Tenant Screening

Can landlords require co-signers for rental approval?

New Jersey rental guidance and tenant-landlord operational information.
Published April 5, 2026 State-specific rental guidance Update This Question
Reviewed by Tenants & Landlords Editorial Team

This rental guidance was reviewed by the Tenants & Landlords Intelligence Team, specializing in lease agreements, notices, rent disputes, deposits, evictions, and tenant-landlord operational procedures.

Asked 59 days ago · New Jersey

Tenant Screening in New Jersey: Can Landlords Require Co-Signers for Rental Approval?

When it comes to selecting tenants in New Jersey, landlords have the responsibility to ensure they rent to financially reliable and responsible individuals. A common question among New Jersey landlords is whether they can require co-signers—or guarantors—as a condition of rental approval. This guide provides a clear and detailed answer, addressing relevant landlord-tenant laws and best practices in tenant screening within New Jersey.


Understanding the Role of a Co-Signer in New Jersey Rentals

A co-signer or guarantor is a person who agrees to take legal and financial responsibility for the lease if the tenant fails to meet their obligations, such as paying rent on time. This is often requested when tenants have limited credit history, insufficient income, or other risk factors.

In New Jersey, landlords have discretion to require a co-signer as part of the tenant qualification process, provided that such requirements are applied fairly and in compliance with all applicable laws.


Legal Framework for Tenant Screening in New Jersey

Fair Housing and Non-Discrimination

Under the New Jersey Law Against Discrimination (NJLAD) and federal fair housing laws, landlords must not discriminate on the basis of race, religion, national origin, gender, familial status, disability, age, marital status, sexual orientation, or other protected classes. This includes when screening tenants or requiring a co-signer.

Landlords must ensure that:

  • The requirement for a co-signer is applied consistently to all applicants with similar qualification profiles.
  • Co-signer requirements are not used in a way that has a disparate impact on protected groups.

Credit and Income Screening Regulations

New Jersey landlords often evaluate credit reports and income when screening tenants. If applicants lack sufficient credit scores or income stability, a landlord may ask for a co-signer or guarantor to mitigate financial risk.

However, landlords must:

  • Obtain written permission from the applicant before conducting a credit check.
  • Provide disclosures about any adverse action taken due to the screening outcome.
  • Comply with the New Jersey Security Deposit Law, which caps deposits and outlines tenant rights.

Can Landlords Require Co-Signers in New Jersey?

Yes, landlords in New Jersey can require co-signers as part of rental qualification criteria, but with some important considerations:

When Co-Signers Are Commonly Required:

  • Applicants have insufficient income (typically below 3x the monthly rent).
  • Poor or no credit history.
  • Previous rental or eviction history concerns.
  • Students or younger tenants without established financial backgrounds.

Conditions and Best Practices

  1. Written Criteria: Landlords should establish clear, written screening criteria that specify when a co-signer is required to avoid claims of arbitrary or discriminatory practices.
  2. Reliable Co-Signer: The co-signer must have sufficient income, creditworthiness, and legal capacity to fulfill the lease obligations if necessary.
  3. Lease Guaranty Agreement: The legal agreement should clearly outline the co-signer’s responsibilities, including joint and several liability.
  4. Equal Treatment: Co-signer requirements should apply equally to all applicants under the same circumstances.
  5. Documentation: Keep thorough records of screening decisions and co-signer agreements.

How to Implement a Co-Signer Requirement Properly

Draft a Guarantor Agreement

In New Jersey, it is advisable for landlords to use a written guarantor agreement that:

  • Clearly states the co-signer is equally responsible for all lease terms.
  • Specifies the duration of the guaranty.
  • Details financial obligations including rent, damages, and fees.

Verify the Co-Signer’s Financial Status

Before acceptance, verify:

  • Income levels (pay stubs, tax returns).
  • Credit reports.
  • Identity and legal capacity.

Communicate With the Tenant and Co-Signer

Ensure both tenant and co-signer understand the financial risks and responsibilities associated with signing as guarantor.


Additional Considerations for New Jersey Landlords

Security Deposit Limits

New Jersey’s security deposit law restricts deposits to one-and-a-half months’ rent for residential leases. A co-signer does not replace this requirement but adds an additional layer of security.

Use of Application Fees

Landlords can charge reasonable application fees to cover screening costs but must disclose these fees upfront in compliance with New Jersey statutes.

Eviction and Lease Enforcement

If a tenant defaults, a co-signer can be pursued for unpaid rent or damages through eviction proceedings or civil actions.


Summary

In New Jersey, landlords may require a co-signer for rental approval as a prudent part of tenant screening, especially when the primary applicant lacks sufficient financial credentials. To do this effectively and lawfully:

  • Establish clear, consistent criteria.
  • Ensure compliance with NJLAD and federal fair housing laws.
  • Use written guaranty agreements.
  • Verify the co-signer’s financial ability.
  • Communicate all obligations clearly.
By adhering to these standards, New Jersey landlords can protect their rental investments while providing fair and lawful access to housing.

For further guidance, New Jersey landlords may consult local landlord-tenant attorneys or industry organizations specializing in rental property management to ensure full compliance with current laws.

Ask a Rental Question