Roommate Replacement & Joint Lease Liability Vietnam 2026

Shared residential living is one of the most popular housing arrangements for expatriates, English language educators, tech specialists, and young professionals in Vietnam. From spacious multi-level townhouses at /property/thao-dien-townhouse-4br-river-proximity/ and live-work shophouses at /property/the-global-city-soho-shophouse-4br-live-work/, to expansive 3-bedroom condominiums at /property/one-verandah-mapletree-thanh-my-loi-condo-3br/ or /property/masteri-thao-dien-tower-t5-condo-3br/, co-tenancy offers an affordable way to enjoy premium lifestyle amenities.

However, co-living arrangements carry significant legal risks when a roommate decides to depart before the lease expires. Under the Civil Code 2015 (Law No. 91/2015/QH13), signing a lease agreement alongside flatmates creates joint and several liability (nghĩa vụ liên đới). If one roommate unexpectedly packs their bags, defaults on rent, or causes structural damage, the landlord has the statutory right to demand the entire shortfall from the remaining occupants.

This comprehensive guide provides an authoritative legal analysis of co-tenant liability in Vietnam, details the tri-party security deposit rollover formula, outlines the statutory step-by-step novation process, and provides a vetted bilingual contract addendum to guarantee a smooth transition without forfeiting your master deposit.

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1. Statutory Framework: Joint and Several Liability in Vietnam

When multiple expat tenants sign a residential lease in Vietnam, their legal relationship with the landlord is governed by strict civil principles:

1. Civil Code 2015 (Law No. 91/2015/QH13 - Articles 288 to 291 on Joint Obligations):
   • Article 288 (Performance of Joint and Several Obligations): Stipulates that where multiple obligors bear a joint obligation, the obligee (the landlord) may demand that any one of the obligors perform the entire obligation in full. If one roommate leaves without paying their share of the rent, the landlord is not legally required to hunt down the departed tenant; the landlord can legally demand that the remaining roommates pay 100% of the rent immediately.
   • Article 289 (Performance of Divisible Obligations): Unless the contract explicitly divides the rent into separate independent shares with separate individual leases per bedroom, the law presumes indivisible joint liability.
   • Article 290 (Effect of Joint Obligation on Non-Defaulting Parties): When one co-obligor defaults, the landlord’s right to demand performance applies equally across all co-obligors.
2. Housing Law 2023 (Law No. 27/2023/QH15 - Articles 131 and 132):
   • Governs residential lease execution, modification, and termination. Article 132 establishes that unauthorized subleasing or introducing unapproved third-party occupants gives the landlord statutory grounds to unilaterally terminate the lease agreement, evict all tenants, and claim contractual damages.
3. Civil Code 2015 (Articles 365 and 370 - Assignment and Novation):
   • Article 365: Regulates the assignment of contractual rights (chuyển giao quyền yêu cầu).
   • Article 370: Governs the transfer of contractual obligations (chuyển giao nghĩa vụ). To legally release a departing roommate and substitute an incoming tenant, the landlord must provide formal written consent.

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2. The Tri-Party Security Deposit Rollover Equation

When a roommate departs mid-lease, asking the landlord to refund one-third or one-half of the master deposit is virtually impossible. Landlords will not refund partial deposits while the overall apartment remains occupied because the deposit protects the entire property.

The standardized legal and financial mechanism used in Vietnam is the Tri-Party Security Deposit Rollover. The incoming replacement tenant steps into the financial shoes of the departing tenant by reimbursing them directly after accounting for damages and unpaid bills.

