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RIBA GARDEN KOSUMO SQUARE20 floors 3LDK (74.26 m² · Southeast-facing)

Public portal listing as of 2026-10-21.

Unit summary

Price
3,900¥10,000173.6¥10,000/tsubo・52.5¥10,000/m²
Management fee + repair reserve (monthly)
25,970yen
Interior area
74.26㎡
Layout
3LDK
Floor
Floor 20 / 20 floors above ground
Orientation
Southeast
Status
Active listings
JPY 1,800,000 Price cut（4.4%）

confirmed. Dates in the price-change history are when this site confirmed each change and may not be the actual change dates.

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Estimate sale price and rent using this unit’s floor and sizeEstimate net proceeds from resale

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View Price per Tsubo distribution by floor ／ View nearby land prices on the map

RIBA GARDEN KOSUMO SQUARE: 20 floors, 3LDK, 74.3㎡, Southeast-facing unit details. Listed Price: JPY 39,000,000. The AI sale estimate (an indication of a likely sale price) is approximately JPY 32,810,000, and the asking price is 18.9% above the estimate.Compare the price per tsubo within the building.

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ROOM ANALYSIS

TOWERS SELECT INVESTMENT INDEX

We assess active listings across five dimensions: appreciation potential, relative value, asset quality, liquidity, and profitability.

Among active listings: top 52%

Standard

Listed 5636 listings 2945 place

Comparison group
5636Units
Calculation date

Scores are relative assessments centered on 50, not absolute ratings out of 100.

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This analysis is for reference and is based on TOWERS.SELECT's proprietary scoring. It does not guarantee investment results. Make decisions based on your own due diligence and consultation with qualified professionals.

By FloorPrice per TsuboDistribution

Currently listed units in the same building and units confirmed as removed during the most recent 30 days with complete daily collection are shown with floor on the horizontal axis and Price per Tsubo on the vertical axis. All values are the last confirmed asking price or rent, not transaction prices.

For sale ¥10,000/tsubo

Active listings 4Units
Active ListingsPrice Revision(Previous → Current)This UnitSale Valuation for a Standard 70㎡ Unit
For sale by floorPrice per Tsubo distribution. The horizontal axis shows floor and the vertical axis shows ¥10,000/tsubo. Active 4Units. Price per Tsubo(¥10,000/tsubo) 120 140 160 180 200 0 5 10 15 20 floor Estimated Sale Valuation:70㎡ · Estimate a hypothetical unit on each floor Floor 20 · previously 181.63 ¥10,000/tsubo → now 173.61 ¥10,000/tsubo Floor 9, 156.11 ¥10,000/tsubo, 84.28㎡, 4LDK Floor 15, 165.8 ¥10,000/tsubo, 77.76㎡, 3LDK Floor 19, 194.37 ¥10,000/tsubo, 69.39㎡, 3LDK Floor 20, 173.61 ¥10,000/tsubo, 74.26㎡, 3LDK, This Unit
Tap a point to see a unit summary and a link to the unit page or listing history here.
View valuation line criteria and floor-by-floor values
  • Because Management Fee was not entered, a monthly amount of JPY 13,988 is estimated from the median per-square-meter amount for 4 same-building records (active listing).
  • Because Repair Reserve was not entered, a monthly amount of JPY 10,589 is estimated from the median per-square-meter amount for 4 same-building records (active listing).
  • Because no direction was entered, the estimate uses the model's neutral value.
  • Because corner-unit status is unknown, the estimate uses standard-unit conditions.
  • The estimate assumes a vacant sale or rental. It does not reflect interior condition, views, or individual lease terms. If the unit is renovated, select that optional condition to include it in the sale estimate.
  • This is an indicative estimate based on the entered conditions. It does not identify a specific active listing and may differ from the estimate on a unit page.
  • 1Floor:129.4 ¥10,000/tsubo
  • 2Floor:131.8 ¥10,000/tsubo
  • 3Floor:133.4 ¥10,000/tsubo
  • 4Floor:135.1 ¥10,000/tsubo
  • 5Floor:136.5 ¥10,000/tsubo
  • 6Floor:137.6 ¥10,000/tsubo
  • 7Floor:138.2 ¥10,000/tsubo
  • 8Floor:139.3 ¥10,000/tsubo
  • 9Floor:138.9 ¥10,000/tsubo
  • 10Floor:139.6 ¥10,000/tsubo
  • 11Floor:139.6 ¥10,000/tsubo
  • 12Floor:140.0 ¥10,000/tsubo
  • 13Floor:140.4 ¥10,000/tsubo
  • 14Floor:140.2 ¥10,000/tsubo
  • 15Floor:139.6 ¥10,000/tsubo
  • 16Floor:140.3 ¥10,000/tsubo
  • 17Floor:142.6 ¥10,000/tsubo
  • 18Floor:145.2 ¥10,000/tsubo
  • 19Floor:147.2 ¥10,000/tsubo
  • 20Floor:148.0 ¥10,000/tsubo

