積算100
[Assessed 112.4%] Detached house in Koto Ward, Tokyo — 13 min from Ojima Sta.
Assessed 112.4%Detached houseKoto Ward, TokyoOjima Sta. 13 min walk

[Assessed 112.4%] Detached house in Koto Ward, Tokyo — 13 min from Ojima Sta.

Published: Sep 26, 2026Updated: Sep 26, 2026

Property Overview

LocationKoto Ward, Tokyo
Nearest StationToei Shinjuku Line Ojima Sta.
Walk13 min walk
Assessed Ratio112.4%Assessed 112.4%
Price¥29,800,000
TypeDetached house
Expected Yield7.24%
StructureWooden
BuiltBuilt Sep 1989 (37 years old)
Land Area85.86㎡
Building Area80.31㎡

Where This Property Is Listed

This property appears on the sites below. Listings matching on location, land area and building area are merged into a single article as the same property.

Kenbiya¥29,800,000View listing
Rakumachi¥29,800,000View listing

Assessed Value Breakdown

Land assessed value¥33,485,400
Building assessed value¥0
Total assessed value¥33,485,400
Asking price¥29,800,000
Assessed ratio112.4%

Calculation basis

  • Land = road price ¥390,000/m² × land area 85.86m²
  • Building = replacement cost ¥220,000/m² × floor area 80.31m² × remaining life 0y ÷ statutory life 22y
  • Built Sep 1989 (37 years old)

Official Road Price Trend (last 3 years)

Cumulative change 2024 → 2026: +14.7%
YearRoad price (JPY/m²)YoY
2024340,000—
2025360,000+5.9%
2026390,000+8.3%

※ Based on inheritance-tax road prices published each July — a reference for the trend in land collateral value.

How We Checked This Property

Because the lot number is not disclosed and road access is not listed, we counted every local road price in Kitasuna 6-chome on the 2026 route price map to see how the valuation changes depending on which road the lot faces, and checked the exterior photo and listing history.

Locating the road price

The lot number is not disclosed, so we counted every local road in Kitasuna 6-chome on sheets 30026 and 30022 of the 2026 route price map. Values range from ¥290,000 to ¥430,000/m²; excluding arterial roads such as Maruhachi-dori, we used the most common, ¥390,000/m², as the representative figure. The same road was ¥340,000 in 2024 and ¥360,000 in 2025. The band the lot actually faces is not identified. Even at the lowest band, ¥290,000/m², the assessed ratio is 83.6%, and it stays at 80% even if the effective land area falls to 82.2 m². The leasehold ratio symbol is C.

View source
Effective land area

No private road share, setback or sloped area is listed, and the width of the road in front is unknown, so we assessed the listed land area of 85.86 m² as is. Kenbiya's land area is shown excluding any private road portion.

On-site check from photos

Kenbiya and Rakumachi show the same two images: one exterior photo and a floor plan. In the exterior, the graveled front yard and the house are on the same flat ground, the entrance porch has a single step, and no retaining wall or slope is visible. It is one two-story wooden building including the second-floor sunroom, with a gravel path between it and the building to the right, so it is not a row house. The road in front is not visible, so the height difference with the road and whether the gravel path on the right is a narrow access strip cannot be determined.

Listing check

The Rakumachi listing (ID 3575763) was registered on March 23, 2026 and updated on September 23, about six months on the market; Kenbiya registered it on September 23. Road access, zoning and building coverage/floor area ratio are blank on both, and the layout is 4DK on Rakumachi and 3LDK or larger on Kenbiya. The agent is Rita Fudosan Co., Ltd.

What We Could Not Confirm

  • The type and width of the road access, and whether the lot faces a road recognized under the Building Standards Act (i.e., whether the house can be rebuilt), are not listed. Because the price is below the route-price land value, it should be checked whether restrictions apply such as no rebuilding, no private road share, a flag-shaped lot or a setback.
  • Zoning, building coverage ratio, floor area ratio and fire-prevention designation are blank in the listing.
  • The lot number is not disclosed, so the route price of the road the lot faces (¥290,000–430,000/m² within Kitasuna 6-chome) has not been identified.
  • The road in front is not visible in the photos, so the height difference with the road and whether the gravel path on the right is a narrow access strip (flag-shaped lot) cannot be determined.
  • The lease terms (rent breakdown, lease period, etc.) and the difference in layout descriptions (4DK vs. 3LDK or larger) cannot be read from the listing and should be confirmed along with the surveyed area.

※ Rather than reproducing the listing as-is, we verified the figures against public sources such as the official road price maps and the listing photos. This is not based on a site visit, so please confirm on site and with the seller before deciding.

Neighborhood ① Shopping Near the Station

Ministop Kitasuna 6-chome
14 min walk from the station

Convenience store in Kitasuna 6-chome, Koto Ward. About 310 m in a straight line from the centroid of Kitasuna 6-chome (measured on map data).

