Evansville apartment operating costs are rising mainly because of utilities: water rates have been stepped up in phases through 2026 to pay for a new treatment plant, sewer bills carry the cost of a federal consent decree, and CenterPoint Energy’s latest electric rate case added $80 million a year to its revenue requirement. Property taxes are the one major line moving the other way, thanks to Indiana’s 2% cap on rental property and a new deduction that grows each year through 2030.
That combination changes how an owner should budget. Below is a line-by-line look at the costs that shape net operating income for apartment buildings in Evansville, with the public sources behind each figure, and a few practical ways to plan around them.
Evansville’s rental market at a glance
Evansville is the county seat of Vanderburgh County and sits on the Ohio River in the southwest corner of Indiana. The Census Bureau’s QuickFacts for Evansville put the July 1, 2025 population estimate at 116,176. In the 2020 to 2024 survey period, 54.6% of occupied housing units were owner-occupied, so roughly 45% were rented, and the median gross rent was $975.
Those rents matter for every cost discussion that follows. In a market where the typical unit rents for under $1,000 a month, a $20 increase in a monthly utility charge or a $200 per-unit jump in insurance is a meaningful share of income. Costs that would be rounding errors in a high-rent coastal market can move an Evansville building’s margins by several percentage points.
Property taxes under Indiana’s 2% circuit breaker
Indiana caps property tax bills as a percentage of gross assessed value. Under the state’s circuit breaker law, homesteads are capped at 1%, residential property at 2%, and other nonresidential real property at 3%. Apartment buildings fall in the 2% category because the statute’s definition of residential property includes “a building that includes two (2) or more dwelling units,” along with the land and common areas that serve it. Hotels and motels are excluded from that definition.
Rates versus the cap
Listed tax rates in Evansville are higher than the cap. The Indiana Department of Local Government Finance’s 2026 budget order for Vanderburgh County shows pay-2026 rates for Evansville city taxing districts ranging from 3.4242 to 3.5448 per $100 of assessed value, depending on the township. A rate of about 3.5% is well above 2%, which means the cap, not the rate, usually determines what a rental property owes. The difference is a credit the county applies automatically.
For budgeting, the cap gives owners a useful ceiling. A building assessed at $2 million would face a maximum property tax bill of about $40,000 under the 2% cap, before any deductions, even though the listed rate would produce a much larger number. Some voter-approved levies, such as school referendum taxes, can sit outside the circuit breaker, so the bill should be checked against the cap rather than assumed to equal it exactly.
The new deduction from the 2025 reform
Indiana’s 2025 property tax law, Senate Enrolled Act 1, created a new deduction for property subject to the residential and agricultural caps, which includes rental buildings. According to a DLGF memo on the new law, the deduction is a percentage of assessed value that steps up each year:
- 6% for assessments made in 2025, first payable in 2026
- 12% for 2026 assessments, payable in 2027
- 19% for 2027 assessments, payable in 2028
- 25% for 2028 assessments, payable in 2029
- 30% for 2029 assessments, payable in 2030
- 33.4% for assessments made in 2030 and later years
The memo states that “a taxpayer is not required to file an application to qualify,” and the county auditor applies it. For an owner, the practical effect is that the base the 2% cap applies to is shrinking. At the full 33.4% deduction, a building with a $2 million gross assessment would be taxed on about $1.33 million, and the 2% ceiling would fall to roughly $26,600, all else equal. Owners should still verify the deduction on each bill, since assessed values can rise as the deduction grows.
Payment timing
Vanderburgh County bills in two installments. For 2026, local reporting from WEHT/WTVW listed the due dates as May 11 and November 10. Indiana taxes are paid a year in arrears, so the 2026 bills reflect 2025 assessments and the first 6% step of the new deduction.
Water rates and the new treatment plant
Water is the line that has changed most for Evansville owners over the last several years. According to the Indiana Office of Utility Consumer Counselor’s summary of Evansville’s water rate cases, the Indiana Utility Regulatory Commission approved a five-phase rate increase in March 2022 (Cause No. 45545), with the total increase reaching approximately 28.6% when fully implemented in 2026.
