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I Have $20,000 for a Down Payment — How Much House Can I Afford?

Reviewed by Unpack Money Research Desk · Updated October 28, 2026 · Our review process

Quick answer

$20,000 covers 3% down on roughly a $667,000 home, 10% on a $200,000 home, or 20% on a $100,000 home — the percentage decides the price range. But lenders size your loan from income and debts using the 28/36 rule, and closing costs take another 2–5%. Your income usually sets a lower ceiling than the down-payment math suggests.

The down payment arithmetic

The core equation is simple: home price = down payment ÷ down payment percentage. On $20,000, the range runs from about $667,000 at 3% down to $100,000 at 20% down. Lower percentages exist through loan programs (conventional loans from 3%, FHA from 3.5%), but every point below 20% raises the monthly cost through a bigger loan and, usually, mortgage insurance.

Treat the table below as arithmetic, not approval. It answers “what does $20,000 buy at each percentage” — the next section answers the harder question of what a lender will actually let you borrow.

Why your income decides more than your down payment

Lenders apply the 28/36 rule: housing costs (principal, interest, taxes, insurance, HOA) shouldn't exceed about 28% of gross monthly income, and all monthly debts shouldn't exceed about 36%. On a $75,000 salary ($6,250/month), that caps housing around $1,750/month — which, at typical rates, supports roughly a $250,000 loan of principal and interest alone, and less once taxes, insurance, and HOA dues are counted, regardless of what the down-payment math allows. (Illustrative figures.)

This is why the 3%-down $667,000 line in the table is mostly theoretical for typical incomes: the monthly payment on a $647,000 loan would demand far more income than most $20,000 savers earn. Run your own income through the mortgage calculator before falling in love with a price range.

The costs beyond the down payment

Closing costs — lender fees, title insurance, prepaid taxes and insurance, recording fees — typically run 2–5% of the purchase price. On a $250,000 home that's $5,000–$12,500 due at closing, separate from the down payment. First-time buyer programs sometimes offer closing-cost assistance; ask your lender early rather than discovering the gap at the closing table.

Then there's everything after the keys: moving costs, immediate repairs, furniture. Keep a cash buffer beyond the down payment and closing costs — arriving at homeownership with $0 in savings turns every broken appliance into a credit card balance.

The 20% question and PMI

Twenty percent down avoids private mortgage insurance entirely. Below 20%, conventional loans add PMI — often 0.5–1% of the loan per year — until you reach 20% equity, when you can request cancellation (it generally drops automatically at 22%). FHA loans have their own mortgage insurance with different rules.

Waiting to save 20% isn't automatically right either. Years of renting while saving the difference has its own cost, and home prices may not wait. Compare the PMI cost against the cost of waiting — that's the real decision, not a moral rule about 20%.

What to do with the $20,000 right now

While you're shopping, keep the down payment somewhere safe and liquid — a high-yield savings account, not the market. You need every dollar intact on closing day, and a few months of interest is a bonus, not the strategy.

And protect the rest of your finances like a lender is watching — because one will be. Don't open new credit, don't finance furniture, don't change jobs if you can avoid it between pre-approval and closing.

At a glance

Illustrative arithmetic: what $20,000 covers at each down payment percentage (income limits apply separately)

What this means for you

Start from your income, not your savings: run the 28/36 rule on your pay stub to find your real price ceiling, then see which down payment percentage gets you there on $20,000. Budget closing costs separately, keep a cash buffer, and keep the down payment itself somewhere boring and liquid until closing day.

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