ZIP 94587 MARKET DATA · THREE MONTHS TO SEPTEMBER 2026

94587 (Union City) housing market data

The median home in ZIP 94587 in Union City sold for $1,217,142 in the three months to September 2026, +2.7% on a year earlier. 80 homes sold, taking a median 25 days, at 100.1% of list price on average. The Alameda County median was $1,059,130.

$1.22MMedian sale price, three months to September 2026 (+2.7% in a year)
25Median days on market
100.1%Average sale-to-list price
80Homes sold in three months (−4.2% in a year)
$700Median price per square foot
+14.9%Against the Alameda 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.

100.1% of list price on average · 42% sold above asking · 25 days on market · 2.4 months of supply, ZIP 94587 in Union City. How we decide

94587 home prices

Among the 45 Alameda County ZIP codes with at least 10 sales, 94587 has the 18th highest median price and the 30th fastest sales.

How fast homes sell in 94587

Buyers and sellers in 94587

Sold above list price42.3%
Went under contract within two weeks35.2%
New listings in three months100
Homes for sale63
Months of supply2.4

94587 prices by property type

ZIP 94587 by property type, three months to September 2026 (5+ sales)
TypeMedian price1 yearDays on marketSold
Single Family$1,404,646+7.2%2159
Condo/Co-op$494,985−3.9%277
Townhouse$730,001−11.0%2711

What it costs to buy in 94587

At the median price and this week's average 30-year rate, a buyer putting 20% down pays about $7,650 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 $327,863. That is 2.5 times the median household income of $133,715. The Census puts the median rent at $2,713 a month, so owning the median home costs about $4,937 a month more than renting, before tax deductions and equity.

What the median ZIP 94587 home costs each month
Median sale price$1,217,142
20% down payment$243,428
Principal and interest, 30-year fixed at 7.24%$6,636 a month
Property tax at the 1% Prop 13 base$1,014 a month
Household income needed (28% guideline)$327,863 a year
Median household income here (Census)$133,715 a year
Median gross rent here (Census)$2,713 a month

Who lives in 94587

Who lives in ZIP 94587 (Census ACS 5-year, 2024)
Population67,464
Median household income$133,715
Median home value (owners' estimate)$1,104,900
Median gross rent$2,713 a month
Homes owner-occupied64.7%
Housing units21,901

Nearby ZIP codes

Nearby ZIP codes, three months to September 2026
ZIPAreaMedian price1 yearDays on market
94588Pleasanton$1,444,576+3.2%35
94580San Lorenzo$828,756−1.3%14
94579San Leandro$879,742−0.0%11
94578San Leandro$837,754+13.1%26
94577San Leandro$809,762−3.4%18
94601Oakland$569,833−0.0%34
94602Oakland$979,712−2.8%16
94603Oakland$524,846+3.5%22

Every metric for 94587, month by month

ZIP 94587, rolling three-month figures, last 13 months
Three months toMedian price1 year$/sq ftSoldNew listingsDays on marketSale-to-list
September 2026$1,217,142+2.7%$7008010025100.1%
August 2026$1,260,000+9.3%$729959521100.5%
July 2026$1,300,000+4.1%$75810111619101.7%
June 2026$1,317,500−4.2%$76710213218102.2%
May 2026$1,360,000−4.6%$7719114415103.2%
April 2026$1,360,000−6.8%$7767714414103.8%
March 2026$1,350,000−4.5%$7756412715104.7%
February 2026$1,300,000−7.1%$776599014104.1%
January 2026$1,339,000−4.4%$769576620103.0%
December 2025$1,302,500−7.6%$773785822102.2%
November 2025$1,310,000−6.6%$777778429101.9%
October 2025$1,280,000−5.2%$767898328101.1%
September 2025$1,185,000−13.8%$749839726100.2%

Taxes and costs

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

COMMON QUESTIONS

94587 housing market,
answered.

What is the median home price in 94587?+

$1,217,142 for homes sold in the three months to September 2026 (Redfin), +14.9% against the Alameda County median.

Are home prices going up in 94587?+

The three-month median is +2.7% on a year earlier. With 80 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 94587?+

A median 25 days from listing to accepted offer, against 18 across Alameda County.

What area is ZIP 94587?+

ZIP 94587 is in Union City, Alameda 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.