ZIP Code 92831 — Fullerton, CA Home Prices (2026)

The typical home in ZIP 92831 (Fullerton, California) is worth about $1,069,000 at roughly $580 per square foot — 4% more expensive than the Fullerton median and 264% more expensive than the typical U.S. home.

$1,069,000

Typical home value

$580

Price per sq ft

#2 of 4

Fullerton ZIPs by value

+4%

vs Fullerton median

How 92831 compares

ZIP 92831 is one of the pricier ZIP codes in Fullerton: its typical home value of $1,069,000 ranks #2 of the 4 Fullerton ZIP codes we track (the citywide range runs from $900,000 in 92832 to $1,321,000 in 92835). Per square foot it costs about $580, against $625 for Fullerton as a whole, $455 for California, and $195 nationally.

Area	Typical value	$ / sq ft
ZIP 92831	$1,069,000	$580
Fullerton, CA	$1,031,500	$625
California	$698,000	$455
United States	$294,000	$195

Home value by size in 92831

Using this ZIP’s rate of about $580 per square foot. Condition, lot, and the exact street move these meaningfully — use the estimator below for a home-specific figure.

Home size	Estimated value
1,000 sq ft	$580,000
1,500 sq ft	$870,000
2,000 sq ft	$1,160,000
2,500 sq ft	$1,450,000
3,000 sq ft	$1,740,000

Salary needed to buy a home in ZIP 92831

To buy the typical $1,069,000 home in ZIP 92831 with 20% down, you need a household income of roughly $291,000 a year (about $6,790 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $346,000, because the loan is bigger and mortgage insurance kicks in.

Down payment	Cash down	Monthly payment	Income needed
5% (+PMI)	$53,500	$8,430/mo	$361,000/yr
10% (+PMI)	$106,900	$8,060/mo	$346,000/yr
20%	$213,800	$6,790/mo	$291,000/yr

Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.

What your budget buys in ZIP 92831

At about $580 per square foot, here is roughly how much home different budgets get you in ZIP 92831:

Budget	Approx. size	What that looks like locally
$500k	860 sq ft	below the local median — condos, smaller or older homes
$600k	1030 sq ft	below the local median — condos, smaller or older homes
$750k	1290 sq ft	below the local median — condos, smaller or older homes
$1.00M	1720 sq ft	around the typical home here
$1.50M	2590 sq ft	above the median — larger homes or the pricier ZIPs

Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens pre-filled with a typical 92831 home.

Estimate a specific home in 92831

The estimator below is pre-set to ZIP 92831 — pick your home’s size for an instant ballpark, then open the full calculator to adjust beds, baths, and condition.

All Fullerton ZIP codes by home value

Where 92831 sits among Fullerton’s 4 ZIP codes:

#	ZIP code	Typical value	$ / sq ft
1	92835	$1,321,000	$619
2	92831 (this page)	$1,069,000	$580
3	92833	$994,000	$630
4	92832	$900,000	$661

ZIP 92831 home prices: frequently asked

What is the average home price in ZIP code 92831? +

The typical home in ZIP 92831 (Fullerton, CA) is worth about $1,069,000 as of 2026. That is 4% more expensive than the Fullerton median of $1,031,500 and 264% more expensive than the U.S. median of $294,000.

What is the price per square foot in 92831? +

About $580 per square foot in 92831, versus $625 across Fullerton and $455 across California. At that rate a 1,500 sq ft home runs roughly $870,000 and a 2,500 sq ft home about $1,450,000.

What salary do you need to buy a house in ZIP 92831? +

For the typical $1,069,000 home in ZIP 92831, a household income of about $291,000 a year covers the payment with 20% down (a 30-year fixed at 6.5%, plus taxes and insurance, under the 28% rule). With 10% down you need roughly $346,000; with 5% down about $361,000.

Is 92831 an expensive ZIP code? +

Within Fullerton, 92831 ranks #2 of 4 ZIP codes by typical home value, which makes it one of the pricier ZIP codes in Fullerton. Nationally it is relatively expensive.

See the full Fullerton home values page, all California cities, or price per square foot by ZIP code nationwide.

Directional estimates from public market data (Realtor.com & Zillow research), not appraisals. A single ZIP contains very different homes; actual values vary and change over time.