Isumi City: property prices and land values

いすみ市

Data last updated: November 2026 (Land Price Publication 2026, Prefectural Survey 2026, transactions through Q2 2026)

Avg. residential land price
¥13K/m²
≈ $8/sq ft · 17 sites
#1280 of 1795 municipalities in Japan
Avg. commercial land price
¥23K/m²
≈ $14/sq ft · 2 sites
1-year change
−0.6%
Residential −0.6% · commercial −0.8%
5 years / 10 years
−3.9% / −8.9%
Same sites, chained
Pre-owned condos per m²
¥98K/m²
70 m² ≈ ¥6.8M · 4 sales
Pre-owned houses (median)
¥7.3M
≈ $46K · 51 sales
Real Estate Zukan Index
37/100
#1099 in Japan
Total real estate value Estimate
¥208.1 billion
≈ $1.3B · land ¥142.5 billion + buildings ¥65.6 billion
#707 of 1719 municipalities

Map official land price survey sites

Tap anywhere on the map to get an estimate for that spot. Map: GSI Tiles.

Price trend and forecast average chained from the same survey sites

¥10K/m²¥15K/m²¥20K/m²¥25K/m²¥30K/m²2006201020142018202220262036
ResidentialCommercialResidential forecast
Avg. residential land priceNow1 year3 years5 years10 years
Forecast Forecast
−0.5% a year
¥13K/m²¥13K/m²¥13K/m²¥13K/m²¥12K/m²

Forecasts are projections, not guarantees. 10-year range: ¥10K/m²–¥14K/m²

Total real estate value of Isumi City land and buildings · estimated from FY2025 assessed values for fixed-asset tax

Total value (market estimate)
¥208.1 billion
≈ $1.3B · 0.01% of Japan
Land (market estimate)
¥142.5 billion
residential land ¥132.0 billion
Buildings (assessed)
¥65.6 billion
33,150 buildings · 3.3 km² floor area
Assessed value (fixed-asset tax)
¥168.5 billion
land ¥102.9 billion · buildings ¥65.6 billion
ItemAssessed valueMarket estimateAreaPer m² (market estimate)
Residential land¥92.4 billion¥132.0 billion13.4 km²¥9,835/m²
Other land
farmland, forest, other
¥10.5 billion¥10.5 billion106.3 km²—
Buildings
wooden ¥47.4 billion · non-wooden ¥18.2 billion
¥65.6 billion¥65.6 billion3.3 km² floor—
Total¥168.5 billion¥208.1 billion

Market estimate: residential land is assessed at about 70% of official land prices, so its assessed value is divided by 0.7; other land and buildings are shown at assessed value. Tax-exempt land and buildings (roads, parks, etc.) are not included. Source: Ministry of Internal Affairs and Communications, survey of fixed-asset values (FY2025, by municipality), compiled by Fudosan Zukan.

Isumi City compared with larger areas

AreaAvg. residential≈ USD/sq ftIsumi City is1 year5 yearsCondos per m²Index
Isumi City ¥13K/m²$8/sq ft −0.6%−3.9% ¥98K/m²37
Chiba ¥118K/m²$70/sq ft 0.11x+4.2%+18.1% ¥324K/m²89
Japan ¥120K/m²$71/sq ft 0.11x+2.1%+8.0% ¥494K/m²—

