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Diamond Bar city, CA

ZIP 91765 — Housing & Real Estate

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow AreaRemote Work Hub

Home values, rent, tenure, and housing stock

Housing & Real Estate in ZIP Code 91765

Median Home Value
$878,900
Median Rent
$2,267
Affordability Snapshot
$242,000
Est. income to buy

Household income needed for a median home under a 20% down / 6.8% illustrative mortgage model (~$5,646/mo PITI).

26%
Rent-to-Income Ratio

Below the 30% threshold — generally affordable for median earners.

8.4x
Home Price-to-Income Ratio

Well above the 3-5x guideline — challenging for first-time buyers.

32.3 yrs
Price-to-Rent Ratio

Years to break even buying vs renting at median home value and rent.

To comfortably buy a median-priced home in ZIP 91765 in Diamond Bar city, CA, a household would need roughly $242,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $5,646. That is about 131% above the local median household income ($104,737), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Housing Tenure

Mostly owner-occupied, low vacancy — stable housing market.

Heating Fuel
Housing Metrics
Owner Occupied
77.2%+18% vs US avg
x
Vacancy Rate
4.0%-62% vs US avg
x
Broadband Access
94.7%+9% vs US avg
x
4+ Bedrooms
10.0%-32% vs US avg
x
Built Pre-1939
0.5%-96% vs US avg
x
Built Post-2014
0.0%
x
Rent Burden >30%
34.1%-31% vs US avg
x
Mortgage-Free
37.8%-1% vs US avg
x
$878,900
Home Value
$2,267
Rent
1979
Year Built
2008
Moved In

Residents have lived here since ~2008 on average

Housing Structure

Census ACS structure types (single-family, multi-unit, etc.).

  • 1-unit detached71.4%
  • 1-unit attached11.5%
  • 2-9 units9.0%
  • 10+ units7.8%
  • Mobile home & other0.2%

Housing & Real Estate key statistics

Housing statistics
Housing
Median home value$878,900
Median rent$2,267
Owner-occupied77.2%
Vacant4.0%
Price-to-income8.4x
Est. income to buy$242,000