House Affordability Calculator · Practical guide
How Much House Can I Afford on $100K?
Roughly $377,000 with 20% down at 6.5% — plus what changes the number and a salary-by-salary table.
At a glance
The Short Answer
On a $100,000 salary you can typically afford a home around $377,000 with 20% down, a 6.5% 30-year mortgage, 1.2% property tax, and $1,500 a year of insurance. That follows the 28/36 rule: your total housing payment stays under $2,333 a month, or 28% of your $8,333 gross monthly income.
Interactive tool
House Affordability Calculator
Enter your own values, then compare the result with the examples below.
Where the Number Comes From
With $500 a month of other debt, the 36% back-end cap allows $2,500, so the 28% front-end cap binds at $2,333. Subtracting $125 of insurance leaves $2,208 for principal, interest, and tax, which supports a loan of about $301,700 at 6.5% for 30 years. Add the 20% down payment and you get roughly $377,000.
Affordable Price by Salary
Same assumptions: 6.5% rate, 30-year term, 20% down, 1.2% tax, $1,500 insurance, $500 monthly debt.
| Annual Salary | Max Monthly Payment | Max Home Price |
|---|---|---|
| $50,000 | $1,000 | $149,400 |
| $75,000 | $1,750 | $277,500 |
| $100,000 | $2,333 | $377,100 |
| $150,000 | $3,500 | $576,300 |
What Moves the Number
Small changes swing the result a lot. At 5.5% instead of 6.5%, the same $100,000 earner qualifies for about $413,000. With no other debt the payment cap does not change here, but $1,000 of monthly debt drops the back-end cap to $2,000 and the price to roughly $320,000. Enter your exact income, debts, and down payment above.
Frequently Asked Questions
How much house can I afford on $100k with no debt?
The same roughly $377,000 under these assumptions — the 28% front-end cap binds first, so debt does not reduce it until it exceeds about $667 a month.
What if I only have 10% down?
Expect a lower comfortable price plus PMI of roughly 0.5-1.5% of the loan per year. On a $340,000 loan that adds about $142-$425 a month.
Should I count my take-home pay instead?
Lenders qualify on gross income, which is what the 28/36 rule uses. Still sanity-check the payment against your take-home pay before committing.
How much are closing costs on a $377,000 home?
Budget 2-5% of the price — roughly $7,500 to $18,900 — due on top of the down payment.