How Much House Can I Afford on a $100K Salary?
On a $100,000 salary, the 28/36 rule supports a home priced around $344,000with $50,000 down at today's rates. The calculator below is pre-filled for $100K income so you land on a real number — change the down payment, debts, or rate to match your situation.
Your Financial Details
Car payments, student loans, credit cards, etc.
Annual rate as % of home value
Maximum Home Price You Can Afford
$344,000
Based on the 28% DTI rule
Estimated Monthly Payment (PITI)
Debt-to-Income Analysis
Guideline: 28% max
Guideline: 36% max
Monthly Income: $8,333 | Max Housing (28% rule): $2,333 | Max Housing (36% rule): $2,500
Home Price
$344,000
Down Payment
$50,000
Loan Amount
$294,000
Down Payment %
14.5%
The 28/36 Rule on $100,000
Lenders underwrite most conventional mortgages with the 28/36 rule. The first number caps your housing payment at 28% of gross monthly income; the second caps total debt payments at 36%. On $100,000 a year, your gross monthly income is about $8,333, so the two ceilings are:
| Rule | Limit | Monthly cap |
|---|---|---|
| Front-end (housing only) | 28% of $8,333 | ~$2,333 / month |
| Back-end (all debt) | 36% of $8,333 | ~$2,500 / month |
With a typical $500 of other monthly debt, the 28% rule is the binding limit here — it holds your housing payment to about $2,333. That supports a $344,000 home with $50,000 down and a $294,000 loan at 6.5% over 30 years. But add a $500 car payment and a $300 student loan, and the 36% rule takes over, pulling your housing budget below $2,000 and your affordable price down by roughly $40,000. See the full math on the affordability calculator and the debt-to-income ratio calculator.
How PMI Affects Affordability at $100K
The calculator's $344,000 figure assumes no private mortgage insurance. But $50,000 down on a $344,000 home is only about 15% — under the 20% threshold — so a conventional loan would carry PMI. At a typical 0.6% annual rate, PMI on the $294,000 loan adds roughly $138 a month.
That $138 comes straight out of your 28% housing budget. Once you reserve room for it, the same $2,333 ceiling supports closer to a $325,000 home instead of $344,000 — PMI quietly costs you about $19,000of buying power. To skip PMI entirely on a $344,000 home you'd need 20% down, or about $68,800.
PMI isn't permanent — it can be cancelled at 80% loan-to-value and auto-terminates at 78%. Estimate your monthly premium and cancellation timeline with the PMI calculator.
Recommended Down Payment Savings Timeline
A 20% down payment on the $344,000 home you can afford is $68,800— enough to skip PMI and unlock better pricing. Here's how long it takes to get there at a few monthly savings rates:
| Monthly savings | Time to $68,800 (20%) | Time to $34,400 (10%) |
|---|---|---|
| $500 / month | ~11.5 years | ~5.7 years |
| $750 / month | ~7.6 years | ~3.8 years |
| $1,000 / month | ~5.7 years | ~2.9 years |
Because saving a full 20% can take years while prices keep moving, many $100K buyers put down 5–10%, accept PMI for a while, and cancel it once they hit 20% equity. Map your own target and monthly contribution with the down payment savings goal calculator.
Monthly Payment Scenarios at $100K
Here's the full PITI payment at several price points, all with $50,000 down at a 6.5% rate, 1.2% property taxes, and $1,500/year insurance. Your 28% ceiling is $2,333/month — anything above it breaks the rule:
| Home price | Loan | P&I | Total PITI | Fits 28%? |
|---|---|---|---|---|
| $280,000 | $230,000 | $1,454 | $1,859 | Yes |
| $320,000 | $270,000 | $1,707 | $2,152 | Yes |
| $344,000 (max) | $294,000 | $1,858 | $2,327 | Yes |
| $380,000 | $330,000 | $2,086 | $2,591 | No |
Rates move this table a lot. At the $344,000 price, the PITI runs about $2,232/month at 6%, $2,327 at 6.5%, and $2,425 at 7% — roughly a $95–$100 monthly swing per half-point. Every 1% change in rate shifts what you can afford by around $25,000–$30,000.
Affordability at Other Salaries
Earning more or less than $100K? The same 28/36 math runs at every income — here's where a few nearby salaries land:
- How much house can I afford on $80K — roughly a $272,000 home
- How much house can I afford on $60K — roughly a $195,000 home
- Full affordability calculator — run your own exact income and debts
Frequently Asked Questions
How much house can I afford on a $100,000 salary?
On $100,000 a year your gross monthly income is about $8,333. The 28% front-end rule caps your housing payment at roughly $2,333 a month, which supports a home priced around $344,000 with $50,000 down at a 6.5% rate — assuming you have only modest other debt. With less down, PMI, or a higher rate, that number drops; with 20% down it can stretch higher. Adjust the calculator above to see your exact figure.
Is $100K a good salary to buy a house?
Yes. A $100,000 income is well above the U.S. median household income and comfortably supports a mid-priced home in most of the country. The constraint is rarely the salary itself — it's your other debt payments, your down payment, and the current interest rate. Buyers with a paid-off car and no student loans can afford noticeably more house than the salary alone suggests.
What mortgage payment can I afford on $100K?
Using the 28% rule, your total monthly housing payment (principal, interest, taxes, and insurance) should stay at or below about $2,333. Many financial planners suggest aiming lower — closer to 25% of gross income, or about $2,083 a month — to leave room for retirement savings, repairs, and emergencies.
Should I buy at the top of what I qualify for on $100K?
Usually not. The 28/36 maximum assumes stable income, no surprise expenses, and taxes and insurance that never rise. A smart target is 10–15% below your qualifying ceiling, which on $100K means shopping closer to $290K–$310K for most buyers and reserving the headroom for life.