ZIP 94598 MARKET DATA · THREE MONTHS TO SEPTEMBER 2026

94598 (Walnut Creek) housing market data

The median home in ZIP 94598 in Walnut Creek sold for $1,399,589 in the three months to September 2026, −1.1% on a year earlier. 68 homes sold, taking a median 16 days, at 102.0% of list price on average. The Contra Costa County median was $778,258.

$1.40MMedian sale price, three months to September 2026 (−1.1% in a year)
16Median days on market
102.0%Average sale-to-list price
68Homes sold in three months (−11.3% in a year)
$649Median price per square foot
+79.8%Against the Contra Costa County median
MARKET TYPE · THREE MONTHS TO SEPTEMBER 2026Seller's market

Most homes sell near or above asking within a month, so buyers have little room to negotiate and sellers can hold firm on price.

102.0% of list price on average · 53% sold above asking · 16 days on market · 2.6 months of supply, ZIP 94598 in Walnut Creek. How we decide

94598 home prices

Among the 34 Contra Costa County ZIP codes with at least 10 sales, 94598 has the 9th highest median price and the 3rd fastest sales.

How fast homes sell in 94598

Buyers and sellers in 94598

Sold above list price53.7%
Went under contract within two weeks49.5%
New listings in three months97
Homes for sale59
Months of supply2.6

94598 prices by property type

ZIP 94598 by property type, three months to September 2026 (5+ sales)
TypeMedian price1 yearDays on marketSold
Single Family$1,593,098+4.5%1547
Condo/Co-op$461,236+7.3%236
Townhouse$750,001−15.9%1616

What it costs to buy in 94598

At the median price and this week's average 30-year rate, a buyer putting 20% down pays about $8,797 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 $377,008. That is 2.0 times the median household income of $186,225. The Census puts the median rent at $2,940 a month, so owning the median home costs about $5,857 a month more than renting, before tax deductions and equity.

What the median ZIP 94598 home costs each month
Median sale price$1,399,589
20% down payment$279,918
Principal and interest, 30-year fixed at 7.24%$7,631 a month
Property tax at the 1% Prop 13 base$1,166 a month
Household income needed (28% guideline)$377,008 a year
Median household income here (Census)$186,225 a year
Median gross rent here (Census)$2,940 a month

Who lives in 94598

Who lives in ZIP 94598 (Census ACS 5-year, 2024)
Population27,206
Median household income$186,225
Median home value (owners' estimate)$1,339,900
Median gross rent$2,940 a month
Homes owner-occupied76.3%
Housing units10,928

Nearby ZIP codes

Nearby ZIP codes, three months to September 2026
ZIPAreaMedian price1 yearDays on market
94595Walnut Creek$629,315−1.7%49
94597Walnut Creek$1,136,479+26.8%24
94596Walnut Creek$994,708−13.6%36
94583San Ramon$1,399,589+3.0%29
94582San Ramon$1,668,260+1.1%29
94572Rodeo$711,791+12.5%29
94565Pittsburg$574,831+2.1%27
94564Pinole$719,789+7.4%21

Every metric for 94598, month by month

ZIP 94598, rolling three-month figures, last 13 months
Three months toMedian price1 year$/sq ftSoldNew listingsDays on marketSale-to-list
September 2026$1,399,589−1.1%$649689716102.0%
August 2026$1,425,000−1.7%$665719118100.6%
July 2026$1,525,000+2.0%$692888616101.4%
June 2026$1,500,000−1.5%$6908610815101.5%
May 2026$1,489,000+5.9%$6868311415102.8%
April 2026$1,279,000+6.6%$6486310915102.1%
March 2026$1,174,500+0.8%$615578417101.6%
February 2026$1,200,000−2.0%$606575327100.3%
January 2026$1,258,000−4.7%$631554427100.3%
December 2025$1,306,000−1.1%$655664423100.7%
November 2025$1,332,000+0.5%$678627317100.5%
October 2025$1,324,000+3.1%$65969822099.4%
September 2025$1,415,000+5.8%$68377822299.3%

Taxes and costs

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

COMMON QUESTIONS

94598 housing market,
answered.

What is the median home price in 94598?+

$1,399,589 for homes sold in the three months to September 2026 (Redfin), +79.8% against the Contra Costa County median.

Are home prices going up in 94598?+

The three-month median is −1.1% on a year earlier. With 68 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 94598?+

A median 16 days from listing to accepted offer, against 28 across Contra Costa County.

What area is ZIP 94598?+

ZIP 94598 is in Walnut Creek, Contra Costa 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.