古賀市
Data last updated: November 2026 (Land Price Publication 2026, Prefectural Survey 2026, transactions through Q2 2026)
Tap anywhere on the map to get an estimate for that spot. Map: GSI Tiles.
| Avg. residential land price | Now | 1 year | 3 years | 5 years | 10 years |
|---|---|---|---|---|---|
| Forecast Forecast +5.2% a year | ¥79K/m² | ¥83K/m² | ¥92K/m² | ¥102K/m² | ¥132K/m² |
Forecasts are projections, not guarantees. 10-year range: ¥108K/m²–¥156K/m²
| Item | Assessed value | Market estimate | Area | Per m² (market estimate) |
|---|---|---|---|---|
| Residential land | ¥261.1 billion | ¥373.0 billion | 8.5 km² | ¥44K/m² |
| Other land farmland, forest, other | ¥16.6 billion | ¥16.6 billion | 16.0 km² | — |
| Buildings wooden ¥49.3 billion · non-wooden ¥82.5 billion | ¥131.8 billion | ¥131.8 billion | 3.9 km² floor | — |
| Total | ¥409.5 billion | ¥521.4 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.
| Area | Avg. residential | Avg. commercial | 1 year | 5 years | Condos per m² | Sales |
|---|---|---|---|---|---|---|
| Kazurugaoka 花鶴丘 |
¥102K/m² | — | +4.3% | +52.7% | — | 8 |
| Mainosato 舞の里 |
¥98K/m² | ¥120K/m² | +3.2% | +51.1% | — | 15 |
| Hiyoshi 日吉 |
¥96K/m² | — | +4.9% | +48.1% | — | 11 |
| Chuo 中央 |
¥95K/m² | — | +5.1% | +58.3% | — | 8 |
| Imanosho 今の庄 |
¥92K/m² | — | +6.3% | +61.7% | — | 12 |
| Tenjin 天神 |
¥88K/m² | ¥125K/m² | +4.0% | +46.5% | ¥224K/m² | 18 |
| Hanamiminami 花見南 |
¥88K/m² | — | +5.4% | +61.2% | — | 11 |
| Chidori 千鳥 |
¥88K/m² | — | +4.3% | +49.7% | — | 12 |
| Shinkubo 新久保 |
¥62K/m² | — | +4.7% | +42.1% | — | 6 |
| Netabi 米多比 |
¥42K/m² | — | +2.7% | +37.5% | — | 4 |
| Mushirouchi 筵内 |
¥32K/m² | — | +1.3% | +14.1% | — | 12 |
| Aoyagi 青柳 |
¥31K/m² | — | +2.0% | +31.5% | — | 6 |
| Hanamihigashi 花見東 |
— | ¥102K/m² | +5.2% | +49.1% | ¥267K/m² | 21 |
| Komono 薦野 |
— | — | — | — | — | 15 |
| Yakuoji 薬王寺 |
— | — | — | — | — | 1 |
| Odake 小竹 |
— | — | — | — | — | 7 |
| Kubo 久保 |
— | — | — | — | — | 6 |
| Miake 美明 |
— | — | — | — | — | 7 |
| Aoyagimachi 青柳町 |
— | — | — | — | — | 6 |
| Taniyama 谷山 |
— | — | — | — | — | 1 |
| Ekihigashi 駅東 |
— | — | — | — | — | 3 |
| Kawabaru 川原 |
— | — | — | — | — | 2 |
| Shishibu 鹿部 |
— | — | — | — | — | 2 |
| Oyamada 小山田 |
— | — | — | — | — | 1 |
| Shimbaru 新原 |
— | — | — | — | — | 1 |
| Gemboen 玄望園 |
— | — | — | — | — | — |
| Misato 美郷 |
— | — | — | — | — | 1 |
| Location | Use | Price per m² | ≈ USD/sq ft | 1 year | Station |
|---|---|---|---|---|---|
| 福岡県 古賀市天神１丁目１１９４番２５ Land Price Publication 2026 |
Commercial | ¥126K/m² | $74/sq ft | +5.0% | 古賀 300 m |
| 福岡県 古賀市天神５丁目９４４番１外 Prefectural Survey 2026 |
Commercial | ¥124K/m² | $73/sq ft | +1.6% | 店舗、事業所等が建ち並ぶ路線商業地域 |
| 福岡県 古賀市舞の里３丁目１５番１外 Prefectural Survey 2026 |
Commercial | ¥120K/m² | $71/sq ft | +2.6% | 小売店舗、飲食店舗が集まる国道沿いの商業地域 |
| 福岡県 古賀市花鶴丘１丁目１２番９ Prefectural Survey 2026 |
Residential | ¥103K/m² | $61/sq ft | +4.0% | 中規模一般住宅が多い区画整然とした住宅地域 |
| 福岡県 古賀市花見東７丁目１９２４番４５外 Land Price Publication 2026 |
Commercial | ¥102K/m² | $60/sq ft | +5.2% | 千鳥 500 m |
| 福岡県 古賀市花鶴丘１丁目１２番９ Land Price Publication 2026 |
Residential | ¥101K/m² | $60/sq ft | +4.7% | 古賀 1.1 km |
| 福岡県 古賀市舞の里１丁目１５番４ Prefectural Survey 2026 |
Residential | ¥98K/m² | $58/sq ft | +3.7% | 中規模一般住宅が多い区画整然とした住宅地域 |
| 福岡県 古賀市中央５丁目７８１番１５４ Land Price Publication 2026 |
Residential | ¥96K/m² | $56/sq ft | +6.1% | 古賀 1.4 km |
| 福岡県 古賀市日吉１丁目１００７番６ Land Price Publication 2026 |
Residential | ¥96K/m² | $56/sq ft | +4.9% | ししぶ 750 m |
| 福岡県 古賀市中央３丁目８７２番３８ Prefectural Survey 2026 |
Residential | ¥94K/m² | $56/sq ft | +4.1% | 中規模一般住宅が建ち並ぶ住宅地域 |
| 福岡県 古賀市今の庄２丁目５１７番２５ Land Price Publication 2026 |
