Buying a home in California is expensive. But that doesn't mean you can't afford one.
You just need to know the math lenders use — and the real numbers you'll actually qualify for.
Better Offers Inc a California mortgage broker with 15 years of experience (CA DRE #01212512). Here's the same process we use with every buyer who sits down with us.
The Quick Formula: 3x to 4x Your Income
You can typically afford a home that costs 3 to 4 times your gross annual income.
Make $100,000/year? You're looking at homes in the $300,000 to $400,000 range. In California, that might get you a condo in some markets or a starter home in the Central Valley.
But this is just a starting point. The real calculation goes deeper.
What Lenders Actually Look At: DTI Ratio
Lenders don't care what you think you can afford. They care about your debt-to-income ratio (DTI).
DTI = (Total Monthly Debt Payments) / (Gross Monthly Income)
Most conforming loans max out at a 43% DTI, though some programs allow up to 50% with strong credit and reserves.
Here's what counts as "debt":
- Your future mortgage payment (principal, interest, taxes, insurance, HOA)
- Car payments
- Student loans
- Credit card minimum payments
- Personal loans
What doesn't count: utilities, groceries, or subscriptions.
Broker's Tip: If your DTI is above 43%, pay down debt before you shop for a mortgage. Even $200/month in student loan payments can cost you $40,000+ in buying power.
Deep dive on DTI ratios and how they affect your loan
Real California Examples
Let's run actual numbers at current 2026 rates (around 6.5% for a 30-year fixed).
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CA DRE #01212512 | Free, no-obligation quote
$100K Income, No Debt
- Max DTI (43%): $3,583/month
- Property tax + insurance + HOA: ~$800/month
- Available for P&I: $2,783/month
- Home price: ~$450,000
$150K Income, $600/Month in Debt
- Max DTI (43%): $5,375/month
- Minus existing debt: $600/month
- Property tax + insurance + HOA: ~$1,200/month
- Available for P&I: $3,575/month
- Home price: ~$575,000
$200K Income, Clean Credit
- Max DTI (43%): $7,167/month
- Property tax + insurance + HOA: ~$1,600/month
- Available for P&I: $5,567/month
- Home price: ~$900,000
Notice the pattern? Your existing debt matters a lot.
Down Payment Requirements
You also need cash. Here's what different loan types require:
| Loan Type | Min Down Payment | On a $500K Home |
|---|---|---|
| Conventional | 3% (first-time) | $15,000 |
| FHA | 3.5% | $17,500 |
| VA | 0% | $0 |
| Jumbo | 10-20% | $50,000-$100,000 |
Don't forget closing costs (2-5% of purchase price). On a $500,000 home, that's another $10,000-$25,000.
Full breakdown of California closing costs
California-Specific Factors
Property Taxes: Prop 13 caps increases at 2%/year, but your initial tax is based on purchase price. Expect ~1.25% of the home's value annually.
High Prices: The median home price tops $800,000 in many coastal markets. Even six-figure earners need a strategy.
Down Payment Assistance: Programs like CalHFA MyHome and Dream For All can provide 3.5% to 20% help. See all California DPA programs
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Want to Boost Your Buying Power?
If the numbers above aren't where you need them, there's plenty you can do. We wrote a full guide on how to increase your mortgage buying power in California — covering credit score strategies, co-borrowers, loan type comparisons, and income requirements at every price point.
Get Your Real Number
Online calculators are helpful, but they don't know your full financial picture. A pre-approval tells you exactly what you qualify for.
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Better Offers Inc | CA DRE #01212512
Serving California homebuyers since 2011