Castro Valley, CA—94546
Real Estate Data & Market Trends
Key Metrics at a Glance
Other Zip Codes in Castro Valley, CA
Home Price Trends — Castro Valley, CA
As of Oct '25, the median home price in Castro Valley, CA is $1,000,000, with a year-over-year change of -4.6%. This indicates that home prices in Castro Valley, CA are decreasing. According to Zillow, the 1-year price projection is -1.9%, suggesting a decrease housing market in the next year.
Cost per Home Type
| Home Type | Median Home Value | YoY % Change |
|---|---|---|
All Homes | $1,000,000 | -4.6% |
| Single Family | $1,028,000 | -4.1% |
| Condos | $536,000 | -9.9% |
Cost per Home Size
| Home Size | Median Home Value | YoY % Change |
|---|---|---|
1 Bed | $495,000 | -5.2% |
2 Bed | $701,000 | -6.8% |
3 Bed | $1,003,000 | -4.3% |
4 Bed | $1,253,000 | -2.9% |
| 5 Bed | $1,461,000 | -3.0% |
% of Housing Stock
Rental Trends — Castro Valley, CA
As of July '25, Rentcast reports the average rent in Castro Valley, CA is $2,880, with a year-over-year rent change of 2.5%. Per bedroom, the median rent as of July '25 in Castro Valley, CA is studios: $1,860, 1-bedrooms: $1,940, 2-bedrooms: $2,800, 3-bedrooms: $3,650, 4-bedrooms: $4,760. The most common rental property sizes in Castro Valley, CA are 2-bedroom and 3-bedroom, accounting for 50.3% and 21.1% of the rental stock.
| Type | Median Rent | Average Rent |
|---|---|---|
| Average Rent | $2,700 | $2,880 |
| Studio Rent | $1,800 | $1,860 |
| 1 Bed Rent | $1,950 | $1,940 |
| 2 Bed Rent | $2,760 | $2,800 |
| 3 Bed Rent | $3,600 | $3,650 |
| 4 Bed Rent | $4,500 | $4,760 |
% of Rental Stock
Property Listings — Castro Valley, CA
As of Oct '25, Realtor.com reports that the median days on market for a home in Castro Valley, CA is 35. This is a increase of 33.0% from last year, suggesting that homes are sitting on the market longer than last year. The percentage of listed homes with a reduced price is 13.0%, representing a small inventory and little supply pressure on home prices.
| Metric | Zip Code Average | Year over Year % Change |
|---|---|---|
Median Listing Price | $1,010,000 | -2.0% |
Listing Count | 91 | 24.0% |
| Listings as % of Homes | 0.2% | 24.0% |
Days on Market | 35 | 33.0% |
Demographics — Castro Valley, CA
As of the latest ACS Survey released in 2023, Castro Valley, CA has a population of 45,800, which has increased by 3.6% over the past 5 years. Castro Valley, CA is a moderately popular place for families, as children make up 21.1% of the population. The area has a moderately educated workforce, with 41.4% of adult residents holding a bachelor’s degree or higher. There are some residents working remotely, with 18.9% reporting working from home.
| Metric | Latest Census | YoY % Change |
|---|---|---|
Population | 45,800 | 3.6% |
% Under 18 | 21.1% | -1.9% |
% Seniors | 18.2% | 9.0% |
% WFH | 18.9% | 170.0% |
% w/ College Degree | 41.4% | 1.0% |
As of the latest ACS Survey released in 2023, Castro Valley, CA is a predominantly white area, with 35.8% of the population identifying as white. The white population has shrunk by 28.7% in the last 5 years. The second most common race or ethnicity in Castro Valley, CA is asian, making up 31.6% of the population. Foreign-born residents account for 27.6% of the population in Castro Valley, CA, and this percentage has increased by 19.0% as of the ACS Survey 5 years prior, suggesting more immigrants are calling the area home.
Race and Ethnicity
| Metric | Latest Census | 5-Year % Change |
|---|---|---|
% White | 35.8% | -28.7% |
% Black | 8.2% | 34.4% |
% Hispanic | 20.2% | 23.2% |
% Asian | 31.6% | 45.0% |
% Foreign Born | 27.6% | 19.0% |
Mortgage and Risk — Castro Valley, CA
According to HUD data as of 2023, there were 475 mortgage originations in Castro Valley, CA, of which 94.0% of loans were conventional mortgages. The average loan-to-value was 50.0%, with 5.0% above 90% LTV (normal). This implies small mortgage risk in Castro Valley, CA. Investor activity is low, as 2.0% of loans were by investors. 9.0% of loans were cash-out refinances, suggesting few homeowners are tapping equity.
Mortgages
| Metric | Zip Code Average |
|---|---|
Total Loan Originations | 475 |
% Conventional Loans | 94.0% |
% Government Loans | 6.0% |
% Investor Loans | 2.0% |
% Second Loans | 0.0% |
% Cash Out Refinance | 9.0% |
Loan Activity
Rentals and Section 8 — Castro Valley, CA
As of 2024, the percent of homes in Castro Valley, CA under the Section 8 program is 4.5%. This is considered low, suggesting that the neighborhood is sparsely composed of Section 8 homes. Section 8 opportunity is good when HUD pays more than market rent. 1-bedroom units appear to be good home sizes to consider for Section 8 housing in Castro Valley, CA, because HUD payments exceed market rent, while 2-bedroom and 3-bedroom and 4-bedroom units do not.
Section 8 Market Size
Total Units under HUD | 244 |
Total Units Section 8 | 244 |
% Rentals under Section 8 | 4.5% |
% Occupied Section 8 | 91.0% |
Section 8 Opportunity
| Home Size | HUD Premium | Market Rent | Max HUD Rent |
|---|---|---|---|
| 1 Bedroom | $150 | $1,950 | $2,100 |
| 2 Bedroom | -$200 | $2,760 | $2,560 |
| 3 Bedroom | -$320 | $3,600 | $3,280 |
| 4 Bedroom | -$610 | $4,500 | $3,890 |
Affordability — Castro Valley, CA
Home Price to Income Ratio
| Metric | Zip Code Average |
|---|---|
| Home Price to Income Ratio | 7.7 |
| Median Home Price | $1,000,000 |
| Median Household Income | $126,000 |