Units on the same floor with the same unit price are grouped into one point showing the unit count. Differences in size, layout, orientation, and other features also affect the unit price.

View distribution data
  • Floor 9, 156.11 ¥10,000/tsubo, 84.28㎡, 4LDK
  • Floor 15, 165.8 ¥10,000/tsubo, 77.76㎡, 3LDK
  • Floor 19, 194.37 ¥10,000/tsubo, 69.39㎡, 3LDK
  • Floor 20, 173.61 ¥10,000/tsubo, 74.26㎡, 3LDK, This Unit
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Position within the building

No comparison is shown because fewer than 5 comparable units are listed in the building.

Compare similar units in the same building

A price reduction alone does not determine whether a unit is a good value. Compare asking prices in the same building alongside post-purchase payments.

Active listings with similar criteria in the same building

Shows up to six units with the same layout, floor area within ±15%, and floor within ±5 levels, ordered by the smallest area and floor differences. They are not ranked by price or price reduction. Also compare orientation, interior condition, and views.

This unit:3,900¥10,000（173.6 × ¥10,000/tsubo) / management fee + repair reserve 25,970yen/month

Estimated sale value and price range

Estimated Sale Price3,281¥10,000

Range Containing 80% of Public Transaction Prices2,775〜3,879¥10,000

Calculation date 2026-10-21

Change criteria and recalculate

The asking price is the seller's requested amount. An appraisal does not guarantee the closing price and varies with interior condition, views, and other factors.

Estimated ownership costs

Estimated monthly payment 162,293yen

Down Payment20% per year3.00%・35-year equal principal-and-interest repayment estimate.

Mortgage paymentEstimate 120,073yen
Management FeeAsking Price 14,760yen
Repair ReserveAsking Price 11,210yen
Estimated property taxesEstimate 16,250yen

Down payment:7,800,000yen, with a loan amount of 31,200,000yen。

“Listed amount” is the amount stated in the public listing. “Estimate” is calculated using assumptions; property tax and similar costs are estimated at 0.5% of the asking price per year. Actual taxes, interest rates, and borrowing limits vary by property and borrower. Purchase costs such as brokerage fees, registration fees, fire insurance, and repair reserve funds are excluded. Entered values are calculated only on this device and are neither saved nor transmitted.

Management and repair reserve fees comparison within the building

This unit: 25,970yen

Building4unit median is26,545yen, a difference of-575yen。

Estimated listing period

38 days or moreearliest confirmed date ·2026-09-14

Comparable transactions

These are not this unit's own transaction records. They are annual aggregates of Ministry of Land, Infrastructure, Transport and Tourism transactions matched to comparable conditions in the same building.

