House Prices

Belmont San Marcos, CA House Prices & Home Values 2026


Average Data

average house price$635,470
average size per house1641 ft²
average price per ft²363 $ / ft²

07/05/2026 - The value range (VR) for house prices in Belmont San Marcos, CA is $344.85/ sqft to $381.15/ sqft. An average home with 1641 sqft costs approximately $529,682 to $585,438. 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 $363. Our analysis is based on 19 property listings.

Avergage prices by ZIP codes Belmont San Marcos

92078403 $ / ft²




Historical development of home values in Belmont San Marcos

Year Estimated value (USD) Change vs. 2025
2010 $295,124 -53.6%
2011 $283,711 -55.4%
2012 $282,947 -55.5%
2013 $293,523 -53.8%
2014 $308,119 -51.5%
2015 $323,932 -49.0%
2016 $340,837 -46.4%
2017 $359,234 -43.5%
2018 $379,094 -40.3%
2019 $396,672 -37.6%
2020 $417,178 -34.4%
2021 $474,495 -25.3%
2022 $553,155 -13.0%
2023 $583,327 -8.2%
2024 $617,074 -2.9%
2025 $635,470 0.0%

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



Example: 100% financing house in Belmont San Marcos

Loan amount: $635,470

Interest rate: 5.62%

Fixed monthly payment: $3,654.51

Breakdown in the 1st month:
Interest portion: $2,974.00  –  Principal portion: $680.51

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $35,474.48 $8,379.68 $627,090.32
2 $34,991.58 $8,862.59 $618,227.73
3 $34,480.84 $9,373.32 $608,854.41
4 $33,940.67 $9,913.49 $598,940.92
5 $33,369.37 $10,484.79 $588,456.13
6 $32,765.15 $11,089.01 $577,367.12
7 $32,126.11 $11,728.05 $565,639.06
8 $31,450.24 $12,403.92 $553,235.14
9 $30,735.43 $13,118.74 $540,116.40
10 $29,979.41 $13,874.75 $526,241.65
11 $29,179.83 $14,674.33 $511,567.32
12 $28,334.18 $15,519.99 $496,047.34
13 $27,439.79 $16,414.38 $479,632.96
14 $26,493.85 $17,360.31 $462,272.65
15 $25,493.41 $18,360.76 $443,911.89
16 $24,435.31 $19,418.86 $424,493.04
17 $23,316.23 $20,537.93 $403,955.10
18 $22,132.66 $21,721.50 $382,233.60
19 $20,880.89 $22,973.28 $359,260.33
20 $19,556.98 $24,297.19 $334,963.14
21 $18,156.77 $25,697.39 $309,265.75
22 $16,675.87 $27,178.29 $282,087.45
23 $15,109.63 $28,744.53 $253,342.92
24 $13,453.13 $30,401.03 $222,941.89
25 $11,701.17 $32,152.99 $190,788.90
26 $9,848.25 $34,005.92 $156,782.98
27 $7,888.54 $35,965.62 $120,817.36
28 $5,815.90 $38,038.26 $82,779.10
29 $3,623.82 $40,230.34 $42,548.75
30 $1,305.41 $42,548.75 $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 Belmont San Marcos, CA


1500 sqft3900 sqft
Ø selling price$616,679$1,311,845
Ø fast selling$560,618$1,180,660
Ø high price sale$672,741$1,443,029

In 2026, houses in Belmont San Marcos, CA will be offered at an average price of $363 per square foot. A 1,500 sqft home priced at $616,679 is 21.53% more expensive per square foot than a 3,900 sqft home priced at $1,311,845. Home prices in Belmont 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 $908,200. Sellers who can wait longer may achieve a higher price of up to $1,110,023.


Belmont, San Marcos, CA Neighborhood Guide

Overview

Belmont in San Marcos, CA is a sought-after neighborhood known for its well-kept streets, contemporary homes, and a welcoming, family-friendly vibe. Homebuyers search Belmont for its blend of suburban comfort, scenic foothill surroundings, and convenient access to everyday essentials.

Lifestyle & Amenities

Residents enjoy nearby parks, playgrounds, and multi-use trails that make outdoor living a daily routine. Local shopping, dining, and services are close by, offering a walkable or short-drive lifestyle that saves time and adds convenience.

Real Estate & Schools

The Belmont real estate market features a mix of stylish single-family residences and low-maintenance options, appealing to first-time buyers and move-up families alike. Many homes showcase open-concept layouts, private yards, and community-maintained common areas, delivering value with a polished curb appeal. Families are drawn to the neighborhood for access to respected San Marcos Unified schools and a strong sense of community connection.

Location & Access

Commuters appreciate quick links to major corridors like Highway 78 and I-15, as well as nearby employment centers throughout North County. Weekend fun is never far, with beaches, regional parks, and popular North County attractions an easy drive from Belmont. If you?re exploring homes for sale in the Belmont neighborhood of San Marcos, CA, you?ll find a balanced lifestyle that combines comfort, convenience, and long-term value.



FAQ – Home Values in Belmont San Marcos

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

In 2026, the typical home value in Belmont San Marcos is about $635,470 for an average home size of 1641 square feet. This corresponds to an average price of roughly $363 per square foot.

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

In 2026, homes in Belmont San Marcos sell for an average of around $363 per square foot, with a typical range between $344.85 and $381.15 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in Belmont?

The average home size in Belmont San Marcos is about 1641 square feet, with an estimated 2026 value around $635,470.



Neighborhoods close to Belmont 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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