Moving to Japan is exciting, but the apartment hunting process can quickly become frustrating when you realize most landlords require a Japanese guarantor (連帯保証人/rentai hoshōnin). This person must be a Japanese citizen or permanent resident who agrees to cover your rent if you can't pay.
For most foreigners arriving in Japan, finding someone willing to take on this significant legal and financial responsibility is nearly impossible. The good news? In 2026, you have more options than ever to rent an apartment without knowing a single Japanese person willing to be your guarantor.
This comprehensive guide covers everything you need to know about navigating the Japanese rental market as a foreigner without a traditional guarantor. For a broader overview of the entire rental process, check out our Complete Guide to Renting in Japan.
Understanding the Guarantor System in Japan
Before diving into solutions, it's important to understand why this system exists and what landlords are actually looking for.
Why Japan Requires Guarantors
The guarantor system developed because:
- Eviction is extremely difficult – Japanese tenant protection laws make it nearly impossible to evict someone quickly, even for non-payment
- Cultural emphasis on social accountability – Having someone vouch for you reflects the Japanese concept of taking responsibility
- Historical lack of credit scoring – Unlike Western countries, Japan didn't develop comprehensive credit scoring until recently
- Risk mitigation for small landlords – Many Japanese rental properties are owned by individuals, not corporations, who can't absorb losses
A traditional guarantor takes on serious responsibility. If you fail to pay rent, damage the property, or abandon your lease, the guarantor becomes legally obligated to pay all outstanding amounts. This is why most Japanese people are only willing to guarantee family members.
💡 Key Insight for 2026
The rental market has shifted significantly. In major cities like Tokyo and Osaka, approximately 80% of rental contracts now use guarantor companies instead of individual guarantors. This means landlords are increasingly comfortable with this system, making it easier for foreigners to rent.
Guarantor Companies: Your Primary Solution
Guarantor companies (保証会社/hoshō gaisha) are for-profit businesses that act as your guarantor in exchange for a fee. They've become the standard solution for renters without personal guarantors, including most Japanese young professionals.
How Guarantor Companies Work
- You apply to the guarantor company with your rental application
- They assess your ability to pay (income, employment stability, visa status)
- If approved, they guarantee your lease to the landlord
- You pay an initial fee and annual renewal fees
- If you fail to pay rent, they pay the landlord and then pursue you for repayment
Major Guarantor Companies in Japan (2026)
| Company | Foreigner-Friendly | Initial Fee | Renewal Fee |
|---|---|---|---|
| GTN (Global Trust Networks) | ✓ Excellent | 50-100% | ¥10,000/year |
| JID | ✓ Good | 50% | ¥10,000/year |
| Casa | ✓ Good | 50% | ¥10,000/year |
| Orico | Moderate | 50-70% | Varies |
| Jaccs | Moderate | 50% | 10,000-20,000/year |
GTN (Global Trust Networks) deserves special mention as they specialize in serving foreigners. They have multilingual support (English, Chinese, Korean, Vietnamese, and more) and understand the unique situations of expats, including those with short-term visas or newly arrived in Japan.
How to Apply for a Guarantor Company
The application process happens simultaneously with your apartment application. Here's what to expect:
Find an Apartment
Work with a real estate agency to find apartments that accept guarantor companies (most do now). The agency will tell you which guarantor company the property uses.
Submit Your Application
Complete both the rental application and guarantor company application. Your real estate agent will typically handle submitting these together.
Provide Required Documents
Gather all necessary documentation (see list below). Missing documents are the #1 cause of delays.
Wait for Screening
The guarantor company reviews your application (typically 2-5 business days). They may contact your employer to verify employment.
Receive Approval
Once approved, you can proceed with signing the lease and paying initial costs including the guarantor fee.
Required Documents for Foreigners
📋 Standard Document Checklist
- Residence Card (在留カード) – Copy of front and back
- Passport – Photo page and visa page
- Proof of Income – 3 months of payslips OR employment contract showing salary
- Certificate of Employment (在職証明書) – Your company's HR can provide this
- Japanese Bank Account Information – For automatic rent payment setup
- Emergency Contact – Someone in Japan (doesn't need to be Japanese)
- Inkan/Hanko – Personal seal (some agencies accept signatures now)
For students, you'll also need your enrollment certificate and potentially scholarship documentation or proof of sufficient funds. Self-employed individuals should prepare tax returns and business registration documents.
Having trouble getting approved? Read our detailed guide on What to Do When Your Rental Application is Rejected.
Complete Cost Breakdown
Understanding the full cost is crucial for budgeting. Many foreigners are surprised by the hidden costs of renting in Japan. Here's what to expect when using a guarantor company:
💰 Example: ¥80,000/month Apartment in Tokyo
This example shows approximately 5 months' rent needed upfront. This is actually on the lower end – some properties require 6-7 months' worth of initial costs. The guarantor company fee adds roughly 0.5-1 month to your initial expenses.
Annual Renewal Costs
Don't forget about ongoing costs:
- Guarantor company renewal: ¥10,000-30,000/year (or 10-30% of monthly rent)
- Lease renewal fee: Typically 1 month's rent every 2 years
- Fire insurance renewal: ¥10,000-20,000 every 2 years
Alternatives to Traditional Rentals
If the traditional rental route seems daunting, several alternatives require no guarantor at all:
1. Share Houses
Share houses have exploded in popularity among foreigners and young Japanese professionals. You get your own private room with shared common areas (kitchen, bathroom, living room