┌────────────────────────────────────────────────────────────────────────────────────────┐
│                   TRI-PARTY SECURITY DEPOSIT ROLLOVER ARCHITECTURE                     │
├────────────────────────────────────────────────────────────────────────────────────────┤
│ STEP 1: INITIAL MASTER DEPOSIT (HELD BY LANDLORD)                                      │
│ • Landlord holds master deposit: D_master = D1 + D2 + D3 (Remains 100% untouched)     │
├────────────────────────────────────────────────────────────────────────────────────────┤
│ STEP 2: OUTGOING ROOMMATE NET REFUND EQUATION                                          │
│                                                                                        │
│        D_refund = D_share - C_damage - U_unpaid + P_rent                               │
│                                                                                        │
│ • D_share   : Departing roommate's original deposit contribution                       │
│ • C_damage  : Itemized share of room repairs & communal deep cleaning                  │
│ • U_unpaid  : Pro-rated share of outstanding electricity, water & internet bills       │
│ • P_rent    : Credit for any prepaid rent covering dates after departure               │
├────────────────────────────────────────────────────────────────────────────────────────┤
│ STEP 3: DIRECT TENANT-TO-TENANT SETTLEMENT                                             │
│ • Incoming Replacement Tenant pays D_refund directly to Outgoing Departing Tenant.     │
│ • Outgoing Tenant signs release voucher; Incoming Tenant inherits D_share equity.      │
│ • Landlord executes bilingual Novation Addendum validating new tenant's deposit share. │
└────────────────────────────────────────────────────────────────────────────────────────┘

Practical Financial Worked Example (VND & USD)

To illustrate how the rollover equation operates in practice, consider a 3-bedroom shared apartment in Thao Dien:

Parameters:
- Monthly Total Rent: 36,000,000 VND ($1,417 USD) -> $472 USD (12,000,000 VND) per bedroom
- Master 2-Month Deposit: 72,000,000 VND ($2,834 USD)
- Outgoing Roommate Deposit Share (D_share): 24,000,000 VND ($945 USD)

Itemized Move-Out Deductions:
1. Bedroom Repainting & Scuff Removal (C_damage_room): 1,500,000 VND ($59 USD)
2. Share of 1/3 Common Area Deep Cleaning (C_damage_communal): 500,000 VND ($20 USD)
3. Pro-rated Unpaid Electricity & AC Bill (U_unpaid): 1,200,000 VND ($47 USD)
4. Pro-rated Unpaid High-Speed Fiber Internet: 150,000 VND ($6 USD)
5. Prepaid Rent Credit (5 days paid beyond departure date) (P_rent): +2,000,000 VND (+$79 USD)

Calculation:
D_refund = 24,000,000 - (1,500,000 + 500,000) - (1,200,000 + 150,000) + 2,000,000
D_refund = 24,000,000 - 2,000,000 - 1,350,000 + 2,000,000
D_refund = 22,650,000 VND ($892 USD)

Settlement Execution:
- Incoming replacement tenant pays 22,650,000 VND ($892 USD) directly to departing tenant.
- Landlord continues holding the full 72,000,000 VND master deposit with zero financial risk.

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3. Step-by-Step Roommate Replacement Protocol

Executing a legally sound roommate substitution requires following a structured administrative protocol to prevent future disputes:

[Departing Tenant Gives Notice] (30-45 days prior)
                 │
                 ▼
[Stage 1: Landlord Written Pre-Approval]
Submit replacement candidate's passport and visa copy to Landlord for background screening
                 │
                 ▼
[Stage 2: Joint Move-Out & Move-In Inspection]
Remaining tenants, departing tenant & incoming tenant audit bedroom condition and utilities
                 │
                 ▼
[Stage 3: Financial Settlement & Novation Execution]
Incoming tenant pays net D_refund to departing tenant; All 4 parties sign Bilingual Addendum
                 │
                 ▼
[Stage 4: Digital Police Re-Registration]
Landlord de-registers departing tenant and registers incoming tenant on VNeID / Police Portal

Table: Roommate Replacement Protocol & Compliance Matrix

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4. Complete Bilingual Roommate Novation Addendum Template

Below is the production-ready, legally enforceable bilingual contract addendum drafted under Vietnam’s Civil Code 2015 and Housing Law 2023:

**BILINGUAL CONTRACT ADDENDUM: ROOMMATE NOVATION AND LEASE ASSIGNMENT**

**PHỤ LỤC HỢP ĐỒNG: THAY ĐỔI NGƯỜI THUÊ VÀ CHUYỂN GIAO NGHĨA VỤ THUÊ NHÀ**
*(Ban hành kèm theo Hợp đồng thuê nhà số: [Số HĐ] ký ngày [Ngày ký HĐ gốc])*

