The True Cost of Owning a Home: Beyond Property Tax
Property tax + insurance + HOA + maintenance + utilities — the five categories that make total ownership cost 30 to 50 percent higher than the mortgage payment alone. State-by-state breakdown.
Most home buyers focus on the mortgage payment and assume the rest is rounding error. It is not. The annual cost of owning a home — property tax, insurance, HOA fees, maintenance, and utilities — adds 30 to 50 percent on top of the principal and interest payment, and varies more across states than the mortgage itself. This guide breaks down each category, shows where the differences come from, and gives you a realistic budgeting framework so the costs do not blindside you.
Property tax: the biggest variable
Property tax is the largest after-mortgage cost in most states and varies more than any other component. A $400,000 home costs roughly:
- $9,000+ annually in New Jersey
- $7,500 in Illinois
- $7,000 in Texas
- $3,500 in Florida
- $2,500 in Hawaii (low rate, high value)
- $1,200 in Alabama
For a 30-year mortgage at current rates on the same $400,000 home, monthly principal and interest is roughly $2,500. The Texas owner adds $580/month for property tax — a 23 percent increase to the monthly cost. The Alabama owner adds $100/month — a 4 percent increase. Same home, completely different cost of ownership.
See our state-by-state property tax burden guide for the full ranking, and our calculator for your specific situation.
Homeowners insurance: rising fast in many states
Average annual homeowners insurance premiums have risen 30 percent or more over the past five years, driven primarily by climate-related claims (wildfires, hurricanes, hail). Current estimates by state:
- Florida: highest in the nation, often $6,000 to $10,000 per year on a $400,000 home in coastal zones. Some insurers have stopped writing new policies entirely; the state-run Citizens Property Insurance has become the largest insurer.
- Louisiana: $4,000 to $7,000, with ongoing market disruption from Hurricane Ida.
- Texas: $3,500 to $5,500, especially in hail-prone DFW and coastal areas.
- Oklahoma: $4,500+ due to severe storm exposure.
- California: $1,500 to $4,500, but many insurers have withdrawn from wildfire-prone zones, forcing buyers into the FAIR Plan (last-resort coverage).
- Low-cost states (NH, VT, OR, WA, ID): $700 to $1,500 — among the cheapest in the country.
If you are buying in a coastal, wildfire, or tornado-prone area, get quotes before you make an offer. In the most affected zones, insurance has gone from a minor cost to a deal-breaker.
HOA fees: the wildcard
If your property is in a homeowners association, condominium, or planned community, monthly HOA fees can rival the mortgage payment in extreme cases. Typical ranges:
- Single-family suburban HOAs: $25 to $150/month for common areas, landscaping.
- Townhouse / planned communities: $150 to $400/month.
- Mid-rise condos: $400 to $1,000/month, covering building maintenance, insurance, and reserves.
- Luxury or amenity-heavy condos: $1,000 to $3,000+/month.
HOA fees also tend to rise faster than inflation, especially after special assessments (one-time charges for major repairs). Florida condos in particular have seen massive special assessments in 2024 and 2025 following the 2021 Surfside collapse and subsequent inspection requirements — some buildings have hit owners with $100,000+ per unit assessments.
Always read the HOA financials before buying. Look for: reserve fund balance (should cover at least 70 percent of expected major repairs), recent special assessments, monthly fee history (steep year-over-year increases are a warning), and pending litigation.
Maintenance: the 1 percent rule
Real estate investors use the "1 percent rule" for budgeting: expect to spend approximately 1 percent of your home's value per year on maintenance and repairs, averaged over a 10 to 20 year ownership period. For a $400,000 home, that is $4,000 per year, or about $330 per month.