Comparable transaction price per tsubo

¥10,000/tsubo
Comparable transaction price per tsubo A line connecting annual values.The horizontal line marks This unit’s asking price per tsubo 173.6 ¥10,000/tsubo.Detailed values are also shown in the table below. 80 100 120 140 160 180 2008 2012 2017 2022 2026 Year ¥10,000/tsubo This unit’s asking price per tsubo 173.6 ¥10,000/tsubo 2008: 110.2 ¥10,000/tsubo(1 items) 2009: 110.2 ¥10,000/tsubo(1 items) 2010: 99.2 ¥10,000/tsubo(5 items) 2011: 118.1 ¥10,000/tsubo(1 items) 2012: 113.9 ¥10,000/tsubo(1 items) 2014: 102.8 ¥10,000/tsubo(1 items) 2015: 107.4 ¥10,000/tsubo(2 items) 2016: 105.8 ¥10,000/tsubo(1 items) 2017: 107.4 ¥10,000/tsubo(2 items) 2019: 132.2 ¥10,000/tsubo(3 items) 2020: 111.9 ¥10,000/tsubo(3 items) 2021: 119.8 ¥10,000/tsubo(9 items) 2022: 128.1 ¥10,000/tsubo(5 items) 2023: 134.6 ¥10,000/tsubo(4 items) 2024: 120.5 ¥10,000/tsubo(8 items) 2025: 142.7 ¥10,000/tsubo(2 items) 2026: 137.3 ¥10,000/tsubo(4 items) This unit’s asking price per tsubo 173.6 137.3
Endpoint: 137.3 ¥10,000/tsuboTrace or tap the chart, or focus it and use the left and right arrow keys to inspect values.

Hollow points indicate years with fewer than 10 transactions. Medians based on small samples can fluctuate, so treat the line as a general trend.

Year Transactions Median price per tsubo Median price per m²
View 2008 transactions 1 JPY 1,102,000/tsubo JPY 333,000/m²
View 2009 transactions 1 JPY 1,102,000/tsubo JPY 333,000/m²
View 2010 transactions 5 JPY 992,000/tsubo JPY 300,000/m²
View 2011 transactions 1 JPY 1,181,000/tsubo JPY 357,000/m²
View 2012 transactions 1 JPY 1,139,000/tsubo JPY 344,000/m²
View 2014 transactions 1 JPY 1,028,000/tsubo JPY 311,000/m²
View 2015 transactions 2 JPY 1,074,000/tsubo JPY 325,000/m²
View 2016 transactions 1 JPY 1,058,000/tsubo JPY 320,000/m²
View 2017 transactions 2 JPY 1,074,000/tsubo JPY 325,000/m²
View 2019 transactions 3 JPY 1,322,000/tsubo JPY 400,000/m²
View 2020 transactions 3 JPY 1,119,000/tsubo JPY 338,000/m²
View 2021 transactions 9 JPY 1,198,000/tsubo JPY 362,000/m²
View 2022 transactions 5 JPY 1,281,000/tsubo JPY 388,000/m²
View 2023 transactions 4 JPY 1,346,000/tsubo JPY 407,000/m²
View 2024 transactions 8 JPY 1,205,000/tsubo JPY 365,000/m²
View 2025 transactions 2 JPY 1,427,000/tsubo JPY 432,000/m²
View 2026 transactions 4 JPY 1,373,000/tsubo JPY 415,000/m²

LAND PRICE

Explore Nearby Land Prices

View the Land-Price Map for Around RIBA GARDEN KOSUMO SQUARE

See how nearby land is valued.
Use the map to check each location and explore prices and their changes.

Official Land Prices · 2026 as of January 1 · Nearby3Location

Indicative nearby land value59.9 ¥10,000/tsubo18.1¥10,000/m²

Average weighted more heavily toward nearer points

Change from previous year10.1 %

Compared with the same points one year earlier · 3Location

5-year annual average9.2 %

Five-year change converted to an annual rate · 3Location

Residential land · Warehouse in 3 reference points used.Prices for each point are listed below. 48.9〜65.5 ¥10,000/tsubo。Compare locations and land uses on the map to understand the average.

This is the assessed value per tsubo of land (1 tsubo = 3.30579㎡).This does not represent the unit's price or rent, or the assessed value of the building's site. The same land-value information is shown for every unit in the building.

Loading map. Point locations and prices are also available in the list.

buildings This building1 Official land pricesRef. 1 Reference survey

Select a number to view point details. Lines and distances from the building are straight-line measurements.

