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How Much Are Apartment Repair Costs? Investor Guide by Repair Type

An overview of apartment repair costs by category, including restoration, minor repairs, preventive maintenance, and large-scale repairs. We also explain practical ways investors can minimize costs and build reserves systematically.

Last updated: About 2 min read

In apartment management, repair costs are an expense that directly affects yield. Understanding the types of repair costs and their rough benchmarks is a fundamental skill for investors who want to keep cash flow stable.

What are apartment repair costs? Organizing the categories and cost benchmarks

Repair costs can largely be divided into four categories. Understanding the characteristics of each one makes planned cost control possible.

Restoration to original condition

Restoration to original condition refers to work performed after a tenant moves out to return the unit to the state it was in before move-in. The cost is usually deducted from the security deposit paid at the start of the lease. However, under the revised Civil Code rules on a tenant's obligation to restore the property, age-related deterioration, such as discolored wallpaper or dents in carpet, is generally the owner's responsibility. Only damage caused intentionally or negligently by the tenant is borne by the tenant.

Repairs for damaged areas

These are repairs carried out when equipment breaks down during occupancy or when damage occurs due to disasters or accidents. Failures involving kitchens, toilets, bathrooms, and other equipment vary widely in scale, which makes sudden expenses more likely. Regular preventive maintenance helps avoid unexpected high-cost repairs.

Preventive maintenance

This refers to planned repairs carried out before problems arise. Typical examples include exterior wall painting, roof replacement, and termite control, all of which can delay major repairs and reduce total costs. Renovations intended to address vacancy are also commonly carried out when a tenant moves out.

Major repairs

Among repair expenses, major repairs are the most costly. They usually cover painting or reworking roofs and exterior walls, and because scaffolding is often required, both project time and cost can easily increase. For older properties, seismic reinforcement work may also be added in some cases. Extending the repair cycle through regular maintenance and spreading out one-time costs is key to stabilizing returns.

What are three practical ways to reduce apartment repair costs?

Build repair costs into the plan from the design stage

It is important to have the house builder submit multiple plans, including repair cost simulations, at the construction stage and compare them carefully. Even if construction costs are low, a design that leads to high future repair costs will weaken long-term investment returns. Decisions should therefore be made based on life-cycle cost, combining both construction and repair expenses.

Be rigorous in tenant screening

Tenant behavior directly affects how quickly a unit deteriorates. Accepting tenants with poor manners increases restoration and repair costs and puts pressure on profitability. It is effective to clearly instruct the management company in advance to prioritize tenant screening that places weight on behavior and care for the property.

Use regular maintenance to reduce cumulative costs

Even when there is no visible damage, carrying out regular maintenance can significantly reduce the cumulative cost of repairs. Each visit has a cost, but leaving issues unattended until major repairs become necessary can multiply expenses several times over. Over 30 years, cumulative repair costs are often estimated at about 2 million yen per unit, so a monthly reserve plan is a basic requirement for stable management.

Frequently Asked Questions (FAQ)

How much do apartment repair costs run per year?

Over 30 years, cumulative repair costs are often estimated at about 2 million yen per unit. That works out to roughly 5,500 yen per month per unit. Because major repairs tend to occur once every 10 to 15 years, setting aside funds every month is a key point for stable management.

Who bears restoration costs, the owner or the tenant?

Under the revised Civil Code, age-related deterioration, such as sun fading or ordinary wear, is the owner's responsibility, while damage caused intentionally or negligently by the tenant is the tenant's responsibility. If the security deposit is not enough, the tenant can be billed for the difference, but claims that go beyond the applicable guidelines can easily lead to disputes.

When should major repairs be carried out?

Exterior wall painting is generally recommended every 10 to 15 years, and roofs every 10 to 20 years. Even when there is no visible damage, regular work helps keep total costs down. It is important to ask the management company or builder for an inspection before the expected repair timing arrives.

What is the relationship between tenant screening and repair costs?

Tenants with poor manners accelerate wear and tear in the unit, increasing restoration and repair costs. Securing high-quality tenants through proper screening is one of the most effective ways to control repair costs over the long term.

Can repair costs be recorded as expenses?

As a general rule, repair costs can be recorded as expenses in the year they are incurred. However, capital expenditures that improve the asset's value may need to be depreciated. It is important to confirm the appropriate treatment with a tax professional.

Daisuke Inazawa, President & CEO of INA&Associates Inc.

Author

President & CEOINA&Associates Inc.

President & CEO of INA&Associates Inc. Leads real estate brokerage, rental leasing, and property management across Greater Tokyo and the Kansai region. Specialises in income-property investment strategy and advisory for ultra-high-net-worth individuals.

Daisuke Inazawa is the President and CEO of INA&Associates Inc., a Japanese real estate firm headquartered in Osaka with a Tokyo branch. He leads the company's three core businesses — real estate sales brokerage, rental leasing, and property management — across the Greater Tokyo Area and the Kansai region.

His areas of expertise include investment strategy for income-generating real estate, profitability optimisation of rental operations, real estate advisory for ultra-high-net-worth individuals (UHNWIs) and institutional investors, and cross-border real estate investment. He provides data-driven, long-horizon advisory to investors in Japan and overseas.

Under the management philosophy "a company's most important asset is its people," he positions INA&Associates as a "people-investment company" and is committed to sustainable corporate-value creation through talent development. He also writes and speaks publicly on leadership and organisational culture in times of change.

He has passed eleven Japanese professional qualification examinations: Licensed Real Estate Broker (Takken), Certified Real Estate Consulting Master, Licensed Condominium Manager, Licensed Building Management Supervisor, Certified Rental Housing Management Professional, Gyōseishoshi Lawyer (administrative scrivener), Certified Personal Information Protection Officer, Class-A Fire Prevention Manager, Certified Auctioned Real Estate Specialist, Certified Condominium Maintenance Engineer, and Licensed Moneylending Operations Supervisor.

  • Licensed Real Estate Broker (Takken)
  • Certified Real Estate Consulting Master
  • Licensed Condominium Manager
  • Licensed Building Management Supervisor
  • Certified Rental Housing Management Professional
  • Gyōseishoshi Lawyer (Administrative Scrivener)
  • Certified Personal Information Protection Officer
  • Class-A Fire Prevention Manager
  • Certified Auctioned Real Estate Specialist
  • Certified Condominium Maintenance Engineer
  • Licensed Moneylending Operations Supervisor