Saving for your first home is a 2 to 7 year project for most people. The work is math, discipline, and not getting seduced by the loan officer who says you “can afford” more than you really can.
Here’s the full playbook: what you actually need, where to put it, and how to get there.
How much do you actually need
Total first-time home costs break down into:
- Down payment: 3.5% to 20% of home price
- Closing costs: 2% to 5% of home price
- Moving costs: $500 to $10,000+
- Immediate repairs and furnishing: $2,000 to $20,000
- Emergency fund topped up: 3 months of new mortgage payment
For a $400,000 home target, realistic total upfront cash:
| Scenario | Down % | Down $ | Closing + move | Total |
|---|---|---|---|---|
| FHA (3.5%) | 3.5% | $14,000 | $15,000 | $29,000 |
| Conventional (5%) | 5% | $20,000 | $15,000 | $35,000 |
| Conventional (10%) | 10% | $40,000 | $15,000 | $55,000 |
| Avoid PMI (20%) | 20% | $80,000 | $15,000 | $95,000 |
That’s before the first mortgage payment. And before any repairs the home needs.
Should you put 20% down?
The conventional wisdom says yes, 20% down avoids PMI (Private Mortgage Insurance, usually 0.5-1.5% of the loan annually).
Reality is more nuanced:
Arguments for 20%:
- No PMI (saves $100-300/month on a $400K home)
- Lower monthly payment
- More equity from day one
- Better negotiating position
Arguments against 20%:
- Takes years longer to save
- You miss years of market appreciation
- You miss years of principal paydown (equity building)
- Capital tied up in illiquid home equity
For most first-time buyers, 5% to 10% down is often the right balance. You buy sooner, you deal with PMI for a few years (it drops off automatically at 78% loan-to-value), and you’re in the market.
Use our rent vs buy calculator
Before fixating on down payment amount, run the honest comparison of renting vs buying for your specific situation. Our rent vs buy calculator computes:
- True monthly cost of owning (PITI + maintenance + opportunity cost)
- Monthly cost of renting + invested down payment
- Honest verdict on which is cheaper over your horizon
Sometimes buying is the right call. Sometimes renting longer is. Don’t skip this step.
Where to keep your down payment savings
The core rule: money you’ll need within 3 years should not be in the stock market.
Best places:
- High-yield savings account (HYSA) for most of it. 4-5% APY in 2026. FDIC-insured. Fully accessible. See the HYSA guide.
- CDs (certificates of deposit) if you’re sure of your timeline. Slightly higher rate, locked up.
- Treasury bills via TreasuryDirect or a brokerage. State tax-free. Competitive rates.
- Money market funds in your brokerage. Similar rate to HYSA, slightly more effort to access.
Not recommended for a 2-3 year horizon:
- Stock market (S&P 500 index funds)
- Crypto
- Real estate funds
- Anything that can drop 30% in a year
If your timeline is 5+ years, a portion can go into a balanced portfolio. But most first-time buyers are on 2-3 year timelines.
First-time buyer programs worth knowing
FHA loans
- 3.5% down with 580+ credit score
- 10% down with 500-579 credit score
- PMI is permanent (can only be removed by refinancing to conventional)
- Good for: buyers with lower credit or smaller down payment
Conventional 97
- 3% down for first-time buyers
- Requires 620+ credit score
- PMI drops off at 78% LTV
- Good for: buyers with decent credit but small savings
VA loans
- 0% down for eligible veterans
- No PMI
- Lower rates
- Only for: current/former military
USDA loans
- 0% down in designated rural areas
- Income limits apply
- Good for: homes in rural areas
State-specific first-time buyer programs
- Down payment assistance grants ($5,000 to $50,000 depending on state)
- Reduced-rate mortgages
- Tax credits
- Check your state’s Housing Finance Agency website
Employer homebuying programs
- Some large employers (hospitals, universities, Fortune 500) offer down payment assistance or homebuying benefits. Ask HR.
Accelerating the timeline
1. Automate transfers the day after payday. Set up automatic transfer to your HYSA on every payday. Start at 15% of take-home, ratchet up as you can. Money you don’t see doesn’t get spent.
2. Apply every windfall. Tax refund, bonus, birthday money, side hustle income. Every dollar goes to the down payment fund until you hit target.
3. Reduce housing while saving. The single biggest lever: move somewhere cheaper while saving. Roommate. Cheaper city. Parents’ spare room. Every $500/month less in rent is $18,000 over 3 years.
4. Earn more. A side hustle (see our side hustle guides) earning $500-1,500/month extra, dedicated fully to down payment, can cut 1-2 years off your timeline.
5. Use tax-advantaged accounts carefully.
- Roth IRA: You can withdraw contributions anytime without penalty. First-time buyers can also withdraw up to $10,000 of earnings penalty-free. Useful but depletes retirement savings.
- 401(k) loan: Risky. Can borrow up to $50,000, but if you leave your job, the loan often becomes due fast.
Most financial advisors don’t recommend tapping retirement for a first home unless necessary.
Timeline realities
Rough timelines to hit a $40,000 down payment (5% on a $400K home + closing costs):
| Monthly savings | Months to $40K | Years |
|---|---|---|
| $500 | 80 | 6.7 years |
| $750 | 53 | 4.4 years |
| $1,000 | 40 | 3.3 years |
| $1,500 | 27 | 2.25 years |
| $2,000 | 20 | 1.7 years |
Add a year if you also need to build an emergency fund first, which you should.
The hidden costs first-time buyers miss
Property tax escalation. Your first full year’s property tax might be based on new assessed value, which can jump 20-50% from the seller’s prior tax bill.
HOA fees. Condos and some communities have HOA fees of $100 to $800/month.
Utilities. Your new utility bills may be 2-3x your apartment’s. Bigger space, separate accounts, yard maintenance.
Immediate repairs. Inspection will find things. Plan $2,000-5,000 for first-year repairs.
Appliances and furniture. Your apartment-sized stuff won’t fill a house. $2,000-15,000 of furniture in year one is common.
Monthly affordability check
Before fixating on down payment, check whether the monthly payment is realistic:
- Total monthly housing cost (PITI + HOA + maintenance reserve): ideally under 28% of gross income
- All debts (housing + student loans + car + credit cards): ideally under 36% of gross income (your DTI)
If the numbers don’t work, the answer isn’t “buy less down”: it’s “buy a cheaper home” or “keep renting while saving more.”
When to actually buy
Signs you’re ready:
- Stable job for 2+ years
- Full emergency fund in place (3-6 months expenses, plus the first 3 months of mortgage)
- Down payment + closing costs saved
- No plan to move in the next 5-7 years
- Your monthly payment is comfortable at 28% of gross or less
- Credit score 700+ (720+ for best rates)
Signs you’re not ready:
- Your job situation is unstable
- You don’t have an emergency fund
- You’re financing the down payment (loans from family, 0% credit cards, retirement loans)
- You’re not sure you’ll stay in the city
- Buying stretches your DTI above 40%
- Your credit score is under 680
Where Spew helps
Saving for a home down payment is a multi-year goal that requires consistent cash flow tracking. Spew shows your projected savings path, auto-tags transfers to your down payment fund, and forecasts your target date. 30-day free trial, no card required.
Or run the math right now with the rent vs buy calculator before deciding this is even the right move.
A home is a 30-year commitment. Take the extra year to be ready.