Updated June 21, 2026

How Much House Can You Actually Afford? The Real Math

Two major studies tried to answer the same question this year: how much income do you need to buy the typical American home? Redfin's analysis says $120,796. A 50-metro salary study from HSH.com says roughly $106,731. Same country, same median home, same mortgage rates — and a $14,000 gap in the answer.

That gap isn't a mistake. It's a window into the hidden assumptions — down payment size, debt-to-income thresholds, taxes, insurance, mortgage insurance — that quietly decide whether you can afford a house. Most affordability articles hand you a single number and skip the levers. This one shows you the levers, then walks you through the reverse calculation: starting from your actual paycheck and deriving your real maximum price at today's exact rates.

One thing up front: this is informational, not financial advice. Your situation — your debts, your job stability, your local taxes — changes the math, and a fee-only financial planner or a good loan officer can pressure-test your specific numbers.

Key Takeaways

• The median existing home cost $429,300 in May 2026 (NAR), and the 30-year fixed mortgage averaged 6.52% as of June 11, 2026 (Freddie Mac). At those numbers, the income required to buy comfortably sits far above the U.S. median household income of roughly $81,600–$83,700.
• Lenders will approve far more debt than you can comfortably carry — up to 50% of gross income on total debt payments in some cases. The bank's ceiling is not your budget.
• Principal and interest is only part of the cost. Bankrate puts the non-mortgage costs of owning a typical single-family home at $21,400 per year — roughly $1,780 a month on top of the loan payment.
• A 10% down payment — the median for first-time buyers — triggers private mortgage insurance of roughly 0.46% to 1.5% of the loan per year until you reach 20% equity.
• Every quarter-point move in mortgage rates changes the income needed to buy the median home by roughly $2,700–$2,800 a year. Every $25,000 in price changes it by roughly $6,100.

Here's the path through this guide: first, why the two headline studies disagree. Then what lenders actually approve, what a house really costs per month, how to run the math backward from your own income, a sensitivity table for rates and prices, and finally the down payment and closing-cost cash you need before any of the monthly math matters.

Why Redfin Says $120,796 and HSH Says $106,731

Start with what the two studies agree on. The median existing-home price hit $429,300 in May 2026 — a record high for the month of May, up 1.3% from a year earlier, according to the National Association of Realtors (NAR). The NAR is the trade group whose monthly existing-home sales report is the standard measure of the resale market, which is most of the market. Both studies also work from mortgage rates in the same mid-6% range tracked by Freddie Mac's weekly survey.

So where does $14,000 of disagreement come from? Neither study publishes every assumption side by side, but affordability math only has a few moving parts, and each one shifts the answer in a predictable direction:

Lever	How it moves the "income needed" number
Down payment size	Redfin's figure assumes 10% down. A larger assumed down payment shrinks the loan and the required income.
Share of income allowed for housing	A study using a 28% housing cap demands more income than one using 30% or higher. Roughly every percentage point of allowance changes the answer by about $4,000–$4,500 at today's median.
Taxes, insurance, and PMI	Including the full monthly cost (not just principal and interest) raises required income substantially. Studies that count private mortgage insurance demand more income than those that ignore it.
Rate snapshot timing	Rates moved through the year. A study locked to a slightly lower week produces a lower bar.

The honest takeaway: there is no single "income you need to buy a house." There's a range, and where you land in it depends on which assumptions match your situation. Put 20% down with no other debts and you live near the bottom of the range. Put 10% down with a car payment and you live above the top of it.

For calibration, both studies agree the bar is high relative to wages. Redfin's analysis, reported by CBS News, puts the required income 48% above the U.S. median household income of $81,604 — though it notes the requirement actually fell 3.2% from 2025. New construction is worse: the National Association of Home Builders (NAHB), the trade group for the homebuilding industry, found that 74.9% of U.S. households can't afford a median-priced new home at $459,826, which requires $141,366 in income (NAHB priced-out study, March 2025).

