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How Much House Can I Afford? — Calculate Your Home Buying Budget
Before you start house hunting, you need to know your budget. How much house you can afford depends on your income, debts, down payment, credit score, and local interest rates. This guide walks you through the calculations lenders use and helps you determine a realistic home buying budget for California's housing market.
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See What You Can Afford
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See What You Can Afford
No impact to your credit score.
The 28/36 Rule — How Lenders Calculate Affordability
Lenders use debt-to-income (DTI) ratios to determine how much you can borrow:
Front-End Ratio (28%)
Your monthly housing costs (mortgage principal, interest, taxes, insurance, HOA) should not exceed 28% of gross monthly income.
Back-End Ratio (36%)
Your total monthly debts (housing costs + car payments + student loans + credit cards + other debts) should not exceed 36% of gross monthly income.
Example — $150,000 Annual Income
Quick Affordability Estimates by Income
*Estimates assume 20% down, 7% rate, includes taxes and insurance. Your actual affordability depends on debts, credit score, and down payment.
Factors That Affect How Much House You Can Afford
Your Income
Higher income = higher borrowing capacity. Lenders verify income through pay stubs, W-2s, and tax returns. Self-employed borrowers use 2 years of tax returns.
Your Existing Debts
Car payments, student loans, credit cards, and other monthly obligations reduce your borrowing capacity. Paying off debts before buying increases your budget.
Your Down Payment
Larger down payments reduce loan amount and monthly payments. 20% down avoids PMI on conventional loans. Some programs allow 3-3.5% down.
Your Credit Score
Higher scores qualify for lower interest rates. A 1% rate difference can mean $100,000+ difference in what you can afford.
Interest Rates
Current rates significantly impact monthly payments. Even 0.5% difference changes affordability by tens of thousands.
Property Taxes & Insurance
California property taxes average 0.7-1.2% of home value. Insurance costs vary by location and coverage.
California Affordability Reality Check
California's high home prices require higher incomes. Here's what the Bay Area market looks like:
Bay Area Median Home Prices (2024)
Income Needed for Median Bay Area Home
To afford the Bay Area median (~$1.2 million) with 20% down:
Loan amount: $960,000
Monthly payment: ~$7,500 (PITI)
Required income: ~$215,000/year
How to Increase Your Home Buying Budget
Pay down debt
Reducing monthly obligations increases borrowing capacity
Improve credit score
Better rates = lower payments = higher affordability
Save larger down payment
Reduces loan amount and monthly payments
Consider less expensive areas
Expand your search radius for more affordable options
Look at condos/townhouses
Often more affordable than single-family homes
Explore assistance programs
Down payment assistance increases buying power
What Lenders Look At Beyond the Numbers
Employment stability
2+ years in same field preferred
Cash reserves
2-6 months of mortgage payments in savings
Credit history
Payment patterns, credit utilization, account diversity
Compensating factors
Strong reserves or low DTI can offset weaknesses
Property appraisal
Home must appraise at or above the purchase price
Income documentation
W-2s, tax returns, and pay stubs to verify earnings
Loan Programs for Every Need
We offer a comprehensive range of mortgage products. The right loan depends on your situation, goals, and financial profile — and we'll help you find the perfect fit.
DSCR Loans
Best for: investors qualifying by rental income.
How it works: Approval is based on property cash flow, not personal income.
Key features:
- No personal income docs
- 620+ credit, 20–25% down
- Unlimited properties
Conventional Investment Loans
Best for: strong W-2 investors.
How it works: You qualify using personal income, credit, and assets.
Key features:
- Lowest rates
- 620+ credit (700+ ideal)
- Up to 10 properties
Portfolio Loans Options
Best for: complex or large portfolios.
How it works: Lender creates a custom loan outside standard guidelines.
Key features:
- Flexible underwriting
- Finance 10+ properties
- Relationship-based
Fix & Flip (Bridge Loans)
Best for: renovate-and-sell investors.
How it works: Short-term loan for purchase and rehab, repaid at sale or refi.
Key features:
- Fast closings (7–14 days)
- Based on ARV
- Covers purchase + rehab
Cash-Out Refinance (Investors)
Best for: pulling equity to reinvest.
How it works: Refinance and extract cash from existing property value.
Key features:
- Access up to 75–80% value
- Use funds for any purpose
- DSCR or conventional options
Blanket Loans
Best for: multiple properties.
How it works: One loan covers several properties under one payment.
Key features:
- One loan, one payment
- Finance 5+ properties
- Portfolio consolidation
Short-Term Rental Loans
Best for: Airbnb/VRBO investors.
How it works: Qualify using projected or actual short-term rental income.
Key features:
- DSCR-based
- 20–25% down
- Uses STR income data
Bank Statement Loans
Best for: self-employed borrowers without traditional income docs.
How it works: You qualify using 12–24 months of bank deposits instead of tax returns.
Key features:
- No W-2s or tax returns
- Personal or business statements
- 620+ credit typical
- 10–20% down
Affordability Questions, Answered
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