ZIP 94403 MARKET DATA · THREE MONTHS TO SEPTEMBER 2026

94403 (San Mateo) housing market data

The median home in ZIP 94403 in San Mateo sold for $1,749,486 in the three months to September 2026, −4.8% on a year earlier. 75 homes sold, taking a median 13 days, at 107.2% of list price on average. The San Mateo County median was $1,727,384.

$1.75MMedian sale price, three months to September 2026 (−4.8% in a year)
13Median days on market
107.2%Average sale-to-list price
75Homes sold in three months (−19.7% in a year)
$1,193Median price per square foot
+1.3%Against the San Mateo County median
MARKET TYPE · THREE MONTHS TO SEPTEMBER 2026Strong seller's market

Homes sell fast and usually above asking, often with several offers. Buyers should expect competition; sellers should still price to the market.

107.2% of list price on average · 67% sold above asking · 13 days on market · 1.6 months of supply, ZIP 94403 in San Mateo. How we decide

94403 home prices

Among the 23 San Mateo County ZIP codes with at least 10 sales, 94403 has the 11th highest median price and the 6th fastest sales.

How fast homes sell in 94403

Buyers and sellers in 94403

Sold above list price67.5%
Went under contract within two weeks60.4%
New listings in three months95
Homes for sale39
Months of supply1.6

94403 prices by property type

ZIP 94403 by property type, three months to September 2026 (5+ sales)
TypeMedian price1 yearDays on marketSold
Single Family$1,904,520−2.3%1258
Condo/Co-op$772,477−6.1%8111
Townhouse$1,125,002−24.8%136

What it costs to buy in 94403

At the median price and this week's average 30-year rate, a buyer putting 20% down pays about $10,996 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 $471,260. That is 2.7 times the median household income of $174,917. The Census puts the median rent at $3,263 a month, so owning the median home costs about $7,733 a month more than renting, before tax deductions and equity.

What the median ZIP 94403 home costs each month
Median sale price$1,749,486
20% down payment$349,897
Principal and interest, 30-year fixed at 7.24%$9,538 a month
Property tax at the 1% Prop 13 base$1,458 a month
Household income needed (28% guideline)$471,260 a year
Median household income here (Census)$174,917 a year
Median gross rent here (Census)$3,263 a month

Who lives in 94403

Who lives in ZIP 94403 (Census ACS 5-year, 2024)
Population43,276
Median household income$174,917
Median home value (owners' estimate)$1,746,300
Median gross rent$3,263 a month
Homes owner-occupied52.5%
Housing units17,799

Nearby ZIP codes

Nearby ZIP codes, three months to September 2026
ZIPAreaMedian price1 yearDays on market
94402San Mateo$2,659,219+12.5%12
94401San Mateo$1,162,658+13.4%25
94404Foster City$1,249,633−14.1%27
94303East Palo Alto$1,537,048−34.7%15
94080South San Francisco$1,232,638+7.2%16
94070San Carlos$2,489,269+11.1%10
94066San Bruno$1,207,145−5.5%15
94065Redwood City$1,549,545+10.6%19

Every metric for 94403, month by month

ZIP 94403, rolling three-month figures, last 13 months
Three months toMedian price1 year$/sq ftSoldNew listingsDays on marketSale-to-list
September 2026$1,749,486−4.8%$1,193759513107.2%
August 2026$1,760,000−5.5%$1,252808014108.2%
July 2026$1,860,000−1.6%$1,2071008913107.3%
June 2026$2,001,500+13.1%$1,17511010612107.9%
May 2026$2,010,000+13.6%$1,1559513111107.9%
April 2026$1,870,000+5.3%$1,1507512110108.9%
March 2026$1,949,500+5.4%$1,1234610211108.2%
February 2026$1,520,000−18.9%$1,025525914105.7%
January 2026$1,625,000−9.7%$974644521103.2%
December 2025$1,864,500+3.6%$1,036955116104.4%
November 2025$1,900,000+5.0%$1,1141009213105.4%
October 2025$1,990,000+9.9%$1,12510010713106.1%
September 2025$1,837,500−0.7%$1,1429413013104.9%

Taxes and costs

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

COMMON QUESTIONS

94403 housing market,
answered.

What is the median home price in 94403?+

$1,749,486 for homes sold in the three months to September 2026 (Redfin), +1.3% against the San Mateo County median.

Are home prices going up in 94403?+

The three-month median is −4.8% 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 94403?+

A median 13 days from listing to accepted offer, against 14 across San Mateo County.

What area is ZIP 94403?+

ZIP 94403 is in San Mateo, San Mateo 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.