**CÁC BÊN THAM GIA:**
1. **BÊN CHO THUÊ (Landlord)**: 
   - Ông/Bà: [Họ và tên], CCCD/Hộ chiếu: [Số], Địa chỉ: [Địa chỉ thường trú].
2. **BÊN THUÊ TIẾP TỤC (Remaining Co-Tenants)**:
   - Ông/Bà: [Họ và tên], Hộ chiếu số: [Số], Quốc tịch: [Quốc tịch].
3. **BÊN THUÊ RÚT LUI (Outgoing Departing Tenant)**:
   - Ông/Bà: [Họ và tên], Hộ chiếu số: [Số], Quốc tịch: [Quốc tịch].
4. **BÊN THUÊ THAY THẾ (Incoming Replacement Tenant)**:
   - Ông/Bà: [Họ và tên], Hộ chiếu số: [Số], Quốc tịch: [Quốc tịch].

**ĐIỀU KHOẢN THỐNG NHẤT:**

**Điều 1: Chuyển Giao Quyền và Nghĩa Vụ Thuê (Novation & Assignment)**
1.1. Kể từ ngày [Ngày có hiệu lực], Bên Thuê Rút Lui chính thức chấm dứt mọi tư cách pháp lý, quyền lợi và nghĩa vụ phát sinh từ Hợp đồng thuê nhà gốc.
1.2. Bên Thuê Thay Thế đồng ý tiếp nhận toàn bộ quyền, nghĩa vụ và trách nhiệm liên đới của Bên Thuê Rút Lui theo quy định tại Điều 288 Bộ luật Dân sự 2015. Bên Thuê Thay Thế cùng với Bên Thuê Tiếp Tục chịu trách nhiệm liên đới thanh toán toàn bộ tiền thuê nhà, phí dịch vụ và bảo quản tài sản tại Căn Hộ Thuê.

**Điều 2: Xử Lý Tiền Đặt Cọc (Security Deposit Settlement)**
2.1. Các bên xác nhận Bên Cho Thuê đang nắm giữ số tiền đặt cọc gốc của Hợp đồng là [Tổng số tiền cọc] VND.
2.2. Bên Thuê Thay Thế đã thanh toán trực tiếp số tiền hoàn cọc đã khấu trừ là [Số tiền cọc hoàn trả] VND cho Bên Thuê Rút Lui. Bên Thuê Rút Lui xác nhận đã nhận đủ tiền và cam kết không có bất kỳ khiếu nại hay tranh chấp nào liên quan đến tiền đặt cọc với Bên Cho Thuê hoặc các bên còn lại.
2.3. Bên Cho Thuê sẽ tiếp tục nắm giữ toàn bộ số tiền đặt cọc gốc cho đến khi Hợp đồng thuê nhà kết thúc hợp pháp.

**Điều 3: Bàn Giao Hiện Trạng và Tài Sản (Premises Condition)**
3.1. Bên Thuê Thay Thế xác nhận đã trực tiếp kiểm tra phòng ngủ riêng và toàn bộ khu vực sinh hoạt chung của Căn Hộ, đồng ý tiếp nhận hiện trạng tài sản, trang thiết bị theo đúng Biên bản kiểm kê hiện trạng đính kèm.

**Điều 4: Đăng Ký Tạm Trú Điện Tử (Residence Registration)**
4.1. Bên Cho Thuê cam kết thực hiện thủ tục xóa đăng ký tạm trú cho Bên Thuê Rút Lui và thực hiện đăng ký tạm trú điện tử mới cho Bên Thuê Thay Thế trên Cổng dịch vụ công của Bộ Công an trong vòng hai mươi tư (24) giờ kể từ ngày có hiệu lực.

*(English Translation)*
**ADDENDUM: ROOMMATE NOVATION AND LEASE ASSIGNMENT**
*(Attached to Master Residential Lease Agreement No. [Ref] dated [Date])*

**PARTIES:**
1. **LANDLORD**: Mr./Ms. [Full Name], ID/Passport No.: [Number], Address: [Address].
2. **REMAINING CO-TENANTS**: Mr./Ms. [Full Name], Passport No.: [Number], Nationality: [Nationality].
3. **OUTGOING DEPARTING TENANT**: Mr./Ms. [Full Name], Passport No.: [Number], Nationality: [Nationality].
4. **INCOMING REPLACEMENT TENANT**: Mr./Ms. [Full Name], Passport No.: [Number], Nationality: [Nationality].