Residential | ¥92K/m² | $55/sq ft | +6.3% | 古賀 1.6 km |
| 福岡県 古賀市天神６丁目１１５０番１０ Land Price Publication 2026 |
Residential | ¥88K/m² | $52/sq ft | +5.4% | 古賀 850 m |
| 福岡県 古賀市花見南２丁目１８１５番２４３ Land Price Publication 2026 |
Residential | ¥88K/m² | $52/sq ft | +5.4% | 古賀 1.5 km |
| 福岡県 古賀市千鳥２丁目１８６３番６４ Prefectural Survey 2026 |
Residential | ¥88K/m² | $52/sq ft | +4.3% | 中規模一般住宅が多い既成住宅地域 |
| 福岡県 古賀市青柳字藤津田２８６６番１外 Prefectural Survey 2026 |
Industrial | ¥82K/m² | $48/sq ft | +11.6% | 国道３号線背後の中工場等を中心とする工業地域 |
| 福岡県 古賀市新久保１丁目６６２番１ Land Price Publication 2026 |
Residential | ¥62K/m² | $37/sq ft | +4.7% | 古賀 1.8 km |
| 福岡県 古賀市米多比字大地田１６５５番２５ Prefectural Survey 2026 |
Residential | ¥42K/m² | $25/sq ft | +2.7% | 中規模一般住宅が見られる郊外の住宅地域 |
| 福岡県 古賀市筵内字裏ノ谷１６０４番１６ Prefectural Survey 2026 |
Residential | ¥32K/m² | $19/sq ft | +1.3% | 中規模一般住宅が多い郊外の住宅地域 |
| 福岡県 古賀市青柳字神田２９４６番１ Land Price Publication 2026 |
Residential | ¥31K/m² | $18/sq ft | +2.0% | ししぶ 2.5 km |
Sales in the loaded period: Land & building 233 · Land 88 · Pre-owned condo 35 · Farmland 23 · Forest 20
| District | Period | Type | Price | Area | Built | Per m² |
|---|---|---|---|---|---|---|
| Hanamiminami | Q2 2026 | Land | ¥75.0M | 620 m² | — | ¥120K/m² |
| Hanamiminami | Q2 2026 | Land & building | ¥30.0M | 400 m² | 1992 | — |
| Tenjin | Q2 2026 | Land & building | ¥43.0M | 155 m² | 2026 | — |
| Tenjin | Q2 2026 | Land & building | ¥35.0M | 150 m² | 2025 | — |
| Chuo | Q2 2026 | Land & building | ¥29.0M | 110 m² | 2024 | — |
| Chuo | Q2 2026 | Land & building | ¥24.0M | 340 m² | 1981 | — |
| Mainosato | Q2 2026 | Land & building (contract) | ¥37.0M | 280 m² | 1999 | — |
| Mainosato | Q2 2026 | Land & building (contract) | ¥27.0M | 255 m² | 1995 | — |
| Mainosato | Q2 2026 | Land & building (contract) | ¥24.0M | 270 m² | 1997 | — |
| Miake | Q2 2026 | Land & building (contract) | ¥53.0M | 225 m² | 2020 | — |
| Miake | Q2 2026 | Land & building (contract) | ¥21.0M | 165 m² | 2003 | — |
| Netabi | Q2 2026 | Land & building | ¥81.0M | 860 m² | 2004 | — |
| Hanamihigashi | Q2 2026 | Land & building (contract) | ¥32.0M | 185 m² | 2016 | — |
| Chidori | Q2 2026 | Land & building (contract) | ¥21.0M | 245 m² | 1990 | — |
| Chidori | Q2 2026 | Land & building (contract) | ¥33.0M | 140 m² | 2026 | — |
| Chidori | Q2 2026 | Land & building (contract) | ¥20.0M | 205 m² | 1994 | — |
| Mushirouchi | Q2 2026 | Farmland | ¥3.4M | 1,100 m² | — | — |
| Mushirouchi | Q2 2026 | Land & building | ¥40.0M | 1,400 m² | — | — |
| Hanamihigashi | Q2 2026 | Land | ¥15.0M | 180 m² | — | ¥82K/m² |
| Komono | Q2 2026 | Land & building | ¥13.0M | 770 m² | 1968 | — |
Population, income, rent, yield, transport and disaster risk will be added once sourced data is available. Methodology
The average price of residential land in Koga City is ¥79,364 per m² (about ¥262,360 per tsubo), based on 14 sites in the official land price surveys (2026).
Land prices in Koga City have risen by +4.1% on average over the past year. Over five years the change is +47.8%.
The median price of pre-owned condo transactions in the last two years is ¥223,529 per m², with a median price of ¥22.0 million (16 transactions, MLIT Real Estate Information Library).
The Fudosan Zukan model projects residential land prices to change by +5.2% a year, reaching about ¥131,844 per m² in 10 years (range ¥108,112–¥155,576). Forecasts are projections, not guarantees.
About ¥521.4 billion: land ¥389.6 billion and buildings ¥131.8 billion (estimated from assessed values for fixed-asset tax, FY2025; assessed total ¥409.5 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.