積算100
[Assessed 127.4%] Detached house in Tokorozawa, Saitama — 13 min from Seibuen-Yuenchi Sta.
Assessed 127.4%Detached houseTokorozawa, SaitamaSeibuen-Yuenchi Sta. 13 min walk

[Assessed 127.4%] Detached house in Tokorozawa, Saitama — 13 min from Seibuen-Yuenchi Sta.

Published: Sep 7, 2026Updated: Sep 9, 2026

Property Overview

LocationTokorozawa, Saitama
Nearest StationSeibu Yamaguchi Line Seibuen-Yuenchi Sta.
Walk13 min walk
Assessed Ratio127.4%Assessed 127.4%
Price¥4,500,000
TypeDetached house
Expected Yield16%
StructureWooden
BuiltBuilt May 1973 (53 years old)
Land Area73.48㎡
Building Area64.86㎡

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.

Rakumachi¥4,500,000View listing

Assessed Value Breakdown

Land assessed value¥5,731,440
Building assessed value¥0
Total assessed value¥5,731,440
Asking price¥4,500,000
Assessed ratio127.4%

Calculation basis

  • Land = road price ¥78,000/m² × land area 73.48m²
  • Building = replacement cost ¥220,000/m² × floor area 64.86m² × remaining life 0y ÷ statutory life 22y
  • Built May 1973 (53 years old)

Official Road Price Trend (last 3 years)

Cumulative change 2024 → 2026: ±0.0%
YearRoad price (JPY/m²)YoY
202478,000
202578,000±0.0%
202678,000±0.0%

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

How We Checked This Property

With mostly interior photos, a single exterior shot and a blank road-frontage field, this listing gave us little to work with. Here is how we read the terrain from photo enlargement and elevation data, and narrowed 14 roadside-price map sheets down to the one covering the site.

Locating the road price

Yamaguchi in Tokorozawa spans 14 roadside-price map sheets, so we digitised the National Tax Agency's index map to place each sheet, then calculated which sheet the property coordinates embedded in the listing HTML fall on. On that sheet (34116), the 2024 edition shows lots numbered consecutively with the subject parcel (2686-7, -9, -10 and others), confirming it sits in the same block. The roads bordering the block are priced between 78,000 and 82,000 yen per square metre, and we adopted the lowest of them.

View source
Effective land area

Tokorozawa contains multiplier-rate areas where no roadside price is set — in Oaza Kitaiwaoka, for instance, the entire district is one. Sheet 34116 also carries "multiplier area" notations in its central and eastern portions, but we confirmed on the map that the subject block lies inside the priced zone. Where a multiplier area applies, our valuation method cannot be used at all, so this is the first thing we check.

On-site check from photos

Only one of the eight listing photos was taken outdoors. We enlarged three sections of it at full resolution and estimated the height of the decorative block retaining edge at the frontage two ways — against the 300-millimetre standard width of the roadside gutter grating, and against the fence height. Both came in under one metre. The 5-metre-mesh elevation data likewise showed 0.4 metres of variation across the surrounding 40-metre square, matching what the photo suggested.

Building valuation assumptions

A wooden building completed in May 1973 is far beyond the 22-year statutory useful life, so we valued the building at zero. The 127.4% figure rests entirely on the land. Personal effects remain in the house and it is sold as-is.

Rights and restrictions

The road-frontage field of the listing was blank for both direction and width. A blank frontage field alone does not remove a property from our candidates, but we have previously seen such listings turn out to be non-rebuildable. We have left rebuild eligibility as an open point that the numbers cannot settle.

What We Could Not Confirm

  • Neither the width nor the type (public or private) of the front road is stated. Confirm with the municipal office whether the site can be rebuilt on and whether a setback would be required.
  • The water and gas connections are listed as "under investigation". If they are absent, the connection work falls to the buyer.
  • Wastewater is handled by a septic tank. Check the maintenance cost and whether a connection to public sewerage is planned.
  • Boundaries are not marked. Confirm who bears the cost if a boundary survey becomes necessary.
  • Personal effects remain inside and the sale is as-is with the seller's defect liability waived. Budget for removal and renovation.

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

7-Eleven Tokorozawa Shimo-Yamaguchi
4 min walk from the station

About 300 metres north of the property. The listing describes it as roughly a 5-minute walk.

Source
Belc Yamaguchi
6 min walk from the station

A food supermarket about 410 metres away. The listing describes it as roughly an 8-minute walk, about 600 metres.

Source
Gyomu Super Tokorozawa Yamaguchi
5 min walk from the station

About 305 metres away. A food supermarket suited to bulk shopping.

Source

Neighborhood ② Dining Near the Station

McDonald's
6 min walk from the station

About 344 metres away, a roadside outlet on National Route 463.

Source
Bamiyan
6 min walk from the station

A Chinese restaurant chain about 360 metres away.

Source

About This Property

A detached house in the Yamaguchi residential district of Tokorozawa, a 13-minute walk from Seibuen-Yuenchi Station on the Seibu Yamaguchi Line. The listing also notes Shimo-Yamaguchi Station on the Seibu Sayama Line as roughly a 10-minute walk; from there, changing to the Seibu Ikebukuro Line at Nishi-Tokorozawa puts Ikebukuro just under an hour away. It suits suburban living or rental operation more than a daily commute into central Tokyo.

The building is a two-storey wooden 3DK completed in May 1973, with 64.86 square metres of floor area. At 53 years old it is well past the 22-year statutory useful life for wood, so our valuation assigns the building zero value. The house is currently vacant and personal effects remain inside. The listing marks the water supply and gas connections as "under investigation", and wastewater is handled by a septic tank. The condition of the utilities is worth checking before purchase.

The land is 73.48 square metres by registry, so the 4.5 million yen asking price works out to about 61,000 yen per square metre. The National Tax Agency's 2026 roadside land price for the site is 78,000 yen per square metre, putting the land alone at 5.73 million yen — above the asking price. Enlarging the single exterior photo in the listing, the decorative concrete-block retaining edge along the frontage measures at most about 0.9 metres, short of the 1-metre threshold we use to exclude a property. Japan's 5-metre-mesh elevation data shows only 0.4 metres of variation across the surrounding 40-metre square, and we found no step or stairway access at the road.

On the other hand, the road-frontage field of the listing is blank: neither the direction nor the width of the front road is stated. We have seen cases where a blank frontage field turned out to mean the site could not be rebuilt on, so confirm rebuild eligibility with both the municipal office and the agent. The sale also comes with unmarked boundaries, as-is condition, and a waiver of the seller's liability for defects. The valuation leaves room, but this property carries a long list of things to verify.

Estimated Financing

Assessed value ¥5,731,440 → estimated loan ¥4,500,000 (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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