Understanding Operating Expenses in Multifamily Properties: What Capital Region Buyers and Owners Need to Know

Why Operating Expenses Are the Core of Every Multifamily Decision

When buyers evaluate a multifamily property — whether it's a six-unit building in Albany or a larger apartment complex in Saratoga County — the purchase price is only the starting point. What determines real property performance is what's left after the bills are paid.

Operating expenses are the recurring costs required to keep a multifamily property functional, occupied, and generating income. Understanding them clearly is essential whether you're analyzing a potential acquisition, managing a property you already own, or preparing to sell. Buyers who don't understand operating expenses often overpay. Owners who underestimate them often see returns fall short of expectations.

This guide breaks down the key categories of multifamily operating expenses, explains what belongs in the analysis, and highlights considerations that are particularly relevant to property owners and buyers in New York's Capital Region.

Net Operating Income: The Number That Matters Most

Before reviewing individual expense categories, it helps to understand the number that operating expenses flow into: Net Operating Income, or NOI.

NOI is calculated as:

Gross Rental Income – Vacancy & Credit Loss – Operating Expenses = Net Operating Income

NOI is the foundation for evaluating property value, determining cap rates, and qualifying for financing. It does not include mortgage payments or depreciation — those are below-the-line items specific to a buyer's structure. When sellers present an income statement, they should be showing NOI. It's the number that allows an apples-to-apples comparison across different properties regardless of how they're financed.

Every dollar of operating expense that is understated inflates NOI — and inflates the apparent value of the property. Accurate expense analysis protects buyers from overpaying.

The Major Operating Expense Categories

Property Taxes

In New York State, property taxes are a significant line item for multifamily owners — often the largest single operating expense in many markets. Tax rates vary meaningfully across Albany County, Saratoga County, Schenectady County, and Rensselaer County, and assessed values don't always reflect market prices without a reassessment or appeal.

Buyers should obtain the most current tax bills for the property and understand that assessed value may change after a sale depending on local reassessment practices. In some Capital Region municipalities, properties are periodically reassessed. A purchase at a materially higher price than the prior sale could eventually lead to a higher assessed value and higher taxes. Consulting a local tax professional before closing is a reasonable step on larger acquisitions.

Insurance

Multifamily property insurance typically includes coverage for the structure, liability, and loss of rental income. Premiums vary based on building age, construction type, number of units, claims history, and current market conditions in the insurance industry broadly.

Buyers should not assume the seller's current insurance premium will be their premium. Insurance carriers reassess at renewal, and a new owner may face different quotes based on their portfolio and coverage requirements. Request the current policy and quotes from your own insurer before closing.

Utilities

In some multifamily configurations — particularly older buildings — landlords pay for heat, water, or both. In the Capital Region, heating costs are a meaningful consideration given the climate. Natural gas and fuel oil expenses can be significant in winter months, and properties where the landlord is responsible for heat require careful review of multi-year utility bills rather than a single year.

Buildings where tenants pay their own utilities (electric heat, individual meters) have lower landlord utility exposure but may have different rent dynamics. Understanding who pays which utilities and what those costs have averaged over several years is a key part of any multifamily analysis.

Repairs and Maintenance

Ongoing maintenance is a real and recurring cost that sellers sometimes minimize on a pro forma. This category includes plumbing repairs, electrical work, appliance replacements, exterior maintenance, snow removal, landscaping, pest control, and general upkeep.

A rough planning figure sometimes used in early analysis is roughly $800 to $1,500 or more per unit annually for stabilized properties, though actual costs vary based on building age, condition, and unit mix. Older buildings — which are common in Albany and surrounding communities — can carry higher maintenance loads. A thorough property inspection is the best tool for anticipating deferred maintenance and near-term capital needs before finalizing any offer.

Property Management

If a property is professionally managed, that fee is an operating expense. Management fees for residential multifamily properties in the Capital Region typically range from roughly 8% to 12% of collected rents, depending on the management company, property size, and services included.

Even if a buyer intends to self-manage, it is standard practice to underwrite a management fee in the analysis. This creates a more realistic picture of property economics and preserves the ability to compare the property against others on a consistent basis. If you eventually bring in professional management or need to sell, having underwritten that expense makes the financial model more credible.

Vacancy and Credit Loss

This is not precisely an operating expense, but it belongs in any honest income analysis. No property operates at 100% occupancy indefinitely. A vacancy allowance accounts for units that are between tenants, slow leasing periods, or tenants who don't pay.

A commonly used planning allowance is 5% to 10% of gross rents, though actual vacancy patterns vary by market, property location, unit mix, and local demand. Sellers sometimes present income based on fully occupied assumptions. Buyers should apply a realistic vacancy factor based on the property's actual history and local market context.

Professional Fees and Administrative Costs

This category includes accounting, legal fees related to lease enforcement or evictions, licensing fees, and business-related administrative costs. In New York State, landlord-tenant law and local housing regulations can involve real legal costs in some situations. These amounts may be modest for smaller portfolios but should not be ignored.

What Is Not an Operating Expense

Two items frequently cause confusion in multifamily income statements:

Mortgage payments (debt service) are not operating expenses. They are specific to a buyer's financing and vary based on loan terms, down payment, and interest rates. NOI is calculated before debt service.

Depreciation is an accounting and tax concept, not a cash operating expense. It does not appear in a cash-flow operating analysis.

Capital improvements — major expenditures like a new roof, HVAC system, or plumbing overhaul — are also generally treated separately from recurring operating expenses. They matter significantly to a buyer's capital planning but are typically analyzed as a separate capital reserve or capital expenditure category.

Verifying the Numbers Before You Buy

Pro forma income statements prepared by sellers represent their best case. Buyers should always request and verify actual documentation, including:

• Two to three years of actual operating expense statements or Schedule E tax filings
• Copies of current utility bills
• Current property tax bills
• Current insurance declarations page and premium
• Lease agreements for all occupied units
• Any service contracts (landscaping, snow removal, HVAC maintenance)

Comparing actual documented expenses against what the seller presents is a standard part of multifamily due diligence. Significant differences between presented and actual expenses warrant a careful conversation — and may warrant a price adjustment.

The Expense Ratio as a Sanity Check

Experienced buyers and advisors often use the operating expense ratio as a quick reasonableness check. The expense ratio is simply total operating expenses divided by gross operating income.

For smaller residential multifamily properties (2–10 units), expense ratios in the range of 35% to 50% of gross income are common in many markets, though this varies significantly by property age, utility responsibility, and whether professional management is included. Very low presented expense ratios — 20% or below — are a signal to dig deeper into what may be missing from the seller's presentation.

Working with an Advisor Who Knows the Local Market

Multifamily operating expenses are not a generic calculation — they're shaped by property condition, local tax rates, utility costs, management availability, and the specific characteristics of each building. In New York's Capital Region, where property ages, tax structures, and heating costs vary across communities, understanding local norms matters.

York CRE works with multifamily buyers, sellers, and investors across Albany, Clifton Park, Saratoga County, Schenectady, Troy, and surrounding communities. Whether you're evaluating an acquisition, preparing a property for sale, or reviewing the performance of a property you already own, we can help you interpret the numbers clearly.

Schedule a consultation with York CRE to discuss your multifamily real estate goals in New York's Capital Region.