Neighborhoods 38 · click a heading to sort

AreaAvg. residentialAvg. commercial1 year5 yearsCondos per m²Sales
Ohara
大原
¥20K/m² ¥26K/m² −1.3% −6.5% — 18
Fukahori
深堀
¥20K/m² — −2.0% −10.8% — 4
Misakichochoja
岬町長者
¥17K/m² ¥20K/m² ±0.0% −2.1% — 2
Hiari
日在
¥16K/m² — ±0.0% −3.0% — 4
Misakichoebado
岬町江場土
¥15K/m² — ±0.0% −0.7% — 4
小澤
小澤
¥13K/m² — −0.8% −4.5% — —
Misakichoshiigi
岬町椎木
¥12K/m² — −0.3% −1.3% — 7
Oharadai
大原台
¥12K/m² — −0.8% −5.6% — 10
Misakichooshibi
岬町押日
¥12K/m² — −0.9% −4.9% — 8
Kariya
苅谷
¥11K/m² — ±0.0% −0.9% — 3
Namegawa
行川
¥9,100/m² — ±0.0% −2.2% — 3
Nagashi
長志
¥8,790/m² — −0.8% −4.5% — 2
Misakichokuwada
岬町桑田
¥8,200/m² — −0.6% −3.0% — 1
Rakumachi
楽町
¥7,050/m² — −0.7% −3.4% — —
Ono
大野
¥5,920/m² — −0.5% −3.0% — —
Yamada
山田
— — — — — 10
Misakichonakahara
岬町中原
— — — — — 6
Misakichoizumi
岬町和泉
— — — — ¥98K/m² 6
Misakichoenokisawa
岬町榎沢
— — — — — 4
Misakichomikado
岬町三門
— — — — — 4
Misakichoizawa
岬町井沢
— — — — — 3
Wakayama
若山
— — — — — 3
Oharamogamidai
大原最上台
— — — — — 3
Misakichonakadaki
岬町中滝
— — — — — 2
Yamasa
弥正
— — — — — 2
Konodai
国府台
— — — — — 2
Ozawa
小沢
— — — — — 2
Mangi
万木
— — — — — 2
Matsumaru
松丸
— — — — — 1
Imazeki
今関
— — — — — 1
Shima
島
— — — — — 1
Iwafune
岩船
— — — — — 1
Nojitsu
能実
— — — — — 1
Nitta
新田
— — — — — 1
Ogiwara
荻原
— — — — — 1
Sakuda
作田
— — — — — 1
Misakichokamone
岬町鴨根
— — — — — 1
Misakichohigashinakadaki
岬町東中滝
— — — — — 1

Official land price survey sites highest first · 19 sites

LocationUsePrice per m²≈ USD/sq ft1 yearStation
千葉県 いすみ市大原字東仲町8699番
Prefectural Survey 2026
Commercial¥26K/m²$15/sq ft −1.5%店舗併用住宅、銀行等が建ち並ぶ駅前商業地域
千葉県 いすみ市大原字初芝9931番
Land Price Publication 2026
Residential¥22K/m²$13/sq ft −1.8%大原
1.0 km
千葉県 いすみ市深堀字梶野下240番2
Prefectural Survey 2026
Residential¥20K/m²$12/sq ft −2.0%一般住宅等が建ち並ぶ、空地も散見される住宅地域
千葉県 いすみ市岬町長者字南上宿65番1
Land Price Publication 2026
Commercial¥20K/m²$12/sq ft ±0.0%長者町
290 m
千葉県 いすみ市大原字川田8090番1外
Land Price Publication 2026
Residential¥18K/m²$11/sq ft −0.6%大原
1.0 km
千葉県 いすみ市岬町長者字南下宿217番6
Land Price Publication 2026
Residential¥17K/m²$10/sq ft ±0.0%長者町
870 m
千葉県 いすみ市日在字東側南1267番2
Prefectural Survey 2026
Residential¥16K/m²$10/sq ft ±0.0%農家住宅のほか別荘等も見られる既存の住宅地域
千葉県 いすみ市岬町椎木字鰯田1449番5
Prefectural Survey 2026
Residential¥15K/m²$9/sq ft −0.7%一般住宅と空地が混在する住宅地域
千葉県 いすみ市岬町江場土字宮新町233番1外
Prefectural Survey 2026
Residential¥15K/m²$9/sq ft ±0.0%中規模一般住宅と農家住宅等のある古くからの住宅地域
千葉県 いすみ市小澤字原529番2外
Prefectural Survey 2026
Residential¥13K/m²$8/sq ft −0.8%農家住宅、中小規模一般住宅等が混在する既存住宅地域
千葉県 いすみ市大原台306番11
Prefectural Survey 2026
Residential¥12K/m²$7/sq ft −0.8%中規模別荘住宅が見られる高台の閑静な住宅地域
千葉県 いすみ市岬町押日字松山1778番2
Prefectural Survey 2026
Residential¥12K/m²$7/sq ft −0.9%中規模農家住宅の中に一般住宅も見られる農家住宅地域
千葉県 いすみ市苅谷字東蔵畑1260番2
Prefectural Survey 2026
Residential¥11K/m²$7/sq ft ±0.0%一般住宅、農家住宅が混在する国道背後の住宅地域
千葉県 いすみ市岬町椎木字畑中2587番6
Land Price Publication 2026
Residential¥9,900/m²$6/sq ft ±0.0%太東
1.7 km
千葉県 いすみ市行川字内久保713番1外
Prefectural Survey 2026
Residential¥9,100/m²$5/sq ft ±0.0%農家住宅、一般住宅が混在する国道背後の住宅地域
千葉県 いすみ市長志字中2038番1外
Prefectural Survey 2026
Residential¥8,790/m²$5/sq ft −0.8%中規模一般住宅、農家住宅が建ち並ぶ県道沿いの農家住宅地域
千葉県 いすみ市岬町桑田字横町1001番4外
Prefectural Survey 2026
Residential¥8,200/m²$5/sq ft −0.6%中規模一般住宅と農家住宅が見られる沿道の農家住宅地域
千葉県 いすみ市楽町字中ノ森638番1
Prefectural Survey 2026
Residential¥7,050/m²$4/sq ft −0.7%農家住宅の建ち並ぶ農地の多い住宅地域
千葉県 いすみ市大野字沢畑171番1
Prefectural Survey 2026
Residential¥5,920/m²$3/sq ft −0.5%農家住宅の多い農地、山林の中の住宅地域

