Zip lookup · CA

94509
Antioch, California.

Antioch, Contra Costa County, CA · San Francisco-Oakland-Berkeley, CA metro · population 70,090

What it costs per month · 94509 $2,815/mo

to buy the typical home at today's mortgage rate — +$1,218 (+76%) since Jan 2020.

What the home itself did
1 year
Down $5,428 -1%
$541,757$536,330 since Sep 2025
5 years
Down $19,032 -3%
$555,362$536,330 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.

$1,000 $2,000 $3,000 2002 2006 2010 2014 2018 2022 2026 94509 $2,815 United States $1,922
$1,000 $2,000 $3,000 2002 2010 2018 2026
  • 94509$2,815
  • United States$1,922

At the last five years' pace, prices here aren't rising.

Typical home values in zip 94509 fell 1.0% over the past year — slower than the nation's +1.2%.

Asking rents in zip 94509 rose 0.8% over the past year — slower than the nation's +2.7%.

Owning the typical home in zip 94509 runs $1,410/mo more than renting one. The gap peaked at $1,963 in Oct 2022.

That is $3,758 a month against $2,348 rent: a $2,815 mortgage payment, plus $369 property tax and $574 insurance & upkeep.

Owning vs renting — zip 94509

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.

$2,000 $3,000 $4,000 2018 2020 2022 2024 2026 Owning all in $3,758 Renting $2,348 Mortgage only $2,815
$2,000 $3,000 $4,000 2018 2022 2026
  • Owning all in$3,758
  • Renting$2,348
  • Mortgage only$2,815

Property tax · $369/mo 0.83% of value a year — the ACS 2020-2024 median bill over the median home value for Contra Costa County, CA

Insurance & upkeep · $574/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: Antioch, CA — measured over the city limits, which is a different area from this zip.

Asking rent $2,348 as of Sep 2026
+0.8%year on year
Typical home value $536,330 as of Sep 2026
-1.0%year on year

Asking rent — 94509

Against the San Francisco-Oakland-Berkeley, CA metro and the national benchmark.

$1,500 $2,000 $2,500 $3,000 $3,500 2018 2020 2022 2024 2026 94509 $2,348 San Francisco $3,445 United States $1,932
$1,500 $2,000 $2,500 $3,000 $3,500 2018 2022 2026
  • 94509$2,348
  • San Francisco$3,445
  • United States$1,932

Typical home value — 94509

Mid-tier homes, smoothed and seasonally adjusted.

$250,000 $500,000 $750,000 $1,000,000 $1,250,000 2018 2020 2022 2024 2026 94509 $536,330 San Francisco $1,120,379 United States $366,157
$250,000 $500,000 $750,000 $1,000,000 $1,250,000 2018 2022 2026
  • 94509$536,330
  • San Francisco$1,120,379
  • United States$366,157

Within 20 miles

Showing 30 of 35 zips in range — sorting picks from all 35.

10 mi 20 mi 50 mi
Miles Zip City Population Rent Home value
3.2 94531 Antioch 46,387 $3,453 $658,419
6.4 94565 Pittsburg 100,488 $2,429 $559,194
6.7 94561 Oakley 46,368 $3,294 $653,759
7.8 94517 Clayton 12,316 $4,985 $1,027,282
8.4 94513 Brentwood 69,755 $3,420 $781,518
8.9 94521 Concord 41,909 $2,912 $772,049
9.8 94511 Bethel Island 1,864 — $626,543
10.8 94519 Concord 19,058 $3,280 $709,070
11.5 94598 Walnut Creek 27,206 $3,266 $1,369,644
11.7 94518 Concord 27,345 $2,684 $825,058
11.9 94571 Rio Vista 10,974 $2,450 $451,356
12.0 94520 Concord 37,381 $2,401 $600,650
13.0 94528 Diablo 1,049 — $3,107,080
13.6 94506 Danville 27,055 $4,903 $1,982,682
14.1 94596 Walnut Creek 23,417 $2,933 $1,064,425
14.2 94507 Alamo 14,586 $7,150 $2,532,469
14.5 94523 Pleasant Hill 34,592 $3,043 $968,536
14.9 94514 Byron 1,953 — $839,627
14.9 94597 Walnut Creek 23,129 $2,711 $972,248
15.1 94505 Discovery Bay 14,970 $3,570 $773,799
15.4 94585 Suisun City 29,357 $2,759 $531,013
15.4 94526 Danville 32,584 $3,797 $1,711,410
15.9 95641 Isleton 2,214 — $398,674
16.2 94595 Walnut Creek 16,988 $3,560 $665,851
16.4 95219 Stockton 31,713 $2,136 $540,731
16.4 94551 Livermore 37,885 $3,146 $963,197
16.7 94582 San Ramon 47,424 $3,402 $1,664,501
17.8 94549 Lafayette 28,420 $3,372 $1,910,595
17.9 94588 Pleasanton 34,328 $3,008 $1,351,989
18.0 94583 San Ramon 39,583 $2,930 $1,331,929

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