That came on top of an earlier three-phase case, which raised rates by 16.70% in 2019, 12.36% in 2020 and 6.00% in 2021. Compounded, the two cases mean water charges in 2026 are dramatically higher than they were in 2018. WNIN reported in 2024 that the increases were needed to pay for a new water treatment facility to replace the utility’s aging plant.
For apartment owners, the effect depends on how a building is metered:
- Buildings with a single master meter carry the full increase unless they recover it through a utility allocation or bill-back program.
- Buildings with individual unit meters pass most consumption costs to residents but still pay for common-area use, irrigation and vacant units.
- Older buildings with leaking fixtures or toilets see the increase magnified, since every wasted gallon now costs more.
Sewer costs and the consent decree
Sewer charges in Evansville are driven by a long-term federal mandate. In 2011, the city entered a consent decree with the U.S. Environmental Protection Agency to reduce sewer overflows into the Ohio River and its tributaries. The EPA’s announcement of the settlement said costs “may exceed $500 million” and set full implementation for 2032 or 2037, depending on the city’s financial capacity.
The cost estimate has grown since then. In 2023, Evansville Water and Sewer Utility’s director told WNIN that the $729 million that had been negotiated had grown to just short of $2 billion. Sewer rates fund that work, which is why owners should expect sewer to remain one of the faster-growing expense lines through the 2030s. Because sewer is usually billed on water consumption, the same water conservation steps that cut the water bill also cut the sewer bill.
Trash billed through the water utility
Evansville bills residential trash and recycling through the water and sewer bill. WNIN reported in early 2026 that the monthly fee would increase by $2 in 2026 and again in 2027, followed by a $3.62 increase in 2028, bringing it to $15.30, $17.30 and $20.92 in those years. Whether a given apartment building pays this fee depends on whether it uses city service or a private hauler, so owners should check their utility bill before modeling the increase.
Electricity from CenterPoint Energy
CenterPoint Energy Indiana South provides electric service in Evansville. The Indiana Office of Utility Consumer Counselor’s page on CenterPoint’s electric rate case states that the IURC approved new rates on February 3, 2025 (Cause No. 45990), producing an annual increase of $80 million. Local reporting described the increase as phased in, with steps in March 2025 and March 2026.
For apartment owners, the most direct exposure is the house meter: hallway and exterior lighting, laundry rooms, elevators, pumps and any owner-paid heating or cooling. Buildings where tenants pay their own electric bills are less exposed, but higher utility bills still affect what residents can afford in rent. Owners with older central systems or electric resistance heat in common areas feel the change more than those who have upgraded to LED lighting and efficient equipment.
It is worth separating the house meter from the rest of the building when reviewing a trailing twelve-month statement. A spike in owner-paid electricity after March 2025 or March 2026 may simply reflect the approved rate steps rather than a problem with equipment. Conversely, if usage in kilowatt-hours is rising as well, that points to something mechanical, such as a failing boiler pump, a stuck exterior lighting timer or vacant units left with heat or air conditioning running. Reading usage and price separately keeps owners from chasing the wrong cause.
How the utility increases compound for one building
Percentage increases are easy to underestimate when they arrive in phases. Consider a hypothetical master-metered building that paid $20,000 a year for water in 2018 and used the same amount of water every year since. Applying only the approved water increases, and ignoring sewer, the math looks like this:
- After the 16.70% step in 2019: about $23,340.
- After the 12.36% step in 2020: about $26,225.
- After the 6.00% step in 2021: about $27,800.
- After the roughly 28.6% cumulative increase from the 2022 case, fully in place in 2026: about $35,750.
That is close to an 80% increase in the water line over eight years for the same consumption. Sewer charges, which are billed on water usage and are funding a consent decree estimated near $2 billion, sit on top of that. The example is illustrative, since actual bills depend on meter size, rate class and usage, but it shows why water and sewer often outpace every other expense in an Evansville operating statement.
