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True Cost of Home Ownership Calculator

See the full annual cost of owning a home — not just the mortgage payment.

Your home
$

Used to estimate taxes, insurance, and maintenance defaults.

Annual costs

Adjust each line to match your actual bills or budget.

$/yr

P&I only — not escrow.

$/yr

National effective rate averages about 1.0% of assessed value.

$/yr

Varies by state, age, and coverage limits.

$/yr

Budget 1–2% of home value annually for upkeep.

$/yr

U.S. average household utility spend.

$/yr

Zero for most single-family homes.

$/yr

Applies when down payment is below 20%.

$/yr

Mowing, seasonal cleanup, irrigation.

True annual cost

$17,400

$1,450 per month — $17,400 beyond mortgage P&I.
Monthly all-in cost
$1,450
Mortgage P&I
$0
Everything else
$17,400
Non-mortgage share
100.0%
Annual cost breakdown
ExpenseAnnualMonthlyShare
Mortgage principal and interest$0$00.0%
Property taxes$4,000$33323.0%
Homeowners insurance$1,400$1178.0%
Maintenance and repairs$6,000$50034.5%
Utilities (electric, gas, water, sewer, trash)$4,800$40027.6%
HOA or condo fees$0$00.0%
PMI or FHA mortgage insurance$0$00.0%
Lawn care and landscaping$1,200$1006.9%
Total$17,400$1,450100%

Budget for maintenance before emergencies

Deferred maintenance does not disappear — it becomes an emergency repair at 2 to 3× the planned cost. The 1.5% maintenance default on a $400,000 home is $6,000 per year.

What this assumes

  • Property tax uses a 1.0% effective rate — adjust for your county.
  • Maintenance budget uses 1.5% of home value annually.
  • Utilities default to U.S. household average; override with your bills.

Understanding the result

The mortgage is only part of the payment

Property taxes, insurance, maintenance, utilities, and HOA fees add 30 to 50% on top of principal and interest for many homeowners. A $2,500 mortgage payment often means $3,500 to $4,000 in true monthly ownership cost.

Maintenance is not optional

Budget 1 to 2% of home value annually for upkeep — HVAC service, roof repairs, appliance replacement, and deferred maintenance. Skipping it does not save money; it moves the cost to an emergency repair.

How the math works

Monthly and annual totals sum PITI (or rent-equivalent), maintenance reserve (1–4% of value), utilities, insurance riders, HOA, and optional PMI. The tool shows all-in cost per month and per square foot — cash outlay, not tax-adjusted ownership economics.

Where to find each input

  • Mortgage statement — principal, interest, escrow
  • Tax and insurance — escrow or county bill
  • Utility bills — 12-month average
  • HOA and PMI — closing disclosure or coupon book

Worked examples

$350,000 home, 20% down, 6.5% rate

PITI $2,450, utilities $280, maintenance 2% reserve $583/mo equivalent.

All-in about $3,310/mo before capex projects — reserve line explains why ‘payment’ ≠ affordability.

Condo with HOA $450

Lower exterior maintenance reserve but HOA covers roof.

Maintenance reserve lowered to 1% but HOA added — total still includes special assessment risk note.

High-tax Northeast home

Taxes $12,000/yr on $500,000 value.

Tax line dominates; tool shows $/sf/month for comparison to rent.

What this does not include

  • Income tax mortgage interest benefit
  • Appreciation or depreciation
  • Renovation capital projects
  • Special assessments after you buy

Regional adjustment

Tax and insurance vary more than mortgage rates by state — enter local figures; defaults use national medians only as placeholders.

Accuracy and references

Maintenance reserve band follows FHA lender guidance (1–2%) and BLS consumer expenditure surveys; not a substitute for lender DTI math.

Counterpart bridge

Pricing this on the contractor side?

This page interprets quotes and budgets from the buyer’s chair. The matching pro tool uses the same scope logic to build a defensible price.

Open Break-Even Calculator

Common questions

How much should I budget for home maintenance per year?
Plan for 1 to 2% of home value annually. On a $400,000 home, that is $4,000 to $8,000 per year for HVAC service, roof upkeep, appliance replacement, and minor repairs.
What is the 1% rule for home maintenance?
The 1% rule says budget 1% of purchase price per year for maintenance. On a $350,000 home, that is $3,500. Older homes and homes with pools or large lots need closer to 2%.
What maintenance percent should I use?
1% newer homes, 2% average, 3–4% older or harsh climates.
Is PMI included automatically?
Only if you toggle <20% down.
How do I compare to rent?
Compare all-in to rent plus renters insurance — not to mortgage alone.
Should utilities include internet?
Optional; keep consistent month to month.
Does escrow change totals?
Use actual escrow disbursement — taxes rise independently of rate.
What about home warranty?
Add as optional line; many owners self-insure via reserve.
Are capital improvements in reserve?
Reserve covers routine; roof/HVAC replacement needs separate sinking fund.
How accurate is default insurance?
Rough — get quotes for your zip and coverage limits.
Can I run scenarios?
Change rate or down payment fields separately; save screenshots for comparison.
Does this qualify me for a loan?
No. Lenders use disclosed debts and their own models.

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