ZIP 91423 MARKET DATA · THREE MONTHS TO SEPTEMBER 2026

91423 (Los Angeles) housing market data

The median home in ZIP 91423 in Los Angeles sold for $1,499,559 in the three months to September 2026, −13.7% on a year earlier. 75 homes sold, taking a median 50 days, at 98.5% of list price on average. The Los Angeles County median was $912,957.

$1.50MMedian sale price, three months to September 2026 (−13.7% in a year)
50Median days on market
98.5%Average sale-to-list price
75Homes sold in three months (−0.7% in a year)
$701Median price per square foot
+64.3%Against the Los Angeles County median
MARKET TYPE · THREE MONTHS TO SEPTEMBER 2026Balanced market

Neither side has a clear edge: price and condition decide most sales, and well-priced homes still sell in about a month.

98.5% of list price on average · 29% sold above asking · 50 days on market · 4.3 months of supply, ZIP 91423 in Los Angeles. How we decide

91423 home prices

Among the 257 Los Angeles County ZIP codes with at least 10 sales, 91423 has the 45th highest median price and the 131st fastest sales.

How fast homes sell in 91423

Buyers and sellers in 91423

Sold above list price29.7%
Went under contract within two weeks19.3%
New listings in three months106
Homes for sale107
Months of supply4.3

91423 prices by property type

ZIP 91423 by property type, three months to September 2026 (5+ sales)
TypeMedian price1 yearDays on marketSold
Single Family$1,784,550−19.5%4454
Condo/Co-op$649,981−1.5%8416

What it costs to buy in 91423

At the median price and this week's average 30-year rate, a buyer putting 20% down pays about $9,425 a month in principal, interest and base property tax, before insurance, HOA dues and any special taxes. Lenders commonly cap housing costs at 28% of gross income, which points to a household income of about $403,937. That is 3.7 times the median household income of $109,461. The Census puts the median rent at $2,277 a month, so owning the median home costs about $7,148 a month more than renting, before tax deductions and equity.

What the median ZIP 91423 home costs each month
Median sale price$1,499,559
20% down payment$299,912
Principal and interest, 30-year fixed at 7.24%$8,176 a month
Property tax at the 1% Prop 13 base$1,250 a month
Household income needed (28% guideline)$403,937 a year
Median household income here (Census)$109,461 a year
Median gross rent here (Census)$2,277 a month

Who lives in 91423

Who lives in ZIP 91423 (Census ACS 5-year, 2024)
Population32,328
Median household income$109,461
Median home value (owners' estimate)$1,430,800
Median gross rent$2,277 a month
Homes owner-occupied37.2%
Housing units16,782

Nearby ZIP codes

Nearby ZIP codes, three months to September 2026
ZIPAreaMedian price1 yearDays on market
91367Los Angeles$1,107,425−3.0%50
90066Los Angeles$2,229,345+9.1%54
90049Los Angeles$2,755,440−3.4%61
90042Los Angeles$1,099,677+4.2%50
91344Los Angeles$1,018,201−6.8%45
91326Los Angeles$1,214,643−6.6%42
91335Los Angeles$799,765+0.7%43
91342Los Angeles$777,272−6.3%54

Every metric for 91423, month by month

ZIP 91423, rolling three-month figures, last 13 months
Three months toMedian price1 year$/sq ftSoldNew listingsDays on marketSale-to-list
September 2026$1,499,559−13.7%$701751065098.5%
August 2026$1,522,500−12.4%$771771094998.4%
July 2026$1,690,000+9.2%$784861135898.7%
June 2026$1,730,000+20.0%$774881075698.8%
May 2026$1,625,000+15.3%$761841215698.5%
April 2026$1,510,000−4.7%$753751295698.2%
March 2026$1,550,000+3.1%$754671277197.7%
February 2026$1,610,000+2.2%$70959959997.8%
January 2026$1,555,000−0.5%$76660719897.6%
December 2025$1,497,500−4.9%$66268718798.0%
November 2025$1,531,500−1.2%$68466846298.1%
October 2025$1,563,500+8.9%$693711026098.0%
September 2025$1,737,500+11.6%$745761046196.8%

Taxes and costs

Property tax, transfer tax, Mello-Roos and insurance work the same across Los Angeles County; see the county page for the rules.

COMMON QUESTIONS

91423 housing market,
answered.

What is the median home price in 91423?+

$1,499,559 for homes sold in the three months to September 2026 (Redfin), +64.3% against the Los Angeles County median.

Are home prices going up in 91423?+

The three-month median is −13.7% on a year earlier. With 75 sales in the period, a few unusual sales can move a ZIP median, so read it alongside the county trend.

How fast do homes sell in 91423?+

A median 50 days from listing to accepted offer, against 52 across Los Angeles County.

What area is ZIP 91423?+

ZIP 91423 is in Los Angeles, Los Angeles County, California.

METHOD AND SOURCES

How this data works

Redfin Data Center figures from the Redfin Data Center. ZIP figures are rolling three-month periods; Redfin uses them because single months in one ZIP are too few sales to be reliable. The area name is from Zillow's ZIP data. The compilation is ours.