[Assessed 107.8%] Detached House, 14-min Walk from Omoridai Station, Chuo Ward, Chiba City

A disclosure first. This property has a retaining wall along the boundary with the front road, and we have not been able to confirm its height. We exclude properties with a retaining wall of 1 m or more in earth retention height, but here the listing photo is too small to measure. We are publishing this on the strength of the assessed ratio while unable to determine whether it crosses that line. If you are considering a purchase, please confirm the height and construction of the wall on site or with the agent.

A 6.00 million yen used detached house in Nitona-cho, Chuo Ward, Chiba City, a 14-minute walk from Omoridai Station on the Keisei Chihara Line. It is a two-storey wooden 3K built in August 1963 (63 years old), on 98.00 sqm of land (registered) with 64.28 sqm of floor area. The property is currently vacant.

The assessed ratio came to 107.8%. A 63-year-old wooden building is far past the 22-year statutory service life, so the building value is zero and the figure is land only. The 2026 inheritance tax roadside value is 66,000 yen per sqm (roadside value map 02021), and the effective site area is the listed 98.00 sqm as-is, giving 6,468,000 yen. Divided by the 6.00 million yen price, that is 107.8%. The roadside value has risen 11.9% in two years: 59,000 yen in 2024, 63,000 yen in 2025, 66,000 yen in 2026.

Nitona-cho spans ten roadside value map sheets. We took 02021, which covers the central built-up part containing Kagamiike Park, Nitona Park, Matsugaoka Municipal Elementary School, the Chiba East National Hospital and the prefectural Nitona Special Needs School. The longitude of the listing coordinates also matches the representative point the Geospatial Information Authority returns for Nitona-cho almost exactly. The subdivision roads within Nitona-cho on that sheet run 57D to 72D, and we adopted the mode, 66D. We took only subdivision roads so as not to be pulled by the 93D and 87D along the arterials.

Misreading the band would not change the conclusion. Even the lowest value in the band, 57D, gives 93.1%; 62D gives 101.3%; the upper bound 72D gives 117.6%. Whichever road in Nitona-cho is taken, the figure is well above 80%.

Here is how the wall measurement failed. The property is listed on both Kenbiya and athome, but each carries only one exterior photo, and it is the same 214 by 153 pixel image. Requesting a larger size from athome's image service returned the original dimensions unchanged. What the photo does show is that the site sits higher than the front road and that a continuous masonry retaining wall runs across the front of the site. The top of the wall is at roughly the same level as the site's ground surface, but the foot of the wall, where it meets the road, is cropped outside the frame.

We tried three approaches to the height and none worked. First, counting the block courses: we took the vertical brightness profile of the wall face across three intervals and computed its autocorrelation, but no period corresponding to 20 cm emerged. JPEG degradation has erased the joints. Second, comparison against an object of known size: there is no car, no person and no entrance door anywhere near the wall. A utility pole appears at the top edge of the frame and we could measure its width, but the ground position at its base is obscured by planting and shadow, so the scale could not be fixed. Third, perspective geometry, checking whether the top of the wall sits above or below the camera's eye level: we detected the top edge column by column, and not even the sign of its slope was stable.

Elevation data did not substitute for the photo either. The Geospatial Information Authority's 1 m laser survey is not available at this location, and the 5 m laser shows only a smooth 4 to 5% gradient across three section lines, with no step detected. More fundamentally, the listed address stops at the town name with no lot number, and athome itself states that the map pin comes from geocoding the information the agency entered and may differ from the actual location. So the coordinates cannot be tied to a specific parcel.

The frontage is also unclear. The listing's road access field reads as a dash, with the width and orientation withheld. In the photo the front road looks like a narrow subdivision road. The parking field is also blank, and given that the site stands above the road behind a retaining wall, parking may not be possible.

The zoning is Category II Medium-to-High-Rise Residential with a 60% building coverage ratio and a 200% floor area ratio. Private road burden and setback both read as dashes; the land category is residential and the terrain is flat. There is no note of rebuilding restrictions, a proviso road or the cliff ordinance. The unit price works out to about 61,200 yen per sqm, below the 66,000 yen roadside value.