Now set that against property taxes. For the same building, the new deduction reduces the taxable base by 6% on bills payable in 2026 and by 12% on bills payable in 2027. In other words, the expense line that owners tend to watch most closely is easing at the same moment that the utility lines are climbing. Underwriting that simply inflates every expense by the same percentage will miss both effects.
Insurance risks specific to the Evansville area
Insurance premiums are set by carriers rather than public agencies, so there is no official local rate to cite. What is well documented are the risks that underwriters look at in Evansville.
Earthquake exposure
The U.S. Geological Survey’s Evansville Area Earthquake Hazards Mapping Project notes that the Evansville area “is at risk from both the New Madrid and the Wabash Valley seismic zones,” describing a dense urban population near faults capable of producing major earthquakes. Standard property policies typically exclude earthquake damage, so owners of masonry buildings in particular should decide deliberately whether to carry earthquake coverage and what deductible they can absorb.
Flood and the levee system
Evansville sits on the Ohio River and is protected by a system of levees and floodwalls built after the 1937 flood. According to the Indiana state historical marker for the Ohio River levee, the river crested at 53.7 feet in Evansville on January 31, 1937, and the levee protects residents of the city and county from flood levels up to 57 feet. It is operated by the Evansville-Vanderburgh Levee Authority District. A building behind the levee is not automatically outside a mapped flood hazard area, so owners and lenders should check the current flood map for each parcel, since that determines whether flood insurance is required.
Severe weather
Southwest Indiana also sees severe thunderstorms and tornadoes. Roof age, wind and hail deductibles, and the condition of older electrical systems all influence premiums and renewability. Documented roof replacements and electrical updates are among the most useful records an owner can bring to a renewal.
Local code enforcement and state limits on rental fees
Evansville’s municipal code, Chapter 15.16, sets up a registration requirement administered through the Building Commission for rental buildings that have been designated substandard. Properties that are maintained to code are not the focus of that requirement. For owners, the cost is less the fee than the work: a building that falls behind on maintenance risks being pulled into a more intensive enforcement process.
Indiana law also limits what cities can do. Indiana Code 36-1-20 restricts local rental registration fees and, under Section 4.1, prevents a city from inspecting, or charging an inspection fee for, a rental unit that is professionally managed and has a qualifying inspection report from a third party completed within the prior 12 months. Owners who already commission annual inspections for lenders or insurers may be able to rely on that report.
Turnover costs and the deposit rules that shape them
Turnover is an operating cost too, and Indiana’s deposit law sets the timeline for it. Under Indiana Code 32-31-3-12, a landlord must return the security deposit, along with an itemized list of any damages being deducted, within 45 days after the rental agreement ends. Missing that deadline can cost the landlord the right to withhold anything.
That rule makes move-out inspections, photos and repair invoices part of the cost of doing business. In a market with rents under $1,000, the deposit often does not cover a full turn, so keeping turnover down through maintenance and responsive management saves more than any single utility measure.
Managing Evansville apartment operating costs
Rising utility costs and a falling property tax base point owners toward a few specific steps:
- Review how water, sewer and trash are billed at each building and whether a utility bill-back program is permitted under existing leases.
- Prioritize water efficiency: low-flow fixtures, toilet replacements and leak detection pay back faster when water and sewer rates are this high.
- Upgrade common-area lighting and equipment to reduce exposure to CenterPoint’s higher electric rates.
- Check each property tax bill for the 2% cap credit and the new deduction, which rises to 12% for bills payable in 2027.
- Review earthquake and flood coverage at each renewal, using the parcel’s current flood map designation.
- Keep inspection records current so the state’s limits on duplicate inspections can work in your favor.
A clear picture of expenses is also what buyers and lenders look at first. To see how these costs flow through to value, try our NOI calculator. Owners thinking about next steps can read our page on selling an apartment building in Evansville, and our Indiana market overview compares Evansville with other cities across the state.
