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Castro Valley, CA
Full City Profile · California · San Mateo County County
3.2
/5.0
B
Good
65,389
Population
3,881/sq mi density
$138,069
Median Income
$58,843 per capita
$1,058,200
Home Value
$1,102,700 Zillow
$2,499
Median Rent
34.1% income on rent
60°F
Avg Temperature
330 sunny days/yr
395
Violent Crime/100K
3,178 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$138,069 median income, 2.4% unemployment
C
Affordability
2.3 / 5.0
$1,058,200 home value, $2,499/mo rent
F
Safety
1.0 / 5.0
395 violent crimes/100K (4% above avg)
A+
Education
4.5 / 5.0
43.9% bachelor's degree or higher
Housing Overview
Median Home Value
$1,058,200
275% above
US avg: $281,900
Median Rent
$2,499/mo
115% above
US avg: $1,163/mo
Homeownership Rate
71.5%
9% above US avg (65.4%)
Total Housing Units
22,885
Median year built: 1966
Home Value by Source
Census Median
$1,058,200
Zillow (ZHVI)
$1,102,700
Median Sale Price
$1,125,000
Median List Price
$1,049,000
Census ACS, Zillow ZHVI, Redfin median sale price
Ownership vs. Renting
71.5%
Owner-Occupied
28.5%
Renter-Occupied
US avg: 65.4% owner-occupied
Fair Market Rents (HUD FY2026)
Studio
$1,513/mo
1 Bedroom
$1,647/mo
2 Bedroom
$2,053/mo
3 Bedroom
$2,752/mo
4 Bedroom
$3,165/mo
Census median rent:
$2,499/mo
· Zillow rent:
$2,686/mo
Market Indicators (Redfin)
Median Days on Market
14 days
Sale-to-List Ratio
1.0%
Buyers market
Homes Sold
22
Price Drops
11.9%
of listings with price reduction
Price Per Sq Ft
$712
Active Inventory
42
homes for sale
Affordability & Housing Stock
Rent Burden
34.1%
of renters spending 30%+ of income on housing
10% above US avg (31.0%)
Median Year Built
1966
Average age of housing stock: 60 years
Homeownership Rate
71.5%
Complete Housing Data
Home Values
| Census Median Value | $1,058,200 |
| Zillow Home Value (ZHVI) | $1,102,700 |
| Median Sale Price | $1,125,000 |
| Median List Price | $1,049,000 |
| Price Per Sq Ft | $712 |
Rent
| Census Median Rent | $2,499 |
| Zillow Rent (ZORI) | $2,686 |
| FMR Studio | $1,513 |
| FMR 1-Bedroom | $1,647 |
| FMR 2-Bedroom | $2,053 |
| FMR 3-Bedroom | $2,752 |
| FMR 4-Bedroom | $3,165 |
Market
| Days on Market | 14 |
| Sale-to-List Ratio | 1.0% |
| Price Drops | 11.9% |
| Homes Sold | 22 |
| Active Inventory | 42 |
| Price Per Sq Ft | $712 |
Ownership & Stock
| Owner-Occupied | 71.5% |
| Renter-Occupied | 28.5% |
| Homeownership Rate | 71.5% |
| Total Housing Units | 22,885 |
| Median Year Built | 1966 |
| Rent Burden | 34.1% |