Zip lookup · CA

91789
Walnut, California.

Walnut, Los Angeles County, CA · Los Angeles-Long Beach-Anaheim, CA metro · population 40,298

What it costs per month · 91789 $5,920/mo

to buy the typical home at today's mortgage rate — +$3,083 (+109%) since Jan 2020.

What the home itself did
1 year
Up $15,839 +1%
$1,112,058$1,127,897 since Sep 2025
5 years
Up $231,832 +26%
$896,065$1,127,897 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$2,000 $4,000 $6,000 2002 2006 2010 2014 2018 2022 2026 91789 $5,920 United States $1,922
$2,000 $4,000 $6,000 2002 2010 2018 2026
  • 91789$5,920
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 15 years.

Typical home values in zip 91789 rose 1.4% over the past year — faster than the nation's +1.2%.

Asking rents in zip 91789 rose 3.1% over the past year — faster than the nation's +2.7%.

Owning the typical home in zip 91789 runs $3,877/mo more than renting one. The gap peaked at $4,245 in Jan 2025.

That is $7,767 a month against $3,890 rent: a $5,920 mortgage payment, plus $639 property tax and $1,208 insurance & upkeep.

Owning vs renting — zip 91789

The owning line is the typical home's monthly payment at that month's rate, plus property tax and insurance & upkeep; the renting line is the typical asking rent; the grey line is the mortgage payment on its own. Same homes, same months, both ways of paying for a roof.

$4,000 $6,000 $8,000 2023 2024 2025 2026 Owning all in $7,767 Renting $3,890 Mortgage only $5,920
$4,000 $6,000 $8,000 2023 2024 2025 2026
  • Owning all in$7,767
  • Renting$3,890
  • Mortgage only$5,920

Property tax · $639/mo 0.68% of value a year — the ACS 2020-2024 median bill over the median home value for Los Angeles County, CA

Insurance & upkeep · $1,208/mo insurance, maintenance and repairs together, from the BLS Consumer Expenditure Survey — the national figure for mortgaged homeowners, scaled to this market's home value. BLS publishes the three bundled and they cannot be split.

Both are priced off the same month's home value, so they rise with the market. Neither is a quote — a specific home's bill depends on its assessment, its age and its insurer.

Zillow also publishes an index for the city itself: Walnut, CA — measured over the city limits, which is a different area from this zip.

Asking rent $3,890 as of Sep 2026
+3.1%year on year
Typical home value $1,127,897 as of Sep 2026
+1.4%year on year

Asking rent — 91789

Against the Los Angeles-Long Beach-Anaheim, CA metro and the national benchmark.

$2,000 $3,000 $4,000 2023 2024 2025 2026 91789 $3,890 Los Angeles $2,929 United States $1,932
$2,000 $3,000 $4,000 2023 2024 2025 2026
  • 91789$3,890
  • Los Angeles$2,929
  • United States$1,932

Typical home value — 91789

Mid-tier homes, smoothed and seasonally adjusted.

$250,000 $500,000 $750,000 $1,000,000 2018 2020 2022 2024 2026 91789 $1,127,897 Los Angeles $950,020 United States $366,157
$250,000 $500,000 $750,000 $1,000,000 2018 2022 2026
  • 91789$1,127,897
  • Los Angeles$950,020
  • United States$366,157

Within 20 miles

Showing 30 of 130 zips in range — sorting picks from all 130.

Miles sorted ascending, activate to sort descending Zip activate to sort by Zip City activate to sort by City Population activate to sort by Population Rent activate to sort by Rent Home value activate to sort by Home value
2.7 91792 West Covina 30,629 $2,379 $798,624
3.1 91765 Diamond Bar 44,502 $3,315 $1,010,834
3.7 91791 West Covina 33,028 $2,482 $911,586
3.9 91748 Rowland Heights 42,463 $2,390 $945,912
4.3 91724 Covina 28,352 $2,896 $867,731
4.8 91744 La Puente 76,942 $2,899 $731,536
4.8 91768 Pomona 34,200 $2,158 $664,569
4.9 91723 Covina 17,733 $2,320 $794,703
5.8 91766 Pomona 69,327 $2,340 $672,314
5.9 91790 West Covina 44,710 $2,664 $825,278
6.2 92821 Brea 41,623 $2,727 $1,097,409
6.2 91722 Covina 35,099 $2,461 $753,105
6.6 91773 San Dimas 33,598 $2,761 $900,879
6.9 91745 Hacienda Heights 54,351 $3,538 $944,430
6.9 91740 Glendora 26,168 $2,536 $802,118
7.1 92823 Brea 5,846 $3,562 $1,278,216
7.6 90631 La Habra 68,309 $2,752 $931,259
7.9 91746 La Puente 28,387 — $754,307
7.9 91767 Pomona 49,152 $2,389 $680,268
8.5 91706 Baldwin Park 71,082 $2,959 $709,075
8.7 91709 Chino Hills 78,006 $3,088 $973,347
8.8 92835 Fullerton 26,005 $4,265 $1,298,594
9.0 92886 Yorba Linda 49,704 $4,487 $1,356,231
9.4 90603 Whittier 21,118 — $879,609
9.5 92870 Placentia 52,826 $2,884 $1,099,427
9.7 91763 Montclair 37,700 $2,895 $654,652
9.9 91710 Chino 78,754 $3,027 $756,530
9.9 92831 Fullerton 35,618 $2,517 $1,055,747
9.9 91732 El Monte 57,431 $2,494 $749,998
10.2 91741 Glendora 26,071 $3,607 $1,002,228

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.