Mortgage Rates in Diamond Bar, California — March 2026
Updated March 2026 | Based on Diamond Bar market data and regional lending conditions
Diamond Bar is a growing city in California with a population of 55,544. The current 30-year fixed mortgage rate in Diamond Bar is 6.67%, which is 0.02% above the national average. With a median home price of $816,000 and a 20% down payment of $163,200, homebuyers can expect a monthly principal and interest payment of approximately $4,199.
Current Mortgage Rates in Diamond Bar, CA
Below are the current average mortgage rates available in the Diamond Bar area as of March 2026. Rates vary by lender, credit score, and loan-to-value ratio. Use our free calculator above to see your personalized estimate.
| Loan Type | Rate | National Avg | Difference |
|---|---|---|---|
| 30-Year Fixed | 6.67% | 6.65% | +0.02% |
| 15-Year Fixed | 5.93% | 5.89% | +0.04% |
| 5/1 ARM | 6.2% | 6.15% | +0.05% |
| FHA | 6.46% | 6.25% | +0.21% |
| VA | 6.21% | 6.05% | +0.16% |
| Jumbo | 6.92% | 6.85% | +0.07% |
Diamond Bar Housing Market Overview
The Diamond Bar housing market is competitive with prices well above the national median. The median household income in Diamond Bar is $77,500, and the cost of living index is 155.1 (national average = 100). Based on the 28% affordability rule, you would need an income of approximately $201,214 to comfortably afford the median-priced home in Diamond Bar, which exceeds the current median household income.
Monthly Payment Breakdown for Diamond Bar
Based on the median home price of $816,000 with 20% down ($163,200), here is what you can expect to pay monthly in Diamond Bar:
15-Year vs. 30-Year Mortgage in Diamond Bar
Choosing a 15-year mortgage in Diamond Bar at 5.93% instead of a 30-year at 6.67% would save you $524,520 in total interest over the life of the loan. However, your monthly payment would be $5,484 instead of $4,199 — an increase of $1,285 per month.
Calculate Your Diamond Bar Mortgage Payment
Use our free calculator to get a personalized estimate based on your loan amount, interest rate, and term.
Open Free CalculatorFrequently Asked Questions About Mortgages in Diamond Bar
What are the current mortgage rates in Diamond Bar, CA?
As of March 2026, the average 30-year fixed mortgage rate in Diamond Bar, California is 6.67%, while the 15-year fixed rate is 5.93%. FHA loans average 6.46% and VA loans 6.21%. These rates are 0.02% above the national average of 6.65%.
How much is a monthly mortgage payment in Diamond Bar?
Based on the median home price of $816,000 with 20% down, the estimated monthly mortgage payment in Diamond Bar is $4,199 for principal and interest. Including property taxes of $496/month, the total monthly housing cost is approximately $4,695.
What income do I need to buy a home in Diamond Bar?
Using the 28% rule, you would need an annual income of approximately $201,214 to afford the median-priced home in Diamond Bar at $816,000. The median household income in Diamond Bar is $77,500. This means most households would need to either earn above the median or consider homes below $816,000.
Is Diamond Bar a good place to buy a home in 2026?
Diamond Bar has a higher cost of living than average with a cost of living index of 155.1 (national average = 100). The property tax rate in California is 0.73%, which is below the national average. Diamond Bar has a population of 55,544 and offers a balanced lifestyle.
Mortgage Rates in Other California Cities
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Last updated: March 2026. Rates are approximate averages based on regional lending data for the Diamond Bar, California area. Individual rates may vary by lender, credit score, loan amount, and other factors. Use our free calculator for a personalized estimate.