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[Assessed 86%] Detached house in Mihama Ward, Chiba City, Chiba — 18 min from Kemigawahama Sta.
Assessed 86%Detached houseMihama Ward, Chiba City, ChibaKemigawahama Sta. 18 min walk

[Assessed 86%] Detached house in Mihama Ward, Chiba City, Chiba — 18 min from Kemigawahama Sta.

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

Property Overview

LocationMihama Ward, Chiba City, Chiba
Nearest StationJR Keiyo Line Kemigawahama Sta.
Walk18 min walk
Assessed Ratio86%Assessed 86%
Price¥68,800,000
TypeDetached house
StructureReinforced concrete (RC)
BuiltBuilt Mar 2012 (14 years old)
Land Area205.8㎡
Building Area122.14㎡

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.

athome¥68,800,000View listing

Assessed Value Breakdown

Land assessed value¥30,870,000
Building assessed value¥28,300,098
Total assessed value¥59,170,098
Asking price¥68,800,000
Assessed ratio86%

Calculation basis

  • Land = road price ¥150,000/m² × land area 205.8m²
  • Building = replacement cost ¥330,000/m² × floor area 122.14m² × remaining life 33y ÷ statutory life 47y
  • Built Mar 2012 (14 years old)

Official Road Price Trend (last 3 years)

Cumulative change 2024 → 2026: +11.1%
YearRoad price (JPY/m²)YoY
2024135,000—
2025140,000+3.7%
2026150,000+7.1%

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

How We Checked This Property

Rather than reposting the listing as is, we checked the 2026 route price maps and seven exterior photos in the listing to confirm the representative route price, the level difference between the road and the lot, and the condition of the boundaries.

Locating the road price

Isobe 3-chome spans four sheets of the 2026 route price maps (sheets 03286, 03287, 03290 and 03291), but almost every local road within the chome is 150,000 yen/㎡ (leasehold ratio D), which we took as the representative value. Following the same road on sheet 03291 over three years, it was 135,000 yen in 2024, 140,000 yen in 2025 and 150,000 yen/㎡ in 2026. We did not include the arterial roads around the edge (155,000 yen/㎡) or the road on the boundary with 4-chome (160,000 yen/㎡). The lot number is not published, so the road the lot faces has not been identified, but at 155,000 yen/㎡ the ratio would be about 87.5% and at 145,000 yen/㎡ about 84.5%, so the conclusion does not change much with the choice of value within the chome.

View source
Effective land area

The land area of 205.80 ㎡ is the registered area. The lot fronts a 6.0 m-wide public road directly on the southeast side, and no private road share or setback is stated. We used the listed area as is.

Building valuation assumptions

The house is a two-storey RC building completed in March 2012 (14 years old). Against the 47-year statutory useful life for RC buildings, the remaining 33 years are included in the building's assessed value. The February 2026 repainting of the exterior walls and roof and the replacement of the kitchen and bathroom fittings are not reflected in the assessment.

On-site check from photos

We checked seven exterior photos. Three steps lead up from the parking space facing the southeast road to the garden, and we estimated the lot to be about 0.5-0.7 m above the road. The wall along the road has three courses of concrete block (about 0.6 m) at the bottom topped by decorative openwork blocks, all under 1 m. Along the western boundary there is a two-course block retaining edge (about 0.4 m), and on the eastern side a mesh fence on a block base stands at almost the same level as the neighbouring lot. The area is a flat residential district on reclaimed land, where each house is built up about 0.5 m above the road. It is not a flag-shaped lot, and the house is fully detached.

What We Could Not Confirm

  • The northern and rear boundaries are hidden behind the building and do not appear in the photos, so the level difference with the neighbouring lots and whether there is any retaining wall there have not been confirmed.
  • The listing's feature tags include "corner lot", but the road access field mentions only the 6.0 m-wide public road on the southeast side. Whether there is a second road, and its type, must be confirmed with the broker.
  • The level difference from the road up to the garden (about 0.5-0.7 m) is an estimate from the number of steps and block courses in the photos, not a measurement.
  • The address is published only down to Isobe 3-chome, without a lot number, so the route price of the road the lot faces has not been identified. We used 150,000 yen/㎡, the value of most local roads in the chome.

※ 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 Kemigawahama

Convenience store in Isobe 4-chome, Mihama Ward, Chiba City. The listing's neighbourhood section gives it as 640 m from the property.

