Zip lookup · CA

91384
Castaic, California.

Castaic, Los Angeles County, CA · Los Angeles-Long Beach-Anaheim, CA metro · population 26,478

What it costs per month · 91384 $4,174/mo

to buy the typical home at today's mortgage rate — +$2,034 (+95%) since Jan 2020.

What the home itself did
1 year
Down $3,001 -0%
$798,229$795,228 since Sep 2025
5 years
Up $72,968 +10%
$722,260$795,228 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 $4,000 2002 2006 2010 2014 2018 2022 2026 91384 $4,174 United States $1,922
$1,000 $2,000 $3,000 $4,000 2002 2010 2018 2026
  • 91384$4,174
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 36 years.

Typical home values in zip 91384 fell 0.4% over the past year — slower than the nation's +1.2%.

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

Asking rent $3,650 as of Aug 2026
Typical home value $795,228 as of Sep 2026
-0.4%year on year

Asking rent — 91384

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

Not enough data to draw this yet.

Typical home value — 91384

Mid-tier homes, smoothed and seasonally adjusted.

$250,000 $500,000 $750,000 $1,000,000 2018 2020 2022 2024 2026 91384 $795,228 Los Angeles $950,020 United States $366,157
$250,000 $500,000 $750,000 $1,000,000 2018 2022 2026
  • 91384$795,228
  • Los Angeles$950,020
  • United States$366,157

Within 20 miles

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
7.8 91354 Valencia 33,957 $3,160 $830,491
8.1 91355 Valencia 29,123 $2,843 $776,925
10.4 91381 Stevenson Ranch 22,582 $2,994 $943,704
11.4 91350 Santa Clarita 43,973 $3,598 $803,622
13.3 91351 Canyon Country 33,155 $3,148 $704,987
13.4 93532 Lake Hughes 2,930 — $422,012
13.8 93015 Fillmore 19,191 $2,475 $692,765
14.3 93063 Simi Valley 55,066 $2,999 $828,832
14.7 91321 Newhall 31,989 $2,498 $681,156
15.2 91390 Santa Clarita 19,308 $3,925 $906,986
15.9 93040 Piru 1,799 — $581,951
16.0 91311 Chatsworth 40,898 $3,105 $926,559
17.6 91326 Porter Ranch 38,428 $3,914 $1,206,863
18.3 91344 Granada Hills 52,890 $3,339 $975,636
18.4 93065 Simi Valley 73,534 $2,716 $831,073
18.9 93021 Moorpark 37,746 $3,289 $933,763
19.1 91387 Canyon Country 46,869 $2,598 $799,502

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