House Prices

House Prices & Home Values Port Costa, CA 2026


Average Data

average house price$941,625
average size per house2361 ft²
average price per ft²399 $ / ft²

04/04/2026 - The value range (VR) for house prices in Port Costa, CA is $543/ sqft to $543/ sqft. An average home with 2361 sqft costs approximately $1,282,023 to $1,282,023. Port Costa, CA includes 1 ZIP codes and it is located in Contra Costa county. The lowest prices are found in ZIP 94569, while the highest are in ZIP 94569. The average price per sqare feet is $399. Our analysis is based on 4 property listings.

Avergage prices by ZIP codes Port Costa

94569496 $ / ft²




Historical development of home values in Port Costa

Year Estimated value (USD) Change vs. 2025
2010 $437,308 -53.6%
2011 $420,397 -55.4%
2012 $419,265 -55.5%
2013 $434,936 -53.8%
2014 $456,563 -51.5%
2015 $479,996 -49.0%
2016 $505,045 -46.4%
2017 $532,304 -43.5%
2018 $561,733 -40.3%
2019 $587,780 -37.6%
2020 $618,165 -34.4%
2021 $703,096 -25.3%
2022 $819,652 -13.0%
2023 $864,361 -8.2%
2024 $914,366 -2.9%
2025 $941,625 0.0%

Graph: estimated home values in Port Costa over time (USD)



Example: 100% financing house in Port Costa

Loan amount: $941,625

Interest rate: 6.00%

Fixed monthly payment: $5,645.52

Breakdown in the 1st month:
Interest portion: $4,708.13  –  Principal portion: $937.39

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $56,182.95 $11,563.27 $930,061.73
2 $55,469.75 $12,276.46 $917,785.27
3 $54,712.56 $13,033.65 $904,751.63
4 $53,908.68 $13,837.53 $890,914.09
5 $53,055.21 $14,691.00 $876,223.09
6 $52,149.10 $15,597.11 $860,625.98
7 $51,187.10 $16,559.11 $844,066.87
8 $50,165.77 $17,580.44 $826,486.43
9 $49,081.45 $18,664.76 $807,821.67
10 $47,930.25 $19,815.96 $788,005.71
11 $46,708.04 $21,038.17 $766,967.54
12 $45,410.46 $22,335.76 $744,631.79
13 $44,032.84 $23,713.38 $720,918.41
14 $42,570.25 $25,175.96 $695,742.44
15 $41,017.45 $26,728.76 $669,013.68
16 $39,368.88 $28,377.33 $640,636.35
17 $37,618.62 $30,127.59 $610,508.76
18 $35,760.42 $31,985.79 $578,522.97
19 $33,787.61 $33,958.60 $544,564.37
20 $31,693.12 $36,053.10 $508,511.27
21 $29,469.44 $38,276.77 $470,234.50
22 $27,108.61 $40,637.60 $429,596.90
23 $24,602.17 $43,144.04 $386,452.86
24 $21,941.14 $45,805.07 $340,647.79
25 $19,115.99 $48,630.22 $292,017.57
26 $16,116.58 $51,629.63 $240,387.93
27 $12,932.18 $54,814.03 $185,573.90
28 $9,551.37 $58,194.84 $127,379.06
29 $5,962.04 $61,784.17 $65,594.89
30 $2,151.33 $65,594.89 $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 Port Costa, CA


1500 sqft3900 sqft
Ø selling price$724,186$1,540,540
Ø fast selling$658,350$1,386,486
Ø high price sale$790,021$1,694,593

In 2026, houses in Port Costa, CA will be offered at an average price of $399 per square foot. A 1,500 sqft home priced at $724,186 is 20.98% more expensive per square foot than a 3,900 sqft home priced at $1,540,540. Home prices in Port Costa, CA vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $1,066,527. Sellers who can wait longer may achieve a higher price of up to $1,303,533.

FAQ – Home Values in Port Costa

What is the median home value in Port Costa in 2026?

In 2026, the typical home value in Port Costa is about $941,625 for an average home size of 2361 square feet. This corresponds to an average price of roughly $399 per square foot.

What is the average cost per square foot in Port Costa?

In 2026, homes in Port Costa sell for an average of around $399 per square foot, with a typical range between $543 and $543 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 Port Costa is about 2361 square feet, with an estimated 2026 value around $941,625.



Locations close to Port Costa, CA

Rio Vista, CA273 $ / ft²
Rodeo, CA405 $ / ft²
Rutherford, CA1807 $ / ft²
Dublin, CA457 $ / ft²
Pope Valley, CA229 $ / ft²
Pleasanton, CA486 $ / ft²
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