Source
Yaoko Kemigawahama

Supermarket in Isobe 5-chome, Mihama Ward, Chiba City. The listing's neighbourhood section gives it as 1,140 m from the property.

Source
Daily Yamazaki Chiba Isobe 2-chome

Convenience store in Isobe 2-chome, Mihama Ward, Chiba City, about 410 m in a straight line from the centroid of Isobe 3-chome to its OpenStreetMap position.

Source

Neighborhood ② Dining Near the Station

THE SURF OCEAN TERRACE

Restaurant inside Inage Seaside Park, in Isobe 2-chome, Mihama Ward, Chiba City, about 410 m in a straight line from the same chome centroid.

Source
Teuchi Soba Yamamoto (手打ち蕎麦 山元)

Handmade soba restaurant in Isobe 4-chome, Mihama Ward, Chiba City, about 560 m in a straight line from the same chome centroid.

Source
Ristorante Cafe (リストランテカフェ・アンリエチェリー)

Italian restaurant and cafe in Isobe 4-chome, Mihama Ward, Chiba City, about 600 m in a straight line from the same chome centroid.

Source

About This Property

This is a pre-owned detached house in Isobe 3-chome, Mihama Ward, Chiba City, Chiba. The nearest station is Kemigawahama on the JR Keiyo Line, an 18-minute walk. The listing's neighbourhood section gives these distances from the property: 7-Eleven Kemigawahama (Isobe 4-chome) 640 m, Yaoko Kemigawahama (Isobe 5-chome) 1,140 m, Naka-Isobe Park 310 m, Isobe Elementary School 590 m, Kaihin Hospital 610 m and Isobe Junior High School 620 m. The listing gives no restaurants, and because the exact position of the property is not published, we measured straight-line distances from the centroid of Isobe 3-chome to each OpenStreetMap position: Daily Yamazaki Chiba Isobe 2-chome about 410 m, the restaurant THE SURF OCEAN TERRACE inside Inage Seaside Park about 410 m, the soba restaurant Teuchi Soba Yamamoto about 560 m and an Italian restaurant-cafe (リストランテカフェ・アンリエチェリー) about 600 m.

The building is a two-storey reinforced concrete (RC) house with a 4LDK layout, built in March 2012 (14 years old), with a total floor area of 122.14 ㎡. In February 2026 the exterior walls and roof were repainted, the kitchen, bathroom, toilets, washbasin and water heater were replaced, and the wallpaper in every room was renewed. The land is 205.80 ㎡ (registered area) of freehold with no private road share or setback, and it fronts a 6.0 m-wide public road on the southeast side for 11.7 m. It is in a Category 1 Low-rise Exclusive Residential Zone with a 50% building coverage ratio and a 100% floor area ratio, and is subject to the Landscape Act. There is parking for two or more cars, and the house is vacant and available for immediate handover. ⚠️ The lot sits about 0.5-0.7 m above the front road, and three steps lead up from the roadside parking space to the garden (estimated from the photos at under 1 m).

The property is not listed as an income property, and no assumed rent or yield is given. We used the 2026 route price of 150,000 yen/㎡ (leasehold ratio D), which has risen about 11.1% over three years. As an RC building only 14 years old, the building carries a large assessed value, and land and building together give an assessed value of about 86.0% of the 68.8 million yen price, with the building accounting for nearly half of it. Note that the building's assessed value falls each year as it ages, and that the February 2026 renovation is not reflected in the assessment.

The area is a flat residential district on reclaimed land, and the front road is a 6.0 m-wide public road. ⚠️ However, while the listing's feature tags include "corner lot", the road access field mentions only the southeast side, and the northern and rear boundaries do not appear in the photos, so any level difference there has not been confirmed. The broker is Mitsui no Rehouse Shin-Kamagaya Center (Mitsui Fudosan Realty, general brokerage), and the listing was published on September 25, 2026.

Estimated Financing

Assessed value ¥59,170,098 → estimated loan ¥59,170,000 (86% of the asking price)

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

Suggested Lenders

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。
滋賀銀行
Regional bankAssessed-value focusedStrong with detached houses
土地から新築OK。 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。 但し、産休中はNG。
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融資
Shinkin bankAssessed-value focusedStrong with detached houses
築古でも可。 築年数は問わず、土地の積算さえ出ていれば、20年程度の期間で融資してくれるケースが多い。 但し、立地が良くないと、担保評価が付かず取扱不可となる。 新築や築浅に関しても、建物の価値を適切に判断してくれる為、やりやすい。

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

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