A comprehensive breakdown of initial rental costs (security deposits, key money, agency fees, advance rent, guarantee fees, etc.) and their market rates. Real estate experts explain negotiation points for each cost and concrete methods to reduce initial expenses.

Reviewed by: Nobuyuki MoriPresident, M-Assets Co., Ltd. / Licensed Real Estate Transaction Specialist (Miyagi #018212)
A complete breakdown of upfront costs for rental contracts, including market rates. Learn how to calculate security deposits, key money, agency fees, prepaid rent, fire insurance, and key replacement costs—plus legal negotiation tactics to reduce your initial expenses.
A clear explanation of the differences between security deposits, key money, and renewal fees in rental contracts. From cases where security deposits aren't returned to considerations for zero key money properties, renewal fee negotiation methods, and strategies to reduce overall initial costs—a real estate professional thoroughly addresses your questions about rental expenses.
Initial rental costs for apartments include security deposits, key money, agency fees, and more, often totaling 3–6 months' rent. An industry expert with over 20 years of experience explains the meaning and market rates for each item, plus negotiation tips to reduce costs.
When moving to a rental apartment, one month's rent is far from enough to cover "initial costs." Typically, initial costs amount to 4–6 months' rent, and in central areas or properties with key money, they can easily reach 5–7 months' rent. Understanding the breakdown in advance and knowing which points are negotiable are the keys to keeping costs down.
A security deposit is money held by the landlord as collateral for unpaid rent or room damage and is settled and returned when you move out.
Standard range: 0–2 months' rent
In recent years, "zero deposit" properties have become more common, but with these properties there is a risk of being charged the full cost for restoration to original condition when moving out. With properties requiring one month's deposit, the deposit is offset against costs at move-out, so actual out-of-pocket expenses are often lower.
Negotiation tips
Key money is payment to the landlord as a token of gratitude and is not returned when you move out.
Standard range: 0–2 months' rent
In some areas like the Tokyo metropolitan area and Kyoto, 2 months' key money is standard, but in regional areas, zero key money properties are common. Unlike security deposits, key money is a pure cost, so negotiating it down is key to saving money.
Negotiation tips
This is the commission you pay to the real estate brokerage company.
Legal maximum: 1 month's rent plus consumption tax
Under the Real Estate Transaction Act, the legal limit for brokerage fees is 1 month's rent in total between tenant and landlord. While the brokerage company may charge either party, the convention is usually to charge the tenant 1 month's rent.
Properties with 0.5 months' agency fee
Legally, the proper maximum from the tenant is 0.5 months' rent plus tax (with the landlord paying 0.5 months' rent), but up to 1 month's rent can be charged with tenant consent. If you're told the brokerage fee is 1 month's rent, you have legal grounds to negotiate it down to 0.5 months' rent.
Zero-fee properties
"Zero brokerage fee" properties are becoming more common because the brokerage company receives the fee from the landlord in the form of advertising fees (AD). While this saves tenant costs, the selection of properties may be limited.
This is the rent for your move-in month paid in advance. If you move in mid-month, it is calculated on a pro-rated basis; if you move in early, one month's full rent is charged in advance.
Tips to keep costs down
This is the initial guarantee fee if you use a rental guarantor company.
Standard range: 30–100% of monthly rent (initial)
For details, please refer to the separate article "Joint Guarantor vs. Guarantor Company: Guarantee Fee Standards and How to Spot Illegal Screening," but costs vary significantly depending on the guarantor company's plan.
This is the fire insurance premium you must obtain when signing a rental agreement.
Standard range: ¥8,000–20,000 per year (often charged as a 2-year lump sum)
If the management company's designated insurance is expensive, some landlords will accept equivalent coverage from another insurance company.
This is the cost to replace the lock cylinder from the previous tenant.
Standard range: ¥10,000–15,000
While replacement is reasonable for security reasons, some believe the landlord should bear the cost (per Ministry of Land, Infrastructure, Transport and Tourism guidelines). You may be able to negotiate a 50/50 split or have the landlord cover the full cost.
Let's calculate using a ¥70,000 monthly rent property as an example.
| Item | Before negotiation | After negotiation (target) |
|---|---|---|
| Security deposit (2 months) | ¥140,000 | ¥70,000 (negotiated to 1 month) |
| Key money (1 month) | ¥70,000 | ¥0 (negotiated to zero) |
| Agency fee (1 month) | ¥77,000 | ¥38,500 (negotiated to 0.5 months) |
| Advance rent (1 month) | ¥70,000 | ¥70,000 |
| Guarantee fee (50% of rent) | ¥35,000 | ¥35,000 |
| Fire insurance (2 years) | ¥20,000 | ¥15,000 (selected independently) |
| Lock replacement fee | ¥15,000 | ¥7,500 (negotiated 50/50) |
| Total | approx. ¥427,000 | approx. ¥233,000 |
With negotiation and planning, you can save approximately ¥200,000.
Rental initial costs typically total 4–6 months' rent when combining security deposits, key money, agency fees, advance rent, guarantee fees, insurance premiums, and lock replacement costs. Key money and agency fees have the most room for negotiation, and negotiating during slow seasons (summer–fall) has a high success rate. By understanding the breakdown and negotiating each item, you can achieve savings of hundreds of thousands of yen.
Initial rental costs typically run 4–6 months of rent, but smart negotiation can significantly reduce this burden. This guide covers practical savings techniques: negotiating security deposits and key money, securing free rent, reducing agency fees, and leveraging off-season timing.
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