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Walnut city, CA

ZIP 91789 — 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 91789

Median Home Value
$936,800
Median Rent
$2,680
Affordability Snapshot
$258,000
Est. income to buy

Household income needed for a median home under a 20% down / 6.8% illustrative mortgage model (~$6,018/mo PITI).

26%
Rent-to-Income Ratio

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

7.5x
Home Price-to-Income Ratio

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

29.1 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 91789 in Walnut city, CA, a household would need roughly $258,000 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 $6,018. That is about 105% above the local median household income ($125,742), 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

Owner-occupied majority; balanced tenure mix.

Heating Fuel
Housing Metrics
Owner Occupied
82.4%+26% vs US avg
x
Vacancy Rate
5.7%-45% vs US avg
x
Broadband Access
95.7%+10% vs US avg
x
4+ Bedrooms
12.5%-15% vs US avg
x
Built Pre-1939
0.3%-98% vs US avg
x
Built Post-2014
0.1%-99% vs US avg
x
Rent Burden >30%
25.4%-49% vs US avg
x
Mortgage-Free
39.9%+4% vs US avg
x
$936,800
Home Value
$2,680
Rent
1982
Year Built
2006
Moved In

Residents have lived here since ~2006 on average

Housing Structure

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

  • 1-unit detached85.7%
  • 1-unit attached5.1%
  • 2-9 units2.8%
  • 10+ units2.5%
  • Mobile home & other3.9%

Housing & Real Estate key statistics

Housing statistics
Housing
Median home value$936,800
Median rent$2,680
Owner-occupied82.4%
Vacant5.7%
Price-to-income7.5x
Est. income to buy$258,000