How Much Do You Need for a Down Payment?

Learn what a down payment does, what mortgage insurance means, and how to preserve cash.

1. What does this mean?

A down payment is the money you pay toward the home price upfront. If a home costs $300,000 and you contribute $30,000, your starting loan is $270,000. A larger down payment usually reduces the amount borrowed and can affect pricing and mortgage insurance, but putting every available dollar down can leave you without cash for emergencies.

2. Calculate common down-payment sizes

On a $300,000 home, 3% is $9,000; 5% is $15,000; 10% is $30,000; and 20% is $60,000. These are math examples—not eligibility promises. Conventional, FHA, VA, and USDA loans have different requirements and qualifications.

3. Understand mortgage insurance

Private mortgage insurance (PMI) generally protects a conventional lender when a borrower has a smaller down payment. FHA loans use a different mortgage insurance structure. Mortgage insurance is not a repair fund and does not pay your mortgage for you if you lose your job.

4. Consider how the down payment affects monthly cost

A larger down payment lowers principal and may change insurance and loan pricing. But it reduces cash held in savings. Run comparisons using identical rates first to isolate the loan-balance effect, then use real lender offers to account for rate differences.

5. Add closing costs and reserves

Cash to close generally includes down payment plus closing costs, adjustments, and prepaid items, minus applicable deposits or credits. CFPB describes a typical closing-cost range of roughly 2–5% of price, excluding the down payment, but actual amounts vary.

6. Ask about assistance without assuming eligibility

State and local homeownership programs may offer help. Read whether assistance is a grant, a forgivable loan, or a repayable second loan. Check occupancy, income, and repayment conditions before relying on it.

7. Follow the money: a worked example

For a $350,000 home, a 5% down payment is $17,500; a 20% down payment is $70,000. The difference in borrowing is $52,500. At a hypothetical 6.5% rate over 30 years, that difference changes principal-and-interest payments by about $332 a month, before differences in mortgage insurance, rates, and fees. The 20% option also commits $52,500 more cash at closing. Compare both the monthly and emergency-fund outcomes.

Separate the down payment from total cash needed

A down payment is the part of the purchase price you pay rather than finance. A $360,000 home with 5% down uses $18,000 of down-payment cash and starts with a $342,000 loan before financed fees or other adjustments. At 20% down, the cash is $72,000 and the starting loan is $288,000. The smaller loan generally means less monthly principal and interest, but the larger upfront commitment leaves less liquidity for closing costs, moving, and repairs. Neither percentage is automatically best for every household.

Suppose closing costs and prepaids are a hypothetical 3% of that $360,000 price, or $10,800. The 5% scenario would require roughly $28,800 before accounting for credits, earnest money, and reserves; the 20% scenario roughly $82,800. An emergency fund you intend to keep should not be counted as available purchase cash. Earnest money may be credited toward cash to close, but it is still cash you need earlier in the transaction.

Understand mortgage insurance and program differences

For many conventional loans, a down payment below 20% can trigger private mortgage insurance (PMI), a separate charge that protects the lender if the borrower defaults. Its price and cancellation rules depend on the loan and applicable law. FHA and other programs use different mortgage-insurance structures. A zero-down program, where available to an eligible borrower, does not mean zero closing costs or a guaranteed approval. Compare actual Loan Estimates for the same property and timeframe rather than treating a single percentage as a universal threshold.

Down-payment assistance can be a grant, forgivable loan, repayable second loan, or other arrangement. Read occupancy, income, repayment, and resale conditions before counting on it. Ask who administers the program and whether assistance changes the first mortgage's rate or fees. A HUD-approved housing counselor can help identify programs, but eligibility must be confirmed with the program and lender.

Test the decision against your first year

Compare several down-payment options with the same rate assumption, then request real quotes because rates and mortgage insurance may differ by option. For each, write down cash to close, monthly all-in housing cost, savings left after closing, and what a $5,000 early repair would do to your budget. If one option leaves no reserve, a slightly higher payment with more cash retained may be safer. If you can comfortably preserve reserves at a higher down payment, the lower loan balance may be attractive.

A larger down payment may also change the interest rate offered, but that relationship varies by lender and loan. Ask for same-day written quotes at several down-payment levels. Compare the total of upfront cash, monthly cost, and cash remaining after closing before deciding.

8. Common mistakes to avoid

Waiting because 20% is mandatory. Some loan programs permit lower down payments for eligible borrowers.

Assuming PMI is always permanent. Rules for removing insurance vary by loan type and circumstances.

Forgetting deposits and prepaid charges. Your upfront cash need can exceed the down payment.

Using all available savings. Keep funds for repairs, emergencies, and moving.

9. Frequently asked questions

Can I buy with zero down?

Some eligible programs may allow it; qualifying rules and costs apply.

Does 20% down eliminate all insurance?

It may avoid certain conventional PMI requirements, but homeowners insurance is still typically necessary.

Can I use a gift?

Some programs permit gift funds subject to documentation and restrictions.

Does a bigger down payment always win?

Not necessarily; liquidity, loan pricing, and competing goals matter.

10. What you can do today

Calculate the down payment as a percentage of actual prices.
Ask lenders about specific loan programs and mortgage insurance.
List all cash-to-close components.
Compare scenarios without spending your emergency savings.

11. The bottom line

Buying a home is a personal financial decision, not a contest. Compare the complete costs, protect money needed for emergencies, and choose a plan that still allows room for the rest of your life.

Related reading: buying-your-first-home, what-is-a-mortgage, rent-vs-buy

Official resources and further reading

Educational information only; not individualized mortgage, tax, legal, or investment advice. Examples are illustrative and are not lender quotes. Verify applicable loan terms, regulations, and local costs before making decisions.

Read our full educational disclaimer.