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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Local 10,000 Project (Regional Economic Circulation Creation Grant)BusinessMax ¥30M
Nationwide・FY2026・From April 1, 2026 (apply via municipality, multiple reviews within fiscal year)
Public subsidy for initial investment in private businesses (facility construction/renovation, equipment, etc.). Cap ¥30M (up to ¥55M depending on loan amount)
Conditions: Requires regional financial institution loan (generally uncollateralized) equal to or exceeding subsidy. Land acquisition not eligible. Apply through municipality (municipality applies to MIC)
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Relocation support grant (regional revitalization relocation support program)RelocationMax ¥1M
Nationwide・FY2026・Anytime (apply to destination municipality within 1 year of relocation)
¥1M per household (¥600K single) for moving from Tokyo's 23 wards to regional areas and finding employment, etc. Up to ¥1M added per child under 18
Conditions: Resided/commuted to Tokyo's 23 wards for 5+ years total within 10 years before relocation. Must work or telework in destination. Intent to live 5+ years required. Apply to destination municipality
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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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Comprehensive Akiya Countermeasures Support Project / Akiya Regeneration Promotion Project (Demolition)Demolition80%
Nationwide・FY2026・Set by each municipality
Subsidizes demolition of akiya (where site is planned for community revitalization, etc.) at 2/5 national, 2/5 municipal (owner bears 1/5)
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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Housing and Building Seismic Retrofit Program (Residential Seismic Retrofit)SeismicMax ¥1.1M
Nationwide・FY2026・Set by each municipality
Fixed national and local subsidy for residential seismic retrofits. Up to ¥1.15M (¥1.4M in heavy snowfall areas, ¥1.75M in densely built-up districts, etc.)
Conditions: Applications via municipality (indirect subsidy when local government has a subsidy program). Seismic diagnosis: 2/3 from national and local sources
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Housing and Building Seismic Retrofit Program (Private Building Seismic Retrofit)Seismic23%
Nationwide・FY2026・Set by each municipality
23% national and local subsidy for seismic retrofits of buildings used by many people (department stores, etc. ≥1,000㎡). 2/3 for disaster prevention sites such as evacuation shelters
Conditions: Applications via municipality (indirect subsidy when local government has a subsidy program). Energy-saving renovations combined with seismic retrofits also receive 23%
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Small Business Continuity Subsidy (General Type, Standard Category)BusinessMax ¥500K67%
Nationwide・FY2026・November 5, 2026 – December 15, 2026 (Round 20)
2/3 for sales channel development (including store renovation) for small businesses, cap ¥500K. Invoice special provision +¥500K, wage increase special provision +¥1.5M
Conditions: Small businesses (commerce/services ≤5 employees, lodging/entertainment/manufacturing ≤20). Requires support plan from Chamber of Commerce. Real estate acquisition not eligible
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New Business Expansion, Manufacturing and Commercial Services Subsidy (New Business Expansion Category)BusinessMax ¥70M50%
Nationwide・FY2026・September 30, 2026 – October 30, 2026 (Round 1)
1/2 for building costs, machinery, etc. for new business expansion. Cap ¥25M–¥70M by employee count (up to ¥90M with wage increase special provision)
Conditions: SMEs, etc. Plan must achieve annual average 4.0%+ added value, 3.5%+ wage increase (repayment if unmet). 2/3 rate with minimum wage increase special provision
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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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SME Growth Acceleration SubsidyBusinessMax ¥500M50%
Nationwide・FY2026・September 29, 2026 – November 12, 2026 (3rd call)
1/2 for large-scale investment (building costs, machinery, etc.) by SMEs aiming for ¥10B revenue. Cap ¥500M
Conditions: Revenue ¥1B–¥10B, investment ¥100M+, public "¥10B Declaration" required. Land cost and demolition not eligible
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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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Ayagawa Town Business Attraction Ordinance Grant SystemBusiness
Ayagawa Town, Kagawa・FY2026・April 1, 2025 – March 31, 2026
Grants to companies establishing factories etc. in town (¥500K/person)
Conditions: Targets manufacturing, agricultural/forestry/fishery product sales, hotel business, information services in former Ayakami Town area.
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Ayagawa Town Akiya Remodeling GrantRenovationMax ¥1M50%
Ayagawa Town, Kagawa・Must be completed within application fiscal year
Subsidizes 1/2 of remodeling costs for akiya bank properties (max ¥1M)
Conditions: Property listed on the Akiya Bank. Registration and residence required for 3+ years. Sale/rental to relatives within 3rd degree prohibited.
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Ayagawa Town Business Startup Support SubsidyBusinessMax ¥1M
Ayagawa Town, Kagawa・FY2026
Subsidizes part of startup costs for new businesses in town (max ¥1M)
Conditions: For those starting new businesses in town. Projects contributing to job creation and settlement promotion.
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Ayagawa Town Dilapidated Dangerous Akiya Removal Support Project SubsidyDemolitionMax ¥1.6M80%
Ayagawa Town, Kagawa・Year-round recruitment
Subsidizes 80% of removal costs for dilapidated dangerous akiya (max ¥1.6M)
Conditions: Targets akiya with risk of collapse and certain level of deterioration/damage.
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FY2026 Sakaide City Migration Promotion/Akiya Renovation SubsidyRenovationMax ¥2M50%
Sakaide City, Kagawa・FY2026・Performance report due within 30 days of work completion or by January 31, whichever is earlier
Grants for renovation costs of akiya bank properties. For migrants and prospective migrants.
Conditions: Migrant from outside prefecture. Purchase or lease akiya bank property. Within 6 months of contract. Intent to reside 3+ years.
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FY2026 Sakaide City Migration Promotion/Akiya Business Office Development SubsidyBusinessMax ¥4M50%
Sakaide City, Kagawa・FY2026・Performance report due within 1 month of work completion or by end of February, whichever is earlier
Renovate akiya bank property into business office. Max ¥4M for corporations, ¥2M for individuals.
Conditions: Corporation with head office outside prefecture or migrant sole proprietor. 1+ target migrant. Use 50%+ of akiya floor area as business office for 3+ years.
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FY2026 Sakaide City Deteriorated Dangerous Akiya Removal Support GrantDemolitionMax ¥1.6M80%
Sakaide City, Kagawa・FY2026・Accepting applications again in FY2026. Grants within budget limits.
Subsidy for demolition work of deteriorated dangerous akiya. 80% of eligible costs (max ¥1.6M)
Conditions: Deteriorated dangerous akiya in city. Demolition work required. Work starts after grant approval.
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Akiya Renovation Support Project SubsidyRenovationMax ¥1M
Tonosho Town, Kagawa・Year-round acceptance (applications accepted anytime)
Akiya Bank property renovation costs. Full amount up to ¥500K, 50% of excess (max ¥1M)
Conditions: Akiya Bank registrant or immigrant within 1 year of resident registration. Work by local contractors. Renovation targets: equipment, interior/exterior walls, etc.
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Akiya Utilization Promotion Subsidy [Business Use]BusinessMax ¥4M50%
Tonosho Town, Kagawa・FY2026・From April 1, 2026 (accepting applications)
50% subsidy for renovation/seismic/furniture disposal when using Akiya Bank property as business premises
Conditions: Corporate or individual business operator. Akiya Bank registered property. Post-renovation seismic compliance. Plan to use as business premises for 3+ years
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Subsidy terms change every fiscal year. Always confirm with the municipality before applying.