House Prices

House Prices & Home Values Castro Valley, CA 2026


Average Data

average house price$1,225,445
average size per house1924 ft²
average price per ft²637 $ / ft²

05/31/2026 - The value range (VR) for house prices in Castro Valley, CA is $526/ sqft to $926/ sqft. An average home with 1924 sqft costs approximately $1,012,024 to $1,781,624. Castro Valley, CA includes 2 ZIP codes and it is located in Alameda county. The lowest prices are found in ZIP 94546, while the highest are in ZIP 94552. The average price per sqare feet is $637. Our analysis is based on 27 property listings.

Avergage prices by ZIP codes Castro Valley

94546528 $ / ft²
94552876 $ / ft²




Historical development of home values in Castro Valley

Year Estimated value (USD) Change vs. 2025
2010 $569,119 -53.6%
2011 $547,111 -55.4%
2012 $545,638 -55.5%
2013 $566,032 -53.8%
2014 $594,178 -51.5%
2015 $624,673 -49.0%
2016 $657,273 -46.4%
2017 $692,749 -43.5%
2018 $731,048 -40.3%
2019 $764,945 -37.6%
2020 $804,489 -34.4%
2021 $915,020 -25.3%
2022 $1,066,708 -13.0%
2023 $1,124,893 -8.2%
2024 $1,189,969 -2.9%
2025 $1,225,445 0.0%

Graph: estimated home values in Castro Valley over time (USD)



Example: 100% financing house in Castro Valley

Loan amount: $1,225,445

Interest rate: 6.00%

Fixed monthly payment: $7,347.16

Breakdown in the 1st month:
Interest portion: $6,127.23  –  Principal portion: $1,219.94

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $73,117.34 $15,048.61 $1,210,396.39
2 $72,189.17 $15,976.77 $1,194,419.62
3 $71,203.76 $16,962.19 $1,177,457.43
4 $70,157.57 $18,008.38 $1,159,449.06
5 $69,046.85 $19,119.09 $1,140,329.96
6 $67,867.63 $20,298.32 $1,120,031.65
7 $66,615.67 $21,550.27 $1,098,481.37
8 $65,286.50 $22,879.45 $1,075,601.93
9 $63,875.34 $24,290.60 $1,051,311.32
10 $62,377.15 $25,788.79 $1,025,522.53
11 $60,786.55 $27,379.39 $998,143.14
12 $59,097.85 $29,068.09 $969,075.05
13 $57,305.00 $30,860.95 $938,214.11
14 $55,401.56 $32,764.38 $905,449.73
15 $53,380.73 $34,785.22 $870,664.51
16 $51,235.25 $36,930.69 $833,733.82
17 $48,957.45 $39,208.50 $794,525.32
18 $46,539.15 $41,626.79 $752,898.53
19 $43,971.70 $44,194.24 $708,704.29
20 $41,245.90 $46,920.04 $661,784.25
21 $38,351.97 $49,813.97 $611,970.28
22 $35,279.56 $52,886.39 $559,083.89
23 $32,017.64 $56,148.30 $502,935.59
24 $28,554.54 $59,611.41 $443,324.18
25 $24,877.83 $63,288.11 $380,036.07
26 $20,974.36 $67,191.58 $312,844.49
27 $16,830.13 $71,335.81 $241,508.68
28 $12,430.30 $75,735.65 $165,773.03
29 $7,759.09 $80,406.86 $85,366.18
30 $2,799.77 $85,366.18 $0.00

Note: The calculation is based on a standard annuity mortgage with a fixed monthly payment over the entire term. Extra payments, interest rate changes, and additional purchase costs (e.g. taxes, notary fees) are not included.


How to sell in Castro Valley, CA


1500 sqft3900 sqft
Ø selling price$1,156,155$2,459,457
Ø fast selling$1,051,050$2,213,512
Ø high price sale$1,261,260$2,705,403

In 2026, houses in Castro Valley, CA will be offered at an average price of $637 per square foot. A 1,500 sqft home priced at $1,156,155 is 23.07% more expensive per square foot than a 3,900 sqft home priced at $2,459,457. Home prices in Castro Valley, CA vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $1,702,702. Sellers who can wait longer may achieve a higher price of up to $2,081,080.


Guide to Castro Valley, CA

Overview

Castro Valley, CA is a family-friendly community in Alameda County within the East Bay of the San Francisco Bay Area.
Known for its suburban vibe and rolling hills, the area blends quiet neighborhoods with convenient access to regional job centers.
The heart of downtown along Castro Valley Boulevard offers local restaurants, cafes, and shops that reflect the town?s diverse culture.

Outdoors and things to do

Lake Chabot Regional Park draws outdoor lovers for hiking, biking, fishing, and scenic picnics.
Nearby parks, community centers, and youth sports programs make recreation easy for all ages.
Annual community events and a lively farmers market add small-town charm while supporting local businesses.

Living and commuting

Commuters appreciate convenient BART service, proximity to I?580 and I?238, and quick connections to Oakland and San Francisco.
Strong public and private schools, plus nearby colleges, contribute to Castro Valley?s reputation as a smart choice for families.
The local real estate market offers a mix of mid-century homes, modern townhouses, and view properties across established neighborhoods.
With mild Mediterranean weather and a welcoming community spirit, Castro Valley, CA delivers a balanced East Bay lifestyle.



FAQ – Home Values in Castro Valley

What is the median home value in Castro Valley in 2026?

In 2026, the typical home value in Castro Valley is about $1,225,445 for an average home size of 1924 square feet. This corresponds to an average price of roughly $637 per square foot.

What is the average cost per square foot in Castro Valley?

In 2026, homes in Castro Valley sell for an average of around $637 per square foot, with a typical range between $526 and $926 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in ?

The average home size in Castro Valley is about 1924 square feet, with an estimated 2026 value around $1,225,445.



Locations close to Castro Valley, CA

Martinez, CA430 $ / ft²
Fremont, CA667 $ / ft²
Moraga, CA570 $ / ft²
Livermore, CA540 $ / ft²
Lafayette, CA584 $ / ft²
Knightsen, CA456 $ / ft²
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