Subsidy programs are run by Japanese municipalities, and their pages are in Japanese. Most require residency or registration in the town.
Mirai Eco Housing 2026 Program (Renovation)RenovationMax ¥1M
Nationwide・FY2026・Applications accepted until December 31, 2026 (reservations until November 16; ends when budget limit reached)
Fixed subsidy for energy-saving renovations such as insulation upgrades. Up to ¥400K–¥1M per unit (depending on construction date and scope of work)
Conditions: In principle, houses built on or before December 31, 2016. Applications filed by registered contractors and rebated to owners. Cannot be combined with other subsidies using national funds
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Existing Housing Insulation Renovation Support ProjectRenovationMax ¥1.2M33%
Nationwide・FY2026
1/3 for insulation renovation of existing housing (total insulation or living room only). Detached: cap ¥1.2M; multi-unit: ¥150K per unit
Conditions: Homeowners, etc. Total insulation requires 15%+ heating/cooling energy reduction. FY2026–2028 project
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Decarbonization Renovation Acceleration Project for Commercial Buildings (Decarbonized Building Renovation)RenovationMax ¥1B
Nationwide・FY2026・June 4, 2026 – November 30, 2026
1/2–1/3 for renovation of existing commercial buildings (schools, hotels, etc.) with insulated windows, insulation, high-efficiency HVAC, LED, etc. Cap ¥1B
Conditions: Requires 30% (hotels, restaurants, etc.) or 40% (offices, schools, etc.) energy savings by use. Minimum ¥2M. Ends when budget exhausted
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Akiya Countermeasures Model Project (Hard Infrastructure)Renovation33%
Nationwide・FY2026・April 20, 2026 – May 20, 2026
Direct national subsidy for high-model akiya countermeasures by NPOs/private businesses. 1/3 of renovation costs, 2/5 of demolition costs
Conditions: Must be selected through MLIT proposal call (requires model nature in renovation/demolition technology, methods, construction processes, etc.). Project runs through FY2026
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Comprehensive vacant house countermeasures program / Vacant house revitalization promotion program (utilization)Renovation67%
Nationwide・FY2026・Set by each municipality
Subsidy for renovating vacant houses for community revitalization use of 10+ years: national 1/3, municipality 1/3 (owner bears 1/3)
Conditions: Apply via municipality (only municipalities with vacant house countermeasure plans that have established subsidy systems under this program). Actual rate and cap depend on municipal system
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CO2 Reduction Renovation Support Project for AkiyaRenovationMax ¥10M33%
Nationwide・FY2026
1/3 for CO2 reduction through high-efficiency equipment when renovating akiya into commercial facilities. Cap ¥10M
Conditions: Local governments, private businesses, organizations, etc. Requires specified CO2 reduction and operational improvement measures
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ZEB and CO2 Reduction Promotion Acceleration Project for Buildings (ZEB Conversion of Existing Buildings)Renovation
Nationwide・FY2026
1/3–2/3 subsidy for ZEB conversion renovation of existing commercial buildings, based on floor area, use, and ZEB rank (cap ¥300M–¥500M)
Conditions: Private businesses: existing buildings <2,000㎡, must achieve ZEB or Nearly ZEB. Schools, hotels, etc. (non-office): 2/3 or 1/2
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Pre-school Education and Childcare Facility Development Grant (Nursery School, etc. Development)Renovation75%
Nationwide・FY2026・Set by each municipality
Subsidy for new construction, repair, renovation, etc. of private nursery schools and certified centers for early childhood education and care. National 1/2, municipality 1/4 (operator bears 1/4)
Conditions: Applications via municipality (based on municipal development plan). Operators: social welfare corporations, school corporations, or those approved by municipality. Increased to 2/3 national for waiting list and depopulation countermeasures
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Advanced Window Renovation 2026 ProgramRenovationMax ¥1M
Nationwide・FY2026・Applications accepted until December 31, 2026 (reservations until November 16; ends when budget limit reached)
Fixed subsidy for insulated window upgrades including interior windows, exterior window replacement, and glass replacement. Up to ¥1M per residential unit; up to ¥10M per non-residential building
Conditions: Work must use registered products. Applications filed by registered contractors (window renovation contractors). Non-residential: up to ¥1M for floor area ≤240㎡; up to ¥10M for >240㎡
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Agricultural, Mountain and Fishing Village Promotion Grant (Farm Stay Type - Facility Development)RenovationMax ¥25M50%
Nationwide・FY2026・January 23, 2026 – February 12, 2026 (additional call: June 15, 2026 – July 2, 2026)
1/2 of costs to renovate old farmhouses, closed schools, etc. into lodging/stay facilities. Cap ¥25M (up to ¥50M for idle facility renovation)
Conditions: Implemented by regional councils/core organizations (private companies possible; council organization required). Must provide lodging, dining, and experiences. Municipal idle assets: cap ¥75M
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Comprehensive Childcare Support Program Subsidy (Support for Renovation Costs of Nursery Schools, etc. in Rental Properties)RenovationMax ¥73.2M75%
Nationwide・FY2026・Set by each municipality
Subsidy for renovation costs to open or expand capacity of nursery schools, etc. in rental properties. Standard amount per facility: ¥19.97M–¥73.22M depending on capacity
Conditions: Applications via municipality (implementing body: municipality). National 1/2, municipality 1/4 (operator bears 1/4). Fixed-term lease properties ineligible
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Live in Fukushima Comprehensive Akiya Countermeasure Support ProjectRenovation
Fukushima・FY2026・Varies by participating municipality
Prefecture and participating municipalities jointly subsidize akiya renovation, leftover belongings disposal, demolition for rebuilding, and surveys. Caps vary by municipality