Source
7-Eleven Koto Kitasuna 5-chome
10 min walk from the station

Convenience store in Kitasuna 5-chome, Koto Ward. About 190 m in a straight line from the centroid of Kitasuna 6-chome (measured on map data).

Source
York Mart Higashisuna
10 min walk from the station

Supermarket in Higashisuna 1-chome, Koto Ward. About 360 m in a straight line from the centroid of Kitasuna 6-chome (measured on map data).

Source

Neighborhood ② Dining Near the Station

Domino's Pizza Ojima
4 min walk from the station

Pizza delivery and takeout shop in Ojima 5-chome, Koto Ward. About 510 m in a straight line from the centroid of Kitasuna 6-chome (measured on map data).

Source
Omura Soba
15 min walk from the station

Soba noodle restaurant in Higashisuna 2-chome, Koto Ward. About 650 m in a straight line from the centroid of Kitasuna 6-chome (measured on map data).

Source
Kohikan
16 min walk from the station

Coffee shop in Kitasuna 4-chome, Koto Ward. About 770 m in a straight line from the centroid of Kitasuna 6-chome (measured on map data).

Source

About This Property

⚠️ For this property, the road access, zoning, and building coverage/floor area ratio fields are blank on both Kenbiya and Rakumachi, so we could not confirm the type or width of the road in front or whether the house can be rebuilt. The road in front does not appear in the exterior photo either. The price is below the land value based on route prices, which could point to restrictions not shown in the listing, such as the house not being rebuildable, no share in a private road, a flag-shaped lot with a narrow access strip, or a required setback. None of these has been confirmed, so we cannot say that any of them applies.

⚠️ On Rakumachi the listing was registered on March 23, 2026 and updated on September 23, so it has been on the market for about six months since it first appeared (Kenbiya registered it on September 23). The lot number is not disclosed, so the route price of the road the lot actually faces has not been identified; we used ¥390,000/m², the most common value among local roads in Kitasuna 6-chome, as the representative figure.

This is a used detached house in Kitasuna 6-chome, Koto Ward, a 13-minute walk from Ojima Station on the Toei Shinjuku Line. The price is ¥29.8 million for 85.86 m² of land and an 80.31 m² two-story wooden house (49.57 m² on the first floor, 39.74 m² on the second), built in September 1989, with a 4DK layout (described differently across listings); both land and building are freehold. It is sold with a tenant in place (owner change), with an expected yield of 7.24% and expected annual rent of ¥2.16 million. The only photos are one exterior shot and a floor plan; the exterior shows a detached two-story wooden house (not a row house) on flat ground with no retaining wall visible. Whether the gravel path on the right is a narrow access strip cannot be determined from the photo.

The building is 37 years old and past its statutory useful life, so it is valued at ¥0 and only the land is assessed. Even if the lot faces the lowest-priced road in the area, ¥290,000/m², the assessed ratio would be 83.6%. Kitasuna is flat lowland along the Arakawa River. Distances to nearby places are straight-line distances measured with map data (OpenStreetMap) from the centroid of Kitasuna 6-chome, not from the property itself. The listing is handled by Rita Fudosan Co., Ltd. as the agent.

Estimated Financing

Assessed value ¥33,485,400 → estimated loan ¥29,800,000 (100% of the asking price)

※ Actual loan availability, amounts and terms are subject to each bank's screening.

Suggested Lenders

静岡銀行
Regional bankLand-value focusedStrong with detached housesGood with older buildings
本業年収700万円以上が検討対象。 相続税路線価から算出した「土地の積算」が60%以上出ていれば、基本的にフルローンとなる。 修正後バランスシートも重視しており、属性枠だけで終了する訳ではない為、可能な限り「土地」が高積算の物件を買い進めていきたい。
L&Fアセットファイナンス
Non-bank lenderLand-value focusedStrong with detached housesGood with older buildings
土地値が出る築古系が得意。 属性はほぼ問わない。 どんなに担保評価が付いたとしても8割融資が目安。 建物の価値に対してはほぼ担保評価を付けてくれない為、新築や築浅の物件は要注意。 但し、建売の売れ残りや変形地等の場合は、土地が広くて担保評価が伸びたり、賃料が高くて収益還元評価が伸びたりして、思わずハマるケースがある。 また、産休中でも行けた、貴重な存在の金融機関である。
関西みらい銀行
Regional bankAssessed-value focusedStrong with detached houses
土地から新築OK。 築古過ぎず、好立地で積算割合が高く、キャッシュフローが回る物件であれば、検討対象となる。 産休中はNG。 築古過ぎる場合は、信用金庫・信用組合のセゾンファンデックス保証付の不動産担保ローンが適す。

※ General tendencies of lenders covering this area, for information only. This does not guarantee or suggest any specific financing outcome.

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