When most people calculate whether they can afford a home, they look at the mortgage payment and compare it to rent. But the mortgage is just the beginning. The true cost of homeownership is typically 30–50% more than the mortgage payment alone.
Here's a comprehensive breakdown of every cost most buyers overlook — and how to budget for them realistically.
1. Property Taxes
Property taxes vary dramatically by state and county. The national average is about 1.1% of the home's assessed value, but it ranges from 0.27% in Hawaii to 2.47% in New Jersey.
On a $350,000 home:
- Low-tax state (Hawaii): $945/year ($79/month)
- Average state: $3,850/year ($321/month)
- High-tax state (New Jersey): $8,645/year ($720/month)
Property taxes also increase over time as your home's assessed value rises. Budget for 2–3% annual increases.
2. Homeowner's Insurance
The average US homeowner pays $1,800–$2,500/year for home insurance, but costs are rising sharply — especially in disaster-prone states like Florida, California, and Louisiana where premiums can exceed $4,000–$6,000/year.
3. Maintenance and Repairs
This is the biggest surprise for new homeowners. The standard rule is to budget 1–2% of your home's value per year for maintenance. On a $350,000 home, that's $3,500–$7,000 annually.
Common expenses that hit in the first few years:
- HVAC replacement: $5,000–$12,000
- Roof repair/replacement: $8,000–$20,000
- Water heater: $1,000–$3,000
- Plumbing issues: $500–$5,000
- Appliance replacements: $2,000–$8,000
- Lawn care/landscaping: $1,200–$3,600/year
4. HOA Fees
If you buy in a community with a Homeowners Association, monthly dues typically range from $100 to $800+ depending on the amenities. Condos tend to have higher HOA fees than single-family homes. These fees increase annually and can include special assessments for major repairs.
5. PMI (Private Mortgage Insurance)
If your down payment is less than 20%, you'll pay PMI — typically 0.5–1.5% of the loan amount per year. On a $315,000 loan (10% down on $350K), that's $131–$394/month. PMI drops off once you reach 20% equity, but it can take 5–10 years.
6. Utilities
Homeowners typically pay more in utilities than renters because houses are larger. Budget $200–$400/month for electricity, gas, water, sewer, and trash — potentially more in extreme climates.
7. Closing Costs
These one-time costs at purchase total 2–5% of the purchase price. On a $350,000 home, that's $7,000–$17,500 for title insurance, appraisal, attorney fees, loan origination fees, and escrow deposits.
The Full Picture
Let's add it all up for a $350,000 home with 10% down at 6.5%:
| Expense | Monthly Cost |
|---|---|
| Mortgage (P&I) | $1,990 |
| Property taxes | $321 |
| Insurance | $188 |
| PMI | $197 |
| Maintenance | $438 |
| Utilities | $300 |
| Total | $3,434 |
That's 72% more than the mortgage payment alone. If you were only budgeting for the $1,990 mortgage, you'd be short $1,444 every single month.
Plan Before You Buy
Use our Rent vs Buy Calculator to see the complete cost comparison with all these expenses factored in. And check your Financial Health Score to make sure your finances can comfortably handle the full cost of homeownership — not just the mortgage.