Buying a home is one of the biggest financial milestones most people will ever reach, but the purchase price is only the beginning. Between monthly mortgage payments, property taxes, routine maintenance, and unexpected repairs, the true cost of owning a home is often much higher than many buyers expect.
A recent study found that the average homeowner spends $33,451 per year on housing-related expenses, with annual costs exceeding $67,000 in some states. The analysis combined mortgage payments, property taxes, and estimated maintenance costs, highlighting just how quickly homeownership expenses can add up. Here are 10 homeownership costs that are easy to overlook when creating your budget.
1. Home Maintenance
Many financial experts recommend setting aside around 1% of your home’s value each year for maintenance, but this expense is easy to underestimate. Everything from servicing your HVAC system to repairing a leaking roof or replacing aging appliances can quickly eat into your savings.
2. Property Taxes
Property taxes are one of the largest recurring expenses homeowners face, and they vary dramatically depending on where you live. According to the study, homeowners in New Jersey pay the highest median annual property taxes in the country, at nearly $10,000, making taxes a significant part of the overall cost of owning a home.
3. Mortgage Payments
Most buyers focus on whether they can qualify for a mortgage, but the monthly payment often becomes their largest ongoing expense.
The study found annual mortgage costs exceed $55,000 in Connecticut, helping make it the most expensive state for homeowners overall.
4. Homeowners Insurance
Mortgage lenders require homeowners insurance, but premiums can increase over time due to inflation, weather-related claims, or rising rebuilding costs.
Shopping around periodically can help ensure you’re still getting competitive coverage without overpaying.
5. Utility Bills
Heating, cooling, electricity, water, sewer, and trash collection all become your responsibility once you own a home. Larger homes and older properties often come with higher monthly utility bills than first-time buyers expect.
6. Lawn Care and Landscaping
Keeping your property looking its best often involves ongoing expenses beyond simply mowing the lawn. Fertilizer, mulch, tree trimming, irrigation repairs, and seasonal landscaping projects can quietly become a sizable annual expense.
7. HOA Fees
If your home is located in a neighborhood governed by a homeowners association, monthly or annual dues should be part of your long-term budget. These fees may cover amenities and neighborhood maintenance, but they can also increase over time.
8. Emergency Repairs
No matter how well you maintain your home, unexpected repairs are inevitable. Whether it’s a broken water heater, plumbing leak, or storm damage, having an emergency fund can help you avoid relying on high-interest credit cards when something goes wrong.
9. Renovations and Upgrades
Many homeowners plan projects like remodeling a kitchen or updating bathrooms after they move in, but these improvements often cost more than expected.
Even smaller upgrades, such as replacing flooring or installing new lighting, can quickly add thousands of dollars to your budget.
10. Seasonal Maintenance
Owning a home means preparing it for changing weather throughout the year. Cleaning gutters, servicing heating and cooling systems, sealing windows, pressure washing, and winterizing outdoor plumbing are recurring tasks that help prevent more expensive repairs later.
Bottom Line
The sticker price of a home is only one piece of the financial picture. As the KOUBOO study demonstrates, annual housing costs, including mortgages, property taxes, and maintenance, can vary dramatically depending on where you live, making it important to budget for both expected expenses and the surprises that come with homeownership. Planning ahead for these ongoing costs can help homeowners protect both their property and their finances over the long term.
Source: This article references data from a 2026 KOUBOO study that analyzed annual mortgage payments, median property taxes, and estimated home maintenance costs across all 50 U.S. states to estimate the true yearly cost of homeownership. The full study is available at https://www.kouboo.com/.