What the Bank Will Approve Is Not What You Can Afford

The classic affordability guideline is the 28/36 rule: housing costs should take no more than 28% of your gross monthly income (the "front-end" ratio), and all debt payments combined — housing plus car loans, student loans, credit card minimums — should stay under 36% (the "back-end" ratio), per Bankrate.

Lenders abandoned that conservatism years ago. The Federal Housing Administration (FHA), the government agency that insures low-down-payment mortgages, sets standard debt-to-income (DTI) limits of 31% front-end and 43% back-end — and will stretch the back-end to 50% with compensating factors like strong reserves, according to Rocket Mortgage. Conventional loans backed by Fannie Mae and Freddie Mac routinely clear automated underwriting at 45–50% back-end DTI when the borrower has good credit (Bankrate).

Sit with that spread for a second. The traditional rule says 36% of gross income is the ceiling for all your debt. The lender will approve 50%. On a $100,000 household income, that's the difference between $3,000 and $4,167 a month in total debt payments — about $14,000 a year that the approval letter says you can spend but the old-school math says you can't.

The lender isn't wrong about default risk; it's answering a different question. Underwriting asks "will this borrower repay the loan?" You're asking "can I repay the loan and fund retirement, replace a car, absorb a layoff, and still take a vacation?" Gross income also hides the gap: 28% of gross can easily be 38–40% of take-home pay once taxes, health insurance, and 401(k) contributions come out. The approval ceiling is built on the number before all of that.

Rule of thumb worth keeping: treat the lender's maximum as a hard ceiling you stay well under, not a target. If your approved amount and your comfortable amount were the same number, the approval process would be a budget. It isn't.

The Real Monthly Cost: PITI Plus Everything Else

Mortgage math usually stops at PITI — principal, interest, taxes, and insurance. Even that is bigger than most first-time buyers expect, and it's still not the whole bill.

Here's an illustrative monthly breakdown for the median existing home at current numbers — $429,300 price, 10% down ($42,930), a $386,370 loan at 6.52%. These are our calculations using national-average inputs; your property taxes and insurance will vary a lot by state.

Monthly cost	Amount	Basis
Principal & interest	~$2,447	$386,370 loan, 30-year fixed at 6.52% (Freddie Mac average, June 11, 2026)
Property taxes	~$360	$4,316/year national average (Bankrate)
Homeowners insurance	~$179	$2,151/year national average (NerdWallet/Bankrate 2026 analyses)
Private mortgage insurance	~$148–$483	0.46%–1.5% of loan annually, by credit score (Urban Institute via Bankrate)
PITI + PMI total	~$3,134–$3,469

For context, the average principal-and-interest payment across all mortgages was $2,329 in 2025, per an AmeriSave industry analysis — buyers entering at today's prices and rates pay meaningfully more than the average existing homeowner, many of whom locked sub-4% rates years ago.

Now the part the listing photos don't show. Bankrate's Hidden Costs of Homeownership study found that owning a typical single-family home costs $21,400 per year beyond the mortgage payment: about $8,800 in maintenance, $4,494 in utilities and energy, $4,316 in property taxes, $2,267 in home insurance, and $1,515 in internet and cable. (Taxes and insurance overlap with the PITI table above; the maintenance and utilities — roughly $1,100 a month combined — usually don't appear in any affordability calculator.) Location swings this hard: West Virginia owners pay about $12,579 a year in these costs, while Hawaii owners pay nearly triple that, per the same study.

Insurance deserves its own warning. The national average premium of $2,151 a year hides a range from $601 in Hawaii to $4,799 in Oklahoma (NerdWallet/Bankrate). If you're shopping in a wind, hail, or wildfire state, get an actual insurance quote before you write an offer — an $400-a-month premium can sink a budget that looked fine on a calculator.

Think of it like the sticker price versus the cost of ownership on a car, except the gap is wider. The mortgage is the sticker. The house costs more.

The Reverse Calculation: Start From Your Paycheck

Affordability studies work forward from the median home. You should work backward from your income. Here's the method, with a worked example at today's exact numbers. (Illustrative math using national averages — swap in your own figures.)

