House Prices

House Prices & Home Values Atherton, CA 2026


Average Data

average house price$8,264,710
average size per house4378 ft²
average price per ft²1889 $ / ft²

05/31/2026 - The value range (VR) for house prices in Atherton, CA is $1289/ sqft to $1289/ sqft. An average home with 4378 sqft costs approximately $5,643,242 to $5,643,242. Atherton, CA includes 1 ZIP codes and it is located in San Mateo county. The lowest prices are found in ZIP 94027, while the highest are in ZIP 94027. The average price per sqare feet is $1889. Our analysis is based on 11 property listings.

Avergage prices by ZIP codes Atherton

940271306 $ / ft²




Historical development of home values in Atherton

Year Estimated value (USD) Change vs. 2025
2010 $3,838,281 -53.6%
2011 $3,689,854 -55.4%
2012 $3,679,919 -55.5%
2013 $3,817,466 -53.8%
2014 $4,007,286 -51.5%
2015 $4,212,955 -49.0%
2016 $4,432,816 -46.4%
2017 $4,672,073 -43.5%
2018 $4,930,371 -40.3%
2019 $5,158,983 -37.6%
2020 $5,425,678 -34.4%
2021 $6,171,124 -25.3%
2022 $7,194,145 -13.0%
2023 $7,586,559 -8.2%
2024 $8,025,453 -2.9%
2025 $8,264,710 0.0%

Graph: estimated home values in Atherton over time (USD)



Example: 100% financing house in Atherton

Loan amount: $8,264,710

Interest rate: 6.00%

Fixed monthly payment: $49,551.11

Breakdown in the 1st month:
Interest portion: $41,323.55  –  Principal portion: $8,227.56

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $493,121.74 $101,491.61 $8,163,218.39
2 $486,861.96 $107,751.39 $8,055,467.01
3 $480,216.09 $114,397.26 $7,941,069.75
4 $473,160.32 $121,453.03 $7,819,616.72
5 $465,669.36 $128,943.99 $7,690,672.73
6 $457,716.38 $136,896.97 $7,553,775.76
7 $449,272.87 $145,340.47 $7,408,435.29
8 $440,308.59 $154,304.76 $7,254,130.53
9 $430,791.41 $163,821.94 $7,090,308.60
10 $420,687.23 $173,926.12 $6,916,382.48
11 $409,959.85 $184,653.50 $6,731,728.98
12 $398,570.82 $196,042.52 $6,535,686.46
13 $386,479.35 $208,134.00 $6,327,552.46
14 $373,642.10 $220,971.24 $6,106,581.22
15 $360,013.08 $234,600.27 $5,871,980.95
16 $345,543.45 $249,069.90 $5,622,911.05
17 $330,181.36 $264,431.99 $5,358,479.07
18 $313,871.78 $280,741.57 $5,077,737.50
19 $296,556.25 $298,057.10 $4,779,680.40
20 $278,172.74 $316,440.61 $4,463,239.79
21 $258,655.38 $335,957.97 $4,127,281.82
22 $237,934.22 $356,679.12 $3,770,602.70
23 $215,935.04 $378,678.31 $3,391,924.39
24 $192,578.99 $402,034.36 $2,989,890.03
25 $167,782.39 $426,830.96 $2,563,059.06
26 $141,456.39 $453,156.96 $2,109,902.10
27 $113,506.66 $481,106.69 $1,628,795.41
28 $83,833.05 $510,780.30 $1,118,015.12
29 $52,329.24 $542,284.11 $575,731.01
30 $18,882.34 $575,731.01 $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 Atherton, CA


1500 sqft3900 sqft
Ø selling price$3,428,536$7,293,430
Ø fast selling$3,116,851$6,564,087
Ø high price sale$3,740,221$8,022,772

In 2026, houses in Atherton, CA will be offered at an average price of $1889 per square foot. A 1,500 sqft home priced at $3,428,536 is 23.30% more expensive per square foot than a 3,900 sqft home priced at $7,293,430. Home prices in Atherton, CA vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $5,049,297. Sellers who can wait longer may achieve a higher price of up to $6,171,364.

FAQ – Home Values in Atherton

What is the median home value in Atherton in 2026?

In 2026, the typical home value in Atherton is about $8,264,710 for an average home size of 4378 square feet. This corresponds to an average price of roughly $1889 per square foot.

What is the average cost per square foot in Atherton?

In 2026, homes in Atherton sell for an average of around $1889 per square foot, with a typical range between $1289 and $1289 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 Atherton is about 4378 square feet, with an estimated 2026 value around $8,264,710.



Locations close to Atherton, CA

Portola Valley, CA1891 $ / ft²
Millbrae, CA819 $ / ft²
Montara, CA738 $ / ft²
Menlo Park, CA1341 $ / ft²
Los Altos, CA2268 $ / ft²
Loma Mar, CA441 $ / ft²
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