Conditions: For migrants from outside the prefecture, dual-residence holders, child-rearing households, newlywed households, etc. No prefectural application required; apply to participating municipality's subsidy program
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Fukushima Prefecture 12 Municipalities Akiya Renovation SubsidyRenovationMax ¥2.5M
Fukushima・FY2026・April 1, Reiwa 8 to January 29, Reiwa 9 (may end when budget cap reached)
Amount after deducting ¥300K self-burden from akiya renovation/cleanup costs in 12 municipalities (cap ¥2.5M, cleanup only cap ¥500K)
Conditions: Migrants from outside the 12 municipalities (Tamura City, Minamisoma City, Kawamata Town, etc.) for own residence. Licensed contractor in prefecture, completion by end of February, 5+ years residence
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Date City Akiya Renovation Support Project SubsidyRenovationMax ¥1M50%
Date City, Fukushima・Anytime (closes when budget reached)
1/2 of renovation costs for akiya bank property buyers (up to ¥1M for out-of-prefecture relocators/child-rearing/newlywed households). Add ¥200K in depopulated areas
Conditions: Purchase akiya bank property for own residence, settle 3+ years. If receiving prefecture housing acquisition subsidy, limit ¥500K. Start after approval, complete within fiscal year
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Koriyama City Akiya Community Use Renovation SubsidyRenovationMax ¥400K67%
Koriyama City, Fukushima・FY2026・July 31, Reiwa 8 to November 30, Reiwa 8
2/3 of costs to renovate akiya into exchange facilities, temporary stay facilities, cultural facilities, etc. (cap ¥400K)
Conditions: Privately owned akiya unused for 1+ year. Owner or lessee with consent also eligible. Community use for 10+ years after renovation with annual reports. Begin after grant decision
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Miharu Living Akiya Renovation Support Project (Akiya Renovation)RenovationMax ¥1.8M50%
Miharu Town, Fukushima・FY2026・Until December 25, R8 (recruitment suspended due to budget limit reached)
1/2 of renovation costs for akiya in town (up to ¥1.8M). Cleaning/leftover item disposal with renovation: separate 1/2 (up to ¥200K)
Conditions: Reside 5+ years after renovation. Work by town contractors. Town residents must not live in self-owned homes. Complete by end of March R9
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Nishiaizu Town Settlement Promotion Project (Akiya Maintenance Subsidy)RenovationMax ¥1M50%
Nishiaizu Town, Fukushima・FY2026
50% of akiya bank registered property renovation costs (cap ¥1M). Registration/inheritance, etc.: cap ¥400K; cleaning: cap ¥200K
Conditions: Privately owned akiya in town (excluding rental/sales-purpose apartments, etc.). Akiya bank use via real estate agent with town agreement
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Kawamata Town Akiya Renovation Support GrantRenovationMax ¥1M
Kawamata Town, Fukushima・Apply for certification before contract/construction; submit grant application within 1 year of certification
Actual-cost reimbursement for akiya bank property renovation (cap ¥1M)
Conditions: Migrants who lived outside town for 3+ years, etc. 5+ years residence required. Licensed contractor with business office in town. Apply for certification before contract/construction
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Kawamata Town Comprehensive Akiya Countermeasure Support Subsidy (Renovation)RenovationMax ¥1.8M50%
Kawamata Town, Fukushima・FY2026・Completion within fiscal year of application (within budget)
50% of akiya renovation costs (cap ¥1.8M, ¥960K for dual-residence). ¥200K added per qualifying criterion: local company employment, under 40, etc.
Conditions: Akiya bank properties purchased or leased by migrants, dual-residence holders, child-rearing or newlywed households for own residence. Completion within fiscal year
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Asakawa Town Akiya Renovation Support ProjectRenovation
Asakawa Town, Fukushima・FY2026
Up to ¥2.46M for akiya renovation, up to ¥960K for demolition/rebuilding (including prefectural subsidy) in coordination with prefecture's Sunde Fukushima Project
Conditions: For migrants from outside the prefecture, dual-residence holders, child-rearing households, newlywed households, etc. (prefectural program requirements). Details: Town Construction & Waterworks Division 0247-36-1184
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Soma City Akiya Renovation Support Subsidy (Renovation Costs)RenovationMax ¥1.8M50%
Soma City, Fukushima・FY2026・April 15–October 30, 2026 (closes when budget reached)
50% of akiya renovation costs (cap ¥1.8M, ¥960K for dual-residence). Up to ¥600K added (¥200K each) for akiya bank property, city contractor, etc.
Conditions: Migrants from outside prefecture, child-rearing households, newlywed households, etc. purchasing/leasing detached homes, etc. unused for 3+ months for own residence. Closes upon reaching budget
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Minamisoma City Akiya Utilization Promotion Subsidy (Renovation)RenovationMax ¥1M17%
Minamisoma City, Fukushima・FY2026・Apply before work begins; project period until March 31, Reiwa 9 (within budget)
1/6 of akiya bank property renovation costs (cap ¥1M). Additional 1/12 (cap ¥250K) each for designated zones, multiple children, newlyweds, farming
Conditions: Permanent residence in akiya/vacant land bank property, neighborhood association membership. Renovation ¥300K+, city contractor, pre-work application. Refund if relocation within 5 years
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Kitashiobara Village Akiya Renovation SubsidyRenovationMax ¥1.5M50%
Kitashiobara Village, Fukushima・FY2026・Anytime (apply before starting, closes when limit reached)
1/2 of costs to renovate akiya for relocation (up to ¥1.5M)
Conditions: Within 2 years of purchase/rental. Purchase from 3rd-degree relatives not eligible. Reside 5+ years and join neighborhood association. Order from village contractors in principle. Apply before starting
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Subsidy terms change every fiscal year. Always confirm with the municipality before applying.