94546 (Castro Valley) housing market data
The median home in ZIP 94546 in Castro Valley sold for $1,099,177 in the three months to September 2026, +7.6% on a year earlier. 75 homes sold, taking a median 18 days, at 103.4% of list price on average. The Alameda County median was $1,059,130.
Homes sell fast and usually above asking, often with several offers. Buyers should expect competition; sellers should still price to the market.
103.4% of list price on average · 59% sold above asking · 18 days on market · 2.2 months of supply, ZIP 94546 in Castro Valley. How we decide
94546 home prices
Among the 45 Alameda County ZIP codes with at least 10 sales, 94546 has the 27th highest median price and the 19th fastest sales.
How fast homes sell in 94546
Buyers and sellers in 94546
| Sold above list price | 59.4% |
|---|---|
| Went under contract within two weeks | 38.4% |
| New listings in three months | 92 |
| Homes for sale | 53 |
| Months of supply | 2.2 |
94546 prices by property type
| Type | Median price | 1 year | Days on market | Sold |
|---|---|---|---|---|
| Single Family | $1,149,710 | +6.7% | 15 | 61 |
| Condo/Co-op | $469,986 | +1.6% | 46 | 7 |
What it costs to buy in 94546
At the median price and this week's average 30-year rate, a buyer putting 20% down pays about $6,909 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 $296,086. That is 2.3 times the median household income of $128,385. The Census puts the median rent at $2,539 a month, so owning the median home costs about $4,370 a month more than renting, before tax deductions and equity.
| Median sale price | $1,099,177 |
|---|---|
| 20% down payment | $219,835 |
| Principal and interest, 30-year fixed at 7.24% | $5,993 a month |
| Property tax at the 1% Prop 13 base | $916 a month |
| Household income needed (28% guideline) | $296,086 a year |
| Median household income here (Census) | $128,385 a year |
| Median gross rent here (Census) | $2,539 a month |
Who lives in 94546
| Population | 44,855 |
|---|---|
| Median household income | $128,385 |
| Median home value (owners' estimate) | $1,043,500 |
| Median gross rent | $2,539 a month |
| Homes owner-occupied | 66.3% |
| Housing units | 16,233 |
Nearby ZIP codes
| ZIP | Area | Median price | 1 year | Days on market |
|---|---|---|---|---|
| 94552 | Castro Valley | $1,551,544 | +7.8% | 15 |
| 94545 | Hayward | $844,752 | +1.8% | 24 |
| 94544 | Hayward | $829,756 | −5.7% | 17 |
| 94550 | Livermore | $1,264,628 | +2.8% | 16 |
| 94542 | Hayward | $1,449,574 | +10.0% | 27 |
| 94551 | Livermore | $919,730 | −8.0% | 26 |
| 94541 | Hayward | $809,762 | +1.5% | 19 |
| 94539 | Fremont | $2,139,371 | +5.4% | 15 |
Every metric for 94546, month by month
| Three months to | Median price | 1 year | $/sq ft | Sold | New listings | Days on market | Sale-to-list |
|---|---|---|---|---|---|---|---|
| September 2026 | $1,099,177 | +7.6% | $648 | 75 | 92 | 18 | 103.4% |
| August 2026 | $1,100,000 | +9.7% | $658 | 82 | 96 | 15 | 104.0% |
| July 2026 | $1,070,000 | +6.5% | $661 | 97 | 106 | 14 | 103.6% |
| June 2026 | $1,010,000 | −7.5% | $681 | 101 | 112 | 13 | 105.1% |
| May 2026 | $1,010,000 | −12.2% | $662 | 97 | 115 | 12 | 104.6% |
| April 2026 | $1,005,500 | −17.9% | $699 | 80 | 110 | 12 | 104.8% |
| March 2026 | $1,060,000 | −7.8% | $642 | 62 | 91 | 13 | 102.9% |
| February 2026 | $1,072,500 | −0.7% | $661 | 56 | 59 | 18 | 103.9% |
| January 2026 | $1,072,500 | +2.1% | $661 | 62 | 45 | 20 | 103.5% |
| December 2025 | $1,070,000 | −1.4% | $689 | 90 | 60 | 20 | 102.7% |
| November 2025 | $1,075,000 | −2.3% | $676 | 112 | 91 | 24 | 100.9% |
| October 2025 | $1,075,000 | −2.3% | $672 | 113 | 103 | 27 | 100.0% |
| September 2025 | $1,021,534 | −4.1% | $662 | 119 | 108 | 29 | 99.3% |
Taxes and costs
Property tax, transfer tax, Mello-Roos and insurance work the same across Alameda County; see the county page for the rules.
94546 housing market,
answered.
What is the median home price in 94546?+
$1,099,177 for homes sold in the three months to September 2026 (Redfin), +3.8% against the Alameda County median.
Are home prices going up in 94546?+
The three-month median is +7.6% 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 94546?+
A median 18 days from listing to accepted offer, against 18 across Alameda County.
What area is ZIP 94546?+
ZIP 94546 is in Castro Valley, Alameda County, California.
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.