A household earning $100,000:

1. Gross monthly income: $8,333.
2. Apply the 28% front-end cap: $2,333 for total housing.
3. Subtract taxes and insurance (national averages: $360 + $179): leaves $1,794.
4. Subtract PMI if you're putting down less than 20% (~$130/month at a good credit score on this loan size): leaves about $1,664 for principal and interest.
5. Convert P&I to a loan amount. At 6.52% on a 30-year fixed, every $1,000 of loan costs about $6.33 a month. So $1,664 supports roughly a $263,000 loan.
6. Add your down payment. With 10% down, that's a purchase price around $292,000.

That result deserves a pause: by the conservative rule, a $100,000 household — earning well above the national median — affords a home roughly $137,000 below the median existing home. That's the affordability gap in one sentence, and it's why Redfin found the typical home requires 48% more income than the typical household earns.

Now the same household through the lender's eyes. At a 43% back-end DTI with no other debts, $3,583 a month can go to housing. Strip out taxes, insurance, and PMI and about $2,914 remains for principal and interest — supporting a $460,000 loan, or a purchase price north of $510,000 with 10% down.

Same income. One math says $292,000; the other says $510,000. Every dollar between those two numbers is risk you're choosing to carry, not capacity the bank discovered. Existing debts compress the gap fast, too: a $450 car payment and a $300 student loan payment eat 9 points of back-end DTI before housing gets a dime.

A sanity check most calculators skip: run step 2 against your take-home pay as well. If the housing payment exceeds about 35% of what actually hits your checking account, the budget will feel tight regardless of what the gross-income ratios say.

The Sensitivity Table Nobody Publishes

Affordability headlines treat the required income as a fixed fact. It's not — it's a function of two inputs that move constantly. Here's what each quarter-point of mortgage rate does to the income needed for the median $429,300 home with 10% down, using the 28% front-end rule with average taxes and insurance (our calculations):

30-year rate	Monthly P&I	Approx. income needed (28% rule)
6.02%	$2,321	~$122,600
6.27%	$2,384	~$125,300
6.52% (current)	$2,447	~$128,000
6.77%	$2,511	~$130,700
7.02%	$2,576	~$133,500

(Our 28%-rule figure of ~$128,000 lands above Redfin's $120,796 — which tells you Redfin's affordability threshold is more permissive than the strict 28/36 rule. Again: assumptions are the whole game.)

Two patterns worth extracting:

• Each 0.25-point rate move ≈ $2,700–$2,800 of required income. Rates are 32 basis points lower than a year ago (6.52% vs. 6.84%, per Freddie Mac), which by itself trimmed the income bar by roughly $3,500 — enough to outweigh the 1.3% price increase. That's the mechanical explanation for the modest affordability improvement Redfin measured this year: the rate lever moved more than the price lever.
• Each $25,000 of purchase price ≈ $6,100 of required income at the current rate with 10% down. Which means a quarter-point of rate is worth roughly $11,000 of house. If you're deciding between waiting for rates to fall and negotiating harder on price, that's the exchange rate — and you control the negotiation, not the Federal Reserve.

This is also why "marry the house, date the rate" sales pitches deserve skepticism: a future refinance is a possibility, not a plan. Buy at a payment you can carry at today's rate.

The Down Payment: What Buyers Actually Put Down

The 20% down payment is more myth than median. Per the NAR 2025 Profile of Home Buyers and Sellers, the median down payment was 19% across all buyers — but just 10% for first-time buyers (the highest since 1989) and 23% for repeat buyers (the highest since 2003). Repeat buyers roll equity from a prior home into the next one; first-timers are saving from scratch, which is why the two numbers live in different worlds.

Where does the cash come from? Among first-time buyers, 59% used personal savings, 26% tapped a 401(k), IRA, or stock investments, and 22% received gifts or loans from family or friends (NAR). If family help is on the table, know that lenders require a gift letter documenting the money isn't a disguised loan.