**AGREED TERMS:**

**Article 1: Novation and Assignment of Tenancy Obligations**
1.1. Effective from [Effective Date], the Outgoing Tenant is fully and irrevocably discharged from all future rights, responsibilities, and liabilities under the Master Lease Agreement.
1.2. The Incoming Tenant hereby accepts and assumes all rights, responsibilities, and joint obligations of the Outgoing Tenant pursuant to Article 288 of the Civil Code 2015. The Incoming Tenant and Remaining Co-Tenants shall be jointly and severally liable for full payment of rent, utilities, and care of the Premises.

**Article 2: Security Deposit Rollover Settlement**
2.1. The parties confirm that the Landlord retains the master security deposit of [Total Deposit Amount] VND.
2.2. The Incoming Tenant has paid the net adjusted deposit refund of [Net Refund Amount] VND directly to the Outgoing Tenant. The Outgoing Tenant confirms receipt in full and waives all future deposit claims against the Landlord and remaining co-tenants.
2.3. The Landlord shall continue holding the master security deposit intact until final lawful expiration of the Master Lease.

**Article 3: Premises Inspection & Property Inventory**
3.1. The Incoming Tenant confirms having thoroughly inspected the private bedroom and common living areas, accepting the property and inventory in its current condition as per the attached Inventory Protocol.

**Article 4: Police Temporary Residence Re-Registration**
4.1. The Landlord undertakes to deregister the Outgoing Tenant and complete the digital temporary residence registration for the Incoming Tenant via the Ministry of Public Security portal within twenty-four (24) hours of the Effective Date.

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5. Managing Shared Utility Bills and Communal Expenses

Beyond the master rent, roommate frictions frequently arise over electricity consumption, high-speed fiber internet, water utility charges, and communal consumables. In Vietnam, where electricity is billed on the EVN progressive 6-tier residential tariff schedule, intense air conditioner usage in one private bedroom drives the entire apartment’s bill into the highest rate bracket (over 3,300 VND/kWh).

Table: Shared Apartment Utility Allocation & Best Practice Matrix

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6. Police De-Registration and Immigration Updates

When an expat departs a shared tenancy, completing the administrative loop with the local Ward Police (Công an Phường) is legally mandatory:

1. Digital De-Registration (Xóa đăng ký tạm trú): The landlord must log into their VNeID Level 2 account or the Ministry of Public Security immigration portal (dichvucong.bocongan.gov.vn) and submit a checkout record for the departing tenant. If the landlord fails to do this, the departing expat will be flagged with a “Duplicate Residence Conflict” when attempting to register at their next apartment in Vietnam.
2. Replacement Tenant Registration: The incoming tenant must provide their passport and visa copy to the landlord immediately upon moving in. The landlord has a statutory 24-hour window to submit the digital registration and provide the tenant with the official Phiếu thông tin tạm trú.
3. TRC Address Verification: If the incoming tenant is applying for a new 2-year or 3-year Temporary Residence Card (TRC), the provincial Immigration Department will inspect the police database. If the address has conflicting historical registrations, the TRC issuance will be delayed.

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Frequently Asked Questions

What happens if a roommate leaves without notice and refuses to pay rent?

Under Civil Code 2015 joint liability rules, the remaining co-tenants must pay the full rental amount to the landlord to prevent lease default and eviction. The remaining tenants have a legal right of recourse (quyền yêu cầu hoàn trả) under Article 288, Clause 3 to initiate civil legal proceedings against the defaulting roommate to recover their paid share.

Can the landlord increase the total rent when we add a replacement roommate?

No. Executing a novation addendum substitutes the identity of one tenant while leaving all commercial terms—including the monthly rent and lease duration—completely unchanged. A landlord cannot arbitrarily increase the rent as a condition for approving a replacement roommate unless such a right was explicitly written into the master lease.

Does a replacement roommate need to pay a new deposit directly to the landlord?

No. In a standard tri-party rollover, the incoming roommate reimburses the departing tenant directly for their adjusted deposit share. The landlord continues to hold the original master deposit, and the novation addendum formally records that the incoming tenant is now the recognized beneficial owner of that deposit share upon final lease termination.

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