Official land prices 2026YearJanuary 1

1L01-27107-000-008Residential land

Official survey location: 34.651416, 135.432681

64.1 ¥10,000/tsubo19.4¥10,000/m²From building 1997 m

Year-on-year 3.2%5-year annual average 1.5%

2L01-27125-009-002Warehouse

Official survey location: 34.626663, 135.429772

65.5 ¥10,000/tsubo19.8¥10,000/m²From building 2295 m

Year-on-year 14.5%5-year annual average 14.2%

3L01-27104-009-001Warehouse

Official survey location: 34.662873, 135.404338

48.9 ¥10,000/tsubo14.8¥10,000/m²From building 2420 m

Year-on-year 13.8%5-year annual average 13.2%

Reference: Prefectural Land Price Survey · 3Location

Prefectural Land-Price Survey 2025YearJuly 1

Because the survey date and locations differ, these values are excluded from the official land-price average above.

Ref. 1L02-27107-000-004Residential land

Official survey location: 34.654698, 135.447496

69.1 ¥10,000/tsubo20.9¥10,000/m²From building 3374 m

Year-on-year 2.5%5-year annual average 0.8%

Ref. 2L02-27104-009-001Factory

Official survey location: 34.675565, 135.416301

30.7 ¥10,000/tsubo9.3¥10,000/m²From building 3681 m

Year-on-year 6.9%5-year annual average 5.0%

Ref. 3L02-27108-000-002Residential land

Official survey location: 34.640279, 135.455285

51.2 ¥10,000/tsubo15.5¥10,000/m²From building 3811 m

Year-on-year 1.3%5-year annual average 0.5%

How has the nearest point's price changed?

Location1（L01-27107-000-008) over time. Unlike the “Indicative nearby land value” above, this tracks one consistent point.

Land-price trend at location 1

¥10,000/tsubo
Land-price trend at location 1 A line connecting annual values.Detailed values are also shown in the table below. 58 60 62 64 66 2017 2019 2021 2023 2025 2026 Year ¥10,000/tsubo 2017: 60.5 ¥10,000/tsubo 2018: 60.2 ¥10,000/tsubo 2019: 59.8 ¥10,000/tsubo 2020: 59.8 ¥10,000/tsubo 2021: 59.5 ¥10,000/tsubo 2022: 59.5 ¥10,000/tsubo 2023: 59.8 ¥10,000/tsubo 2024: 60.5 ¥10,000/tsubo 2025: 62.1 ¥10,000/tsubo 2026: 64.1 ¥10,000/tsubo 64.1
Endpoint: 64.1 ¥10,000/tsuboTrace or tap the chart, or focus it and use the left and right arrow keys to inspect values.
View annual prices in a table
YearPrice (¥10,000/tsubo)
201760.5
201860.2
201959.8
202059.8
202159.5
202259.5
202359.8
202460.5
202562.1
202664.1
How to Read the Figures, Calculation Method, and Sources
Indicative nearby land value
Prices for the listed points are weighted by the inverse of each point's stored distance from the building. For points with verified coordinates, map and list distances are straight-line measurements from the building's current coordinates. If those coordinates were updated, they may differ from the distances used in the calculation. This is not a site valuation adjusted for land use or road conditions.
Change from previous year
Year-on-year changes at the same locations are weighted by distance. “—” means no comparable value is available.
5-year annual average (CAGR)
This converts the change since five years ago into an annual rate, assuming the same rate each year. It is not the total five-year increase. Only comparable points are weighted by distance.

Official land prices: search radius 5,000 m, 3locations.

Prepared by TOWERS.SELECT using MLIT National Land Numerical Information: Published Land Prices (L01-26)

Prefectural Land-Price Survey: search radius 5,000 m, 3locations.reference average 50.9 ¥10,000/tsubo, year-on-year 3.6%, 5-year annual average 2.1%。

Prepared by TOWERS.SELECT using MLIT National Land Numerical Information: Prefectural Land Price Survey (L02-25)

About RIBA GARDEN KOSUMO SQUARE

Location
Osaka, Suminoe Ward, Osaka, Nankokita 1-chome
Completion date
September 2006
Number of Floors
20 stories above ground
Total units
273 units
Structure
RC

View the RIBA GARDEN KOSUMO SQUARE building page