Maintenance is uneven — you might spend $0 some years and $15,000 in a roof-replacement year. The 1 percent average is a useful budget anchor but should be backed up by an actual reserve fund. Items to plan for:
- Roof: $8,000 to $20,000 every 20 to 25 years
- HVAC: $5,000 to $12,000 every 15 to 20 years
- Water heater: $1,200 to $3,500 every 10 to 15 years
- Exterior paint: $3,000 to $8,000 every 7 to 10 years
- Driveway, deck, fencing: $2,000 to $10,000 every 15 to 25 years
Older homes (50+ years) and homes in harsh climates trend toward 1.5 to 2 percent. New homes in mild climates can run closer to 0.5 percent for the first 10 years, then jump as systems age.
Utilities: the easiest to overlook
Average monthly utility costs (electric + gas + water + sewer) for a 2,000 sq ft single-family home:
- Northeast (NY, MA, CT, NJ): $350 to $500 — high heating costs in winter, increasingly high cooling in summer.
- Texas, Arizona, Florida: $300 to $450 — summer cooling dominates.
- California: $250 to $400 with mild climate but high per-kWh rates.
- Midwest: $200 to $350 — moderate climate, low rates.
- Pacific Northwest: $150 to $250 — cheapest in the country thanks to hydroelectric power.
Utility costs depend more on home size and insulation than on geography alone. A 4,000 sq ft poorly-insulated house in Phoenix can run $600+ per month in summer. A new-build with modern insulation can match a 2,000 sq ft home half the size.
A realistic budget worksheet
For a $400,000 home, here is a typical "fully loaded" monthly cost compared to mortgage alone:
- Principal + interest (30 yr at 7%): $2,500
- Property tax (TX example): $580
- Insurance: $300
- HOA (suburban single-family): $50
- Maintenance (1% rule averaged): $330
- Utilities: $300
Total: $4,060/month versus the mortgage payment of $2,500. The non-mortgage costs add $1,560 per month — 62 percent on top of the principal and interest.
This is why "I can afford the mortgage payment" is the wrong frame for affordability. Use 28/36 ratios on the fully loaded cost, not the mortgage alone. If your gross monthly income is $10,000, you can comfortably afford about $2,800 in housing costs (28 percent), which means a target fully loaded cost of $2,800 — translating to a much smaller mortgage than the back-of-envelope mortgage calculator suggests.
Frequently Asked Questions
How much should I budget for non-mortgage costs?+
Plan for 1.5 to 2 percent of the home's value per year for property tax (varies by state), 0.5 to 1.5 percent for insurance, 1 percent for maintenance, plus actual HOA and utility costs. Total: typically 30 to 50 percent on top of the mortgage payment.
Is the 1 percent maintenance rule still accurate?+
It is still a reasonable starting point for newer homes in mild climates, but rises to 1.5 to 2 percent for older homes or those in harsh climates. The rule is an average over 15+ years, not a yearly amount — you will have $0 years and $15,000 years.
Why has homeowners insurance gone up so fast?+
Climate-related claims (hurricanes, wildfires, hail, flooding) have grown faster than premiums, forcing insurers to either raise rates aggressively or exit markets. Florida, California, and Louisiana have seen the most disruption, with several major insurers withdrawing entirely.
Are HOA fees tax deductible?+
Generally no for primary residences. They are deductible for rental properties as a business expense. Some special assessments for capital improvements may be added to your cost basis for capital gains tax purposes when you sell.
Can I deduct property taxes from federal income tax?+
Yes, but the State and Local Tax (SALT) deduction is capped at $10,000 total since 2018. For high-tax states like New Jersey and Illinois, this cap means most homeowners cannot deduct their full property tax bill.
Does paying off my mortgage actually save money?+
Yes — you eliminate the principal and interest payment. But all other costs (tax, insurance, maintenance, utilities) continue. A "paid off" home in a high-tax state like New Jersey can still cost $1,500 to $2,000 per month to own. Plan for ongoing costs in retirement, not just the mortgage.
Run the numbers for your situation
These guides are theory. Get the actual property tax for your address and home value.
Our property tax specialists track assessment rates, exemption programs, and appeal processes across all US counties. Data sourced from county assessor records and state revenue department filings.