On the median $429,300 home, the down payment tiers look like this:

Down payment	Cash required	Loan amount	PMI?
3.5% (FHA minimum)	$15,026	$414,274	Yes (FHA's own mortgage insurance)
10% (first-timer median)	$42,930	$386,370	Yes, ~$148–$483/month
20%	$85,860	$343,440	No

Private mortgage insurance (PMI) — the policy that protects the lender when you put down less than 20% — runs 0.46% to 1.5% of the original loan amount per year depending on credit score, roughly $115 to $375 a month on a $300,000 loan, per Urban Institute data cited by Bankrate. A 760+ credit score gets you near the bottom of that range; a 620–639 score sits near the top. PMI isn't forever — on conventional loans it goes away once you reach 20% equity — but it's real money during exactly the years your budget is tightest. The often-missed move: as home values rise, you can request PMI removal based on a new appraisal rather than waiting for your payments alone to get you there.

Loan size limits matter at the high end. For 2026, the conforming loan limit — the largest mortgage Fannie Mae and Freddie Mac will back — is $832,750 for one-unit properties in most of the country, with a high-cost-area ceiling of $1,873,675 (FHFA, the Federal Housing Finance Agency that regulates Fannie and Freddie). FHA limits start at a $541,287 floor in most counties and reach $1,249,125 in high-cost areas (HUD). Above the conforming limit you're in jumbo territory, where down payment and credit requirements typically tighten.

Don't Forget Cash to Close

The down payment isn't the only check you write. Closing costs — lender fees, title insurance, appraisal, prepaid taxes and insurance — typically run 2% to 5% of the loan amount (Bankrate). Pure transaction closing costs averaged $4,661 per Lodestar's 2025 report, but all-in cash to close commonly lands in the $6,000–$15,000 range once prepaid escrows are included (LendingTree/Bankrate/Lodestar).

So the realistic cash requirement for a median-priced home with 10% down is roughly $50,000–$58,000 — down payment plus closing costs — before you've bought a couch or fixed the first thing the inspector flagged. A useful buffer rule: after closing, you want at least three months of the full ownership cost (PITI plus that ~$1,100/month of maintenance and utilities) still in savings. A house that empties every account on day one isn't affordable; it's merely purchased.

The One-Number Answer, If You Want One

If you skip everything else, run this: multiply your gross annual income by 0.28, divide by 12, subtract your real local tax and insurance estimates (and PMI if under 20% down), and divide what's left by $6.33 per $1,000 to get your loan size at today's 6.52% rate. Add your down payment. That's your conservative ceiling — the price at which the house funds your life instead of consuming it.

Your single next action: pull your last three months of take-home pay, run that calculation with your actual numbers, and write the result down before you talk to a lender. Walking in with your own ceiling is the only reliable defense against being handed someone else's.

Sources

• Freddie Mac Primary Mortgage Market Survey — https://www.freddiemac.com/pmms
• National Association of Realtors, Existing-Home Sales & 2025 Profile of Home Buyers and Sellers — https://www.nar.realtor/
• Redfin affordability analysis via CBS News — https://www.cbsnews.com/
• HSH.com 50-metro salary study — https://www.hsh.com/
• NAHB Priced-Out Study, March 2025 — https://www.nahb.org/
• Bankrate, 28/36 rule, DTI limits, and Hidden Costs of Homeownership study — https://www.bankrate.com/
• Rocket Mortgage, FHA DTI guidelines — https://www.rocketmortgage.com/
• FHFA 2026 conforming loan limits — https://www.fhfa.gov/
• HUD 2026 FHA loan limits — https://www.hud.gov/
• FRED, 30-Year Fixed Mortgage Rate series — https://fred.stlouisfed.org/series/MORTGAGE30US

Data as of June 12, 2026. Mortgage rates, home prices, and loan limits change; verify current figures before making decisions. This article is informational, not financial advice.

Found an error? At Canopy Press, accuracy comes first. If you spot a claim that needs checking, let us know at [email protected] — we'll verify and correct it immediately.

Found an error? At Canopy Press, accuracy comes first. If you spot a claim that needs checking, let us know at [email protected] — we'll verify and correct it immediately.

Sources

• IRS
• Federal Reserve Economic Data (FRED)