House Prices

Westerly San Marcos, CA House Prices & Home Values 2026


Average Data

average house price$705,398
average size per house1821 ft²
average price per ft²403 $ / ft²

07/05/2026 - The value range (VR) for house prices in Westerly San Marcos, CA is $382.85/ sqft to $423.15/ sqft. An average home with 1821 sqft costs approximately $724,360 to $800,608. San Marcos, CA includes 1 ZIP codes and it is located in San Diego county. The lowest prices are found in ZIP 92078, while the highest are in ZIP 92078. The average price per sqare feet is $403. Our analysis is based on 19 property listings.

Avergage prices by ZIP codes Westerly San Marcos

92078447 $ / ft²




Historical development of home values in Westerly San Marcos

Year Estimated value (USD) Change vs. 2025
2010 $327,600 -53.6%
2011 $314,931 -55.4%
2012 $314,083 -55.5%
2013 $325,823 -53.8%
2014 $342,024 -51.5%
2015 $359,578 -49.0%
2016 $378,344 -46.4%
2017 $398,764 -43.5%
2018 $420,810 -40.3%
2019 $440,322 -37.6%
2020 $463,085 -34.4%
2021 $526,709 -25.3%
2022 $614,025 -13.0%
2023 $647,517 -8.2%
2024 $684,977 -2.9%
2025 $705,398 0.0%

Graph: estimated home values in Westerly San Marcos over time (USD)



Example: 100% financing house in Westerly San Marcos

Loan amount: $705,398

Interest rate: 6.23%

Fixed monthly payment: $4,335.92

Breakdown in the 1st month:
Interest portion: $3,664.54  –  Principal portion: $671.38

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $43,740.28 $8,290.74 $697,107.26
2 $43,208.41 $8,822.62 $688,284.64
3 $42,642.42 $9,388.61 $678,896.03
4 $42,040.12 $9,990.91 $668,905.12
5 $41,399.18 $10,631.85 $658,273.27
6 $40,717.12 $11,313.91 $646,959.36
7 $39,991.30 $12,039.73 $634,919.63
8 $39,218.93 $12,812.10 $622,107.53
9 $38,397.00 $13,634.03 $608,473.50
10 $37,522.34 $14,508.69 $593,964.81
11 $36,591.57 $15,439.45 $578,525.36
12 $35,601.10 $16,429.93 $562,095.43
13 $34,547.08 $17,483.95 $544,611.48
14 $33,425.44 $18,605.59 $526,005.89
15 $32,231.85 $19,799.18 $506,206.71
16 $30,961.68 $21,069.35 $485,137.36
17 $29,610.03 $22,421.00 $462,716.36
18 $28,171.67 $23,859.36 $438,857.00
19 $26,641.03 $25,389.99 $413,467.01
20 $25,012.20 $27,018.82 $386,448.18
21 $23,278.88 $28,752.15 $357,696.04
22 $21,434.36 $30,596.67 $327,099.37
23 $19,471.51 $32,559.52 $294,539.85
24 $17,382.74 $34,648.29 $259,891.56
25 $15,159.97 $36,871.06 $223,020.50
26 $12,794.60 $39,236.43 $183,784.08
27 $10,277.49 $41,753.54 $142,030.54
28 $7,598.90 $44,432.13 $97,598.41
29 $4,748.47 $47,282.56 $50,315.85
30 $1,715.18 $50,315.85 $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 Westerly San Marcos, CA


1500 sqft3900 sqft
Ø selling price$759,972$1,616,667
Ø fast selling$690,884$1,455,000
Ø high price sale$829,060$1,778,333

In 2026, houses in Westerly San Marcos, CA will be offered at an average price of $403 per square foot. A 1,500 sqft home priced at $759,972 is 23.90% more expensive per square foot than a 3,900 sqft home priced at $1,616,667. Home prices in Westerly San Marcos, CA vary significantly depending on the property’s condition and exact location. For a quick sale, a 2,700 sqft home should be listed at around $1,119,231. Sellers who can wait longer may achieve a higher price of up to $1,367,949.


Westerly Neighborhood in San Marcos, CA

Location & Access

Nestled in the rolling hills of North County San Diego, Westerly in San Marcos, CA enjoys a scenic setting near Discovery Lake and Double Peak.
The neighborhood offers quick access to Highway 78, Cal State San Marcos, and shopping and dining along San Marcos Boulevard and Restaurant Row.

Homes & Architecture

Housing in Westerly is predominantly contemporary single-family homes with open-concept layouts, flexible lofts, and indoor-outdoor living spaces.
Many residences feature spacious kitchens, energy-efficient systems, and private backyards designed for entertaining.

Lifestyle & Amenities

Residents appreciate miles of nearby trails, community parks, and a relaxed, family-friendly atmosphere ideal for evening walks and weekend hikes.
Lake San Marcos, golf options, and the coastal beaches of Carlsbad are a short drive, expanding recreation beyond the neighborhood.

Schools & Education

Westerly is served by the well-regarded San Marcos Unified School District, with a range of public, charter, and private school options in close proximity.
Families often look to Double Peak School and San Marcos High, but attendance boundaries can change, so buyers should verify current assignments.

Real Estate & Market

For homebuyers, homes for sale in Westerly San Marcos are sought-after for their modern design, hillside views, and convenient location within a well-planned enclave.
Whether you are relocating to North County or moving up locally, the neighborhood delivers lifestyle, schools, and value that make Westerly, San Marcos a standout choice.



FAQ – Home Values in Westerly San Marcos

What is the median home value in Westerly San Marcos in 2026?

In 2026, the typical home value in Westerly San Marcos is about $705,398 for an average home size of 1821 square feet. This corresponds to an average price of roughly $403 per square foot.

What is the average cost per square foot in Westerly San Marcos?

In 2026, homes in Westerly San Marcos sell for an average of around $403 per square foot, with a typical range between $382.85 and $423.15 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in Westerly?

The average home size in Westerly San Marcos is about 1821 square feet, with an estimated 2026 value around $705,398.



Neighborhoods close to Westerly San Marcos, CA

Shadowridge Vista, CA309 $ / ft²
Woods Valley Valley Center, CA249 $ / ft²
Sunshine Summit Warner Springs, CA302 $ / ft²
Eden Gardens (La Colonia) Solana Beach, CA1011 $ / ft²
Carlton Hills Santee, CA153 $ / ft²
Mesa Grande Santa Ysabel, CA627 $ / ft²
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