Quick answerThe mortgage payment is only part of what a home costs. Budget for principal and interest, property taxes, homeowners (and flood) insurance, mortgage insurance, HOA dues, utilities, routine maintenance, and savings for big replacements like roofs, HVAC, and water heaters. Then stress-test the budget against higher taxes or insurance, a major repair, and a temporary income loss.
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Monthly ownership costs

Cost Notes
Principal and interest Fixed on a fixed-rate loan
Property taxes Can rise with reassessment; check post-purchase estimate, not seller’s bill
Homeowners insurance Rising quickly in many areas; get real quotes
Flood insurance Required in some flood zones; wise elsewhere
Mortgage insurance FHA MIP, conventional PMI, or USDA annual fee
HOA or condo dues Plus special assessments
Utilities Often higher than renting: water, sewer, trash, lawn
Routine maintenance Filters, gutters, pest control, landscaping
Replacement savings Monthly set-aside for big-ticket items

Typical lifespans of major components

Component Typical lifespan (varies widely)
Asphalt shingle roof 15–30 years
Furnace 15–25 years
Central air conditioner / heat pump 10–20 years
Water heater (tank) 8–15 years
Appliances 8–15 years
Exterior paint 5–10 years
Septic system 20–40 years (pumping every 3–5 years)
Windows 20–40 years

Use your home inspection to note the age and condition of each system, then build a five-year replacement plan. See home maintenance plan.

One-time costs

Buying: down payment, closing costs, inspection, appraisal, moving, immediate repairs, furniture, window coverings, tools.

Selling: agent fees and concessions, transfer taxes, repairs, staging, moving.

Stress-test your budget

Recalculate your budget with:

  • Property taxes 20% higher
  • Insurance 30% higher
  • A $10,000 emergency repair
  • One income interrupted for three months

If the plan only works when nothing goes wrong, lower your price range or build more reserves.

Keep good records

Keep closing documents, deed, title policy, survey, loan statements, tax and insurance records, permits, warranties, and improvement receipts. They help with taxes, insurance claims, refinancing, and selling.

A sample monthly budget (hypothetical)

A $275,000 home purchased with an FHA loan (3.5% down, 6.5% interest):

Item Monthly estimate
Principal and interest about $1,677
Property taxes (1.2% of value per year) about $275
Homeowners insurance about $175
FHA annual mortgage insurance (about 0.55%) about $122
HOA dues $0–$300
Utilities (above typical rental) $100–$200 more than renting
Maintenance and replacement savings (1–2% of value per year) about $230–$460
Total roughly $2,580–$3,210

The lender may only show the first four lines (PITI plus mortgage insurance). Your real budget needs the rest.

Budget for the first year

The first year often costs more than expected:

  • Appliances or systems that fail soon after purchase
  • Tools, lawn equipment, and window coverings
  • Painting, cleaning, or immediate repairs from the inspection
  • Changing locks and adding smoke/CO alarms
  • Higher property tax bills after reassessment at the new price

Keeping 1–3 months of housing costs in an emergency fund after closing reduces the risk of falling behind.

Condos and HOAs

If you buy in a condo or HOA community:

  • Review the budget, reserve study, and recent meeting minutes.
  • Ask about planned special assessments.
  • Understand what the master insurance policy covers and what you must insure.
  • Check rules on rentals, pets, and renovations.

Property taxes after purchase

In many areas, assessments reset or rise after a sale. Estimate taxes using the purchase price and the local tax rate, not the seller’s bill. Apply for your homestead exemption promptly—deadlines can be early in the year. See property tax relief.

When costs rise

If taxes or insurance rise and your escrow payment jumps:

  • Review the escrow analysis for errors.
  • Appeal an assessment you think is too high.
  • Shop for insurance.
  • Ask your servicer about spreading an escrow shortage over 12 months.
  • Talk to a HUD-approved housing counselor before falling behind.

Frequently asked questions

How much should I budget for maintenance?

Common rules of thumb are 1% to 4% of the home’s value per year, but age, condition, climate, and size matter more. A property-specific replacement schedule based on the inspection is the best guide.

Why did my mortgage payment increase?

If you have escrow, increases in property taxes or insurance raise your monthly payment even with a fixed-rate loan. Adjustable-rate loans can also change after their initial fixed period.

Sources and verification

Use these sources to check program rules. Funding, openings, and local procedures must be confirmed with the agency handling your application.

  1. Your home loan toolkitConsumer Financial Protection Bureau
  2. Find a housing counselorU.S. Department of Housing and Urban Development

Found a changed rule or a broken link? Report a correction for this guide.

Published by Housing Assistance Info

Independent guidance based on the sources listed above. Read our sourcing, automated-tool, and correction policies.