Why Evictions Are Denied in Oswego, NY: Every Reason and How to Avoid Them

Landlords in Oswego file eviction cases they should win and lose them — not because the tenant has a right to stay, but because the process was wrong. Oswego City Court has seen all of these situations before. Tenant attorneys at Legal Aid Society of Mid-New York know every one of these grounds. Here is a comprehensive list of why eviction cases in Oswego are denied or dismissed, and what each one costs.

1. Improper Notice Service

New York’s eviction process begins with a notice — a 14-day rent demand for nonpayment cases, a termination notice for holdover cases. That notice must be served under CPLR Article 3 rules: personal service, substituted service with mailing, or conspicuous place service with mailing. A text message is not service. An email is not service. Sliding a note under the door without proper affidavit is not service.

A notarized affidavit of service must accompany the petition. If the affidavit is missing, incomplete, or describes a service method that doesn’t satisfy CPLR, the judge will dismiss. The landlord must then re-serve and re-file, losing 2-6 weeks while the tenant continues in possession.

2. Wrong Notice Period or Form

The 2019 Housing Stability and Tenant Protection Act (HSTPA) changed notice periods. Nonpayment cases require a 14-day rent demand (not 3 days, as before). Holdover cases require 30 days for tenancies under one year, 60 days for one to two years, and 90 days for tenancies of two or more years. Using the wrong period — often because the landlord is working from a form they used five years ago — results in dismissal.

Lease violation holdovers also require a cure notice followed by a termination notice if the cure is not completed. Skipping the cure notice and filing directly on the lease violation is a dismissal ground that tenant attorneys raise routinely.

3. Filing in the Wrong Court

Residential eviction proceedings in Oswego city limits are filed in Oswego City Court. Properties outside the city limits — even a few blocks outside — are handled by the relevant town or village justice court. Filing in the wrong court results in dismissal, sometimes without a clear explanation from the clerk until the landlord has already waited weeks for a return date.

Confirming that a property address falls within Oswego city limits before filing is not optional. The city line does not follow intuitive geographic logic in every neighborhood.

4. Warranty of Habitability Defense

Under RPL § 235-b, tenants can raise habitability as a defense and counterclaim. If the judge finds that the landlord had notice of a deficient condition and failed to repair it, the rent obligation is retroactively reduced. If the abatement covers the amount owed in the petition, the case is dismissed. Mold, pest conditions, heat failures, broken locks, and plumbing deficiencies are the most common claims. Landlords who cannot document their repair responses lose these disputes at high rates.

5. Accepted Rent After the Default Period

Accepting any rent payment after the 14-day demand notice period but before filing the petition waives the nonpayment ground. The landlord must issue a new demand, restart the 14-day window, and verify no payments are made before filing. Partial payments accepted after the default — even small amounts — create the same waiver problem. This is the most common single error among self-managing landlords filing nonpayment cases.

6. Incorrect Petition Preparation

The nonpayment petition must correctly state: the landlord and tenant’s names exactly as they appear on the lease, the property address, the amount claimed and the period it covers, the lease term, and the date and method of notice service. Discrepancies between the petition and the underlying documents — a name spelled differently, an amount that doesn’t match the rent ledger, a notice date that is off — give tenant attorneys grounds for dismissal motions that courts frequently grant.

7. Partial Payment Accepted Mid-Proceeding

Accepting any rent payment after the petition is filed but before judgment is entered — even a partial payment toward the balance — can be construed as waiving the proceeding. Many landlords accept partial payments out of financial pressure without realizing the legal effect. Once the payment is accepted, the landlord may need to withdraw and refile with a corrected petition reflecting the adjusted balance.

8. Retaliatory Eviction Defense

RPL § 223-b prohibits eviction in retaliation for a tenant exercising a legal right — including calling Code Enforcement, complaining to a government agency, or organizing with other tenants. If a landlord filed for eviction within six months of a tenant’s complaint to Code Enforcement, there is a rebuttable presumption of retaliation. The burden shifts to the landlord to prove the eviction is not retaliatory. Landlords who have active Code Enforcement complaints on their properties must be prepared to rebut this presumption with documentation.

9. Military Tenant Protections (SCRA) (Watertown Specific)

The Servicemembers Civil Relief Act provides active-duty military personnel significant protections against eviction. In Jefferson County, where Fort Drum drives a substantial portion of the rental market, landlords filing eviction cases must verify that the tenant is not on active duty. Filing against an active-duty servicemember without following SCRA procedures exposes the landlord to federal civil and criminal liability.

11. LLC-Owned Property Without Attorney Representation

A property owned by an LLC, corporation, or partnership must be represented by a licensed attorney in New York courts. An individual owner can self-represent; a business entity cannot. A petition filed by an LLC without attorney representation will be rejected by the clerk or dismissed at the first appearance. Landlords who hold properties in LLCs and attempt to handle their own evictions are filing cases that will be dismissed before they’re heard.

12. Petition Filed Too Early

The nonpayment petition cannot be filed until the 14-day rent demand period has expired. Filing on day 13 results in dismissal. The filing date is checked against the service date on the affidavit of service. Errors in calculating the 14-day period — particularly around weekend and holiday counting — produce defective petitions.

What All of This Costs

A dismissed eviction case in Oswego typically costs the landlord one to three additional months of rent — $1,200-$5,400 on a typical Oswego County rental — plus re-filing costs, attorney fees, and the direct and indirect costs of an extended vacancy or holdover. Most of these dismissal grounds are not legal complexities. They are process failures that experienced property managers have eliminated from their workflows.