The Full Cost of Homeownership
True cost of homeownership on a $400K home ($40K down, 6.5% rate)
| Cost Component | Annual Cost | Monthly Cost |
|---|---|---|
| Mortgage P+I (6.5%, $360K) | $27,318 | $2,276 |
| Property taxes (1.2% of value) | $4,800 | $400 |
| Homeowners insurance (0.7%) | $2,800 | $233 |
| Maintenance/repairs (1.5%) | $6,000 | $500 |
| HOA fees (if applicable) | $0–$7,200 | $0–$600 |
| PMI (if <20% down) | $0–$3,600 | $0–$300 |
| Landscaping/snow removal | $0–$3,000 | $0–$250 |
| Utilities premium vs. rental | $600–$2,400 | $50–$200 |
On a $400,000 home with 10% down: the mortgage payment is $2,276/month. The full cost of ownership including taxes, insurance, maintenance, and HOA (if applicable): $3,409–$4,259/month. Buyers who budget for $2,276 and experience $3,800+ face immediate financial strain.
The Maintenance Surprise
Maintenance costs are the most unpredictable homeownership expense. The 1–2% of home value rule of thumb ($4,000–$8,000/year on a $400K home) is an average — not a cap. A single roof replacement ($12,000–$25,000), HVAC system ($7,000–$15,000), or foundation issue ($10,000–$50,000) can blow through years of maintenance budget in a single event.
The Property Tax Escalation Risk
Property taxes typically increase with home values. In some states, reassessment happens annually; in others (California’s Prop 13), it’s limited. In Texas, property taxes average 1.8–2.5% of home value with no reassessment cap — a $500,000 home generates $9,000–$12,500/year in property taxes, escalating with appraisal increases.
The HOA Fee Risk
HOA fees average $300–$400/month nationally but range from $100 to $1,500+. They can increase annually without homeowner approval in many cases. Special assessments (for major repairs) can run $5,000–$30,000 per unit. Budget HOA fees as real housing costs, not optional payments.
Include ALL Costs in Your Rent vs. Buy Comparison
The calculator accounts for the full cost of ownership. Make sure your budget does too.