Jumbo Loan Calculator

Adjust price, down payment, and rate to see your conforming / high-balance / jumbo zone, monthly PITI, income needed, and total cash at close — updated instantly.

Jumbo AffordabilityHigh-Balance
$10,059
Monthly PITI
$281k
Income Needed (43% DTI)
$378k
Cash at Close
High-balance conforming — GSE-backed but at county limit. Slight rate premium.
Conforming crossover: Add 24.48% more down to reach conforming — saves $2,082/yr in interest.
🏦4-month reserves required for high-balance loans — $40,234 at current payment.
Adjust Scenario
Purchase Price$1,500,000
$500k$5M
Down Payment20% ($300,000)
10%50%
Rate Adjustment+0.00% → 7.40%
−1%+1%
County / ZIP (California)
Los angeles County — conforming limit $1,249,125
Monthly Breakdown
Principal & Interest$8,309
Property Tax (1.10%)$1,375
Homeowner's Insurance$375
Total Monthly PITI$10,059
Annual Income Needed by DTI
36% DTI (conservative)$335,000
43% DTI (standard)$281,000
50% DTI (stretch)$241,000
Loan Summary
Loan Amount$1,200,000
LTV80.00%
Effective Rate7.40%
Est. Total Interest (30yr)$1,791,081
Down Payment$300,000
Est. Closing Costs (2.5%)$37,500
Total Cash Needed$377,734
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Jumbo Loan Calculator 2026 — HomeRates.ai | HomeRates.ai