotiations in advance! A historical investigation to strongly supplement important explanations and lead safe real estate transactions driven by the seller.

In the practice of land sale contracts, the discovery of soil contamination during negotiations or after the transfer can trigger significant delays in transactions, cancellations, and even lead to costly legal battles over damages. Particularly, "hidden defects" that the seller may not be aware of pose a brokerage risk that cannot be fully addressed by standard important matter explanations. This explanatory document details the strategic use of "historical land investigations before sale" to protect the trust of both sellers and buyers and facilitate smooth real estate transactions. Geotech, a designated investigation agency under the Soil Contamination Countermeasures Act, meticulously examines the past usage of the land and public documents to prepare an objective risk assessment report that strongly supplements the important matter explanations. Furthermore, it covers the establishment of numerical data evidence through voluntary sampling surveys for contamination concerns and how to incorporate special provisions into the sales contract. This practical guide emphasizes thorough risk management by brokerage firms, enhancing social credibility while leading safe transactions.

    Site and ground investigationDismantling and movingOther civil engineering services
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Designated investigation agency | Investigations to prevent the cancellation of land transactions and damages after sale.

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  • Related Link - https://www.jiban.co.jp/service/env/index.htm
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basic information

This service, provided by GeoTech Co., Ltd., a designated investigation agency under the Soil Contamination Countermeasures Act, offers high-precision pre-sale land history investigations and voluntary soil contamination surveys to prevent the risks of land transaction cancellations and compensation. It comprehensively collects and analyzes multi-layered historical data, including past public notification documents, residential maps, and aerial photographs, to create objective evaluation reports that enhance the reliability of important matter explanations. Additionally, if contamination concerns are identified, a Phase 2 sampling survey compliant with official methods will be promptly conducted to establish the contamination status underground as accurate numerical data. This provides strong evidence to prevent legal disputes and customer troubles in advance.

Price information

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Price range

P3

Delivery Time

P4

Applications/Examples of results

In real estate brokerage practices such as land transactions, sale of factory sites, and commercial property distribution, it is utilized as supplementary material for risk management and important matter explanations prior to contract conclusion. For sellers, it serves as a means to optimize disclosure obligations and to avoid risks of damages and transaction cancellations after the sale. For buyers, it is proposed as a method for early detection of defects and safety confirmation before asset acquisition. Additionally, it is used to formulate specific defect liability clauses based on accurate numerical data and as neutral evidence in negotiations over sale prices, aimed at ensuring reliable transaction promotion.

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Designated Investigation Agency | Soil Contamination Survey | Completely eradicate the breakdown of real estate land transactions and long-term disputes after sale, leading to seller-favorable transactions through historical investigations | Geotech

Designated Investigation Agency | Soil Contamination Survey | Completely eradicate the breakdown of real estate land transactions and long-term disputes after sale, leading to seller-favorable transactions through historical investigations | Geotech

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Soil contamination survey

Soil contamination survey

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Designated Investigation Agency | Soil Contamination Survey | How to Promote Cost Optimization Comprehensive Investigation through Gradual Sampling to Protect Corporate Social Credibility | Geotech

Designated Investigation Agency | Soil Contamination Survey | How to Promote Cost Optimization Comprehensive Investigation through Gradual Sampling to Protect Corporate Social Credibility | Geotech

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ジオテック

ジオテック

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