Transaction prices MLIT Real Estate Information Library · last 2 years · 125 sales

Condos per m² (median)
¥98K/m²
Condo price (median)
¥5.1M
Land & building (median)
¥7.3M
Land per m² (median)
¥6,700/m²

Sales in the loaded period: Land & building 205 · Land 165 · Farmland 90 · Forest 43 · Pre-owned condo 5

DistrictPeriodTypePriceAreaBuiltPer m²
WakayamaQ2 2026Land & building ¥11.0M200 m²1996—
YamadaQ2 2026Land & building ¥3.5M330 m²2001—
MisakichomikadoQ2 2026Land ¥2.8M150 m²—¥18K/m²
MisakichoebadoQ2 2026Land ¥1.4M520 m²—¥2,700/m²
MisakichoebadoQ2 2026Land & building ¥25.0M620 m²1997—
NittaQ2 2026Farmland ¥1.0M1,400 m²——
KariyaQ2 2026Land ¥50K145 m²—¥340/m²
MisakichochojaQ2 2026Land & building ¥23.0M950 m²1984—
MisakichooshibiQ2 2026Farmland ¥130K1,100 m²——
MisakichooshibiQ2 2026Land ¥9.5M1,400 m²—¥6,700/m²
FukahoriQ2 2026Land ¥4.3M240 m²—¥18K/m²
MisakichoizumiQ2 2026Pre-owned condo (contract) ¥4.0M60 m²1994¥67K/m²
MisakichoizumiQ2 2026Pre-owned condo (contract) ¥5.4M50 m²1994¥108K/m²
MangiQ2 2026Forest ¥800K470 m²——
HiariQ2 2026Land ¥1.4M155 m²—¥9,100/m²
OharamogamidaiQ2 2026Land ¥8.8M360 m²—¥24K/m²
OharaQ2 2026Farmland ¥670K220 m²——
OharaQ2 2026Land & building ¥21.0M270 m²2024—
OharaQ2 2026Land ¥200K60 m²—¥3,200/m²
OharaQ2 2026Land ¥9.0M850 m²—¥11K/m²

Real Estate Zukan Index breakdown percentile within Japan (100 = highest)

Market activity
63
1-year growth
40
5-year growth
40
10-year growth
43
Price level
29
Condo price level
4

Population, income, rent, yield, transport and disaster risk will be added once sourced data is available. Methodology

Nearby areas

FAQ

What is the average land price in Isumi City?

The average price of residential land in Isumi City is ¥12,874 per m² (about ¥42,559 per tsubo), based on 17 sites in the official land price surveys (2026).

Are land prices in Isumi City going up?

Land prices in Isumi City have fallen by -0.6% on average over the past year. Over five years the change is -3.9%.

How much do pre-owned condos cost in Isumi City?

The median price of pre-owned condo transactions in the last two years is ¥97,636 per m², with a median price of ¥5.1 million (4 transactions, MLIT Real Estate Information Library).

What is the land price forecast for Isumi City?

The Fudosan Zukan model projects residential land prices to change by -0.5% a year, reaching about ¥12,216 per m² in 10 years (range ¥10,017–¥14,415). Forecasts are projections, not guarantees.

What is the total value of real estate in Isumi City?

About ¥208.1 billion: land ¥142.5 billion and buildings ¥65.6 billion (estimated from assessed values for fixed-asset tax, FY2025; assessed total ¥168.5 billion).

Land prices are official survey prices (Land Price Publication as of January 1, Prefectural Land Price Survey as of July 1); transactions are MLIT transaction and contract prices. Averages, changes, forecasts and the index are calculated by Fudosan Zukan. All prices in Japanese yen; dollar figures (≈) at ¥157.25 = $1 are for reference. Estimated prices and forecasts on this site are for reference only and do not guarantee actual sale prices or appraisal values. The estimate is not a licensed real estate appraisal; it is an "AI-estimated price" calculated from public land price and transaction statistics. Forecasts are projections, not guarantees.