What is the new "Osaka City Property Tax Overpayment Check Tool" and who developed it?

The "Osaka City Property Tax Overpayment Check Tool" is a free web service launched by Mycat Co., Ltd. as part of their "Shisanzei Navi" platform, designed to help property owners in Osaka City verify their fixed asset tax assessments.

What specific information do property owners need to provide to use the Osaka City Property Tax Overpayment Check Tool?

Users must input the property's ward, town name, block number, land area, total floor area, building structure, building age, current land and building assessed values, and the property's usage (residential, commercial, or other).

How does the tool determine the "Assessment Validity Score" for a property in Osaka City?

The tool cross-references the entered assessed values with published land prices and road-frontage values within the same ward, calculating a score based on how closely the assessment aligns with the benchmark of approximately 70% of published land prices.

What kind of insights does the "Ward-Specific Assessment Trend Report" offer to users?

This report provides an overview of assessment trends for the selected ward, highlighting factors like zoning changes in central areas (e.g., Kita-ku, Chuo-ku) or potential land price fluctuations due to development projects in bay-front areas (e.g., Suminoe-ku, Konohana-ku).

Besides assessment validity and trends, what other diagnostic feature is mentioned for the Osaka City Property Tax Overpayment Check Tool?

The tool also includes a "Building Depreciation Check" which assesses whether the age-based depreciation of a building has been correctly applied in its tax assessment.

AI News NQ Analysis

"Shisanzei Navi" Launches Osaka City Property Tax Overpayment Check Tool — Adds Diagnostic Features Covering Assessment Trends Across All 24 Wards

NQ Score 56/100

Key facts

"Shisanzei Navi" Launches Osaka City Property Tax Overpayment Check Tool — Adds Diagnostic Features Covering Assessment Trends Across All 24 Wards
Mycat has launched an Osaka City version of a property tax overpayment check tool.
Date: Mon Mar 30 2026 00:27:13 GMT+0900 (Japan Standard Time)

Direct answer

Mycat has launched an Osaka City version of a property tax overpayment check tool.

Citation: "Shisanzei Navi" Launches Osaka City Property Tax Overpayment Check Tool — Adds Diagnostic Features Covering Assessment Trends Across All 24 Wards (Mon Mar 30 2026 00:27:13 GMT+0900 (Japan Standard Time)), PR TIMES
Source: PR TIMES
Date: Mon Mar 30 2026 00:27:13 GMT+0900 (Japan Standard Time)

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Frequently Asked Questions

Q: What is the new "Osaka City Property Tax Overpayment Check Tool" and who developed it?: A: The "Osaka City Property Tax Overpayment Check Tool" is a free web service launched by Mycat Co., Ltd. as part of their "Shisanzei Navi" platform, designed to help property owners in Osaka City verify their fixed asset tax assessments.
Q: What specific information do property owners need to provide to use the Osaka City Property Tax Overpayment Check Tool?: A: Users must input the property's ward, town name, block number, land area, total floor area, building structure, building age, current land and building assessed values, and the property's usage (residential, commercial, or other).
Q: How does the tool determine the "Assessment Validity Score" for a property in Osaka City?: A: The tool cross-references the entered assessed values with published land prices and road-frontage values within the same ward, calculating a score based on how closely the assessment aligns with the benchmark of approximately 70% of published land prices.
Q: What kind of insights does the "Ward-Specific Assessment Trend Report" offer to users?: A: This report provides an overview of assessment trends for the selected ward, highlighting factors like zoning changes in central areas (e.g., Kita-ku, Chuo-ku) or potential land price fluctuations due to development projects in bay-front areas (e.g., Suminoe-ku, Konohana-ku).
Q: Besides assessment validity and trends, what other diagnostic feature is mentioned for the Osaka City Property Tax Overpayment Check Tool?: A: The tool also includes a "Building Depreciation Check" which assesses whether the age-based depreciation of a building has been correctly applied in its tax assessment.