San Carlos, CA Real Estate, Schools & Local Living

Overview for San Carlos, CA

29,797 people live in San Carlos, where the median age is 41.6 and the average individual income is $126,389. Data provided by the U.S. Census Bureau.

29,797

Total Population

41.6 years

Median Age

High

Population Density Population Density This is the number of people per square mile in a neighborhood.

$126,389

Average individual Income

San Carlos, CA

The "City of Good Living" -- walkable, family-friendly, and perfectly positioned on the Peninsula
San Carlos is in San Mateo County, California. Zip code: 94070. Population: approximately 31,000. San Carlos is a safe, family-oriented city consistently rated one of the best places to live on the Peninsula, with a top-ranked K-8 public school district, a walkable downtown on Laurel Street, and a Baby Bullet Caltrain stop providing direct access to San Francisco in under 30 minutes.

San Carlos, California -- At a Glance

San Carlos Real Estate and Community Facts

County

San Mateo County

Zip Code

94070

Population

~31,000

Area

5.5 square miles

Median Home Price

$1.8M to $2.8M+

School District

San Carlos K-8 + Sequoia Union HSD

Caltrain Access

San Carlos Station -- Baby Bullet stop

Drive to SF

~30 min by Caltrain or Highway 101

Bordered By

Belmont (north), Redwood City (south)

Located In

San Francisco Bay Area, Mid-Peninsula

Incorporated

1925

Nickname

"City of Good Living"

San Carlos sits between Belmont and Redwood City in the heart of the San Francisco Bay Area's Mid-Peninsula. It is entirely within San Mateo County and served by a single zip code: 94070. The San Carlos School District is consistently ranked among the top five K-8 public school districts in California -- the primary reason families choose San Carlos over adjacent Peninsula communities at comparable or higher price points. The city covers 5.5 square miles and has a population of approximately 31,000 residents.

Looking at San Carlos real estate?

San Carlos offers top-ranked schools at a meaningful discount to Palo Alto and Menlo Park

The San Carlos School District consistently outperforms neighboring districts at significantly lower entry prices than Palo Alto or Menlo Park. Inventory moves quickly -- Drew Doran tracks San Carlos listings before they hit the MLS and has deep relationships across the local market.

Living in San Carlos, CA

 

The "City of Good Living"

San Carlos earned its "City of Good Living" nickname through a combination of factors that most Peninsula cities cannot replicate simultaneously: a walkable downtown on Laurel Street, a top-ranked K-8 public school district, Caltrain Baby Bullet access to San Francisco in under 30 minutes, and a residential character that is genuinely family-focused rather than transient. The rolling hills above downtown offer Bay views, and the flat grid below provides neighborhood walkability -- coffee shops, restaurants, a weekly farmers market -- that residents in more affluent but less practical Peninsula markets often lack.

San Carlos covers 5.5 square miles entirely within San Mateo County. The western neighborhoods sit in the foothills with Bay views and larger lots; the eastern neighborhoods are flatter, more grid-like, and closer to Caltrain and downtown Laurel Street. Both sides share the same school district and the same zip code: 94070.

The Real Estate Case

San Carlos sits in a value pocket between Redwood City to the south and Belmont to the north. Homes range from $1.8M for a well-maintained ranch on a standard lot to $3M+ for a remodeled hillside property with Bay views. The price differential versus Menlo Park or Palo Alto is meaningful -- and the school district quality gap is far smaller than the price gap suggests.

For families with school-age children who work in the South Bay or San Francisco, San Carlos is consistently the most rational value proposition on the Peninsula. The combination of school quality, Caltrain access, walkable downtown, and sub-Menlo pricing is difficult to replicate anywhere else in San Mateo County.

San Carlos vs. Neighboring Peninsula Communities

 

San Carlos is often the best value play for families who need school quality, Caltrain access, and walkable downtown amenities -- without the prestige premium of Palo Alto or Menlo Park.

Peninsula Community Comparison -- 2026

Community County Zip Code Median Price Range School Quality Caltrain Best For
San Carlos San Mateo 94070 $1.8M to $2.8M Top K-8 in CA Baby Bullet stop Families, value-focused buyers, SF/SB commuters
Belmont San Mateo 94002 $1.6M to $2.4M Strong -- Belmont-Redwood Shores USD Yes Entry-level Peninsula, hillside views
Redwood City San Mateo 94061, 94062, 94063, 94065 $1.4M to $2.2M Good -- Redwood City ESD Yes (3 stops) Active downtown, lower entry price
Menlo Park San Mateo 94025 $2.5M to $5M+ Excellent -- Las Lomitas / Ravenswood Yes Sand Hill Road proximity, prestige
Palo Alto Santa Clara 94301, 94303, 94306 $3.5M to $8M+ Top-ranked -- PAUSD Yes Stanford proximity, walkable luxury
San Mateo San Mateo 94401, 94402, 94403, 94404 $1.3M to $2.0M Good -- San Mateo-Foster City USD Yes (multiple stops) Larger city amenities, lower entry

Sources: San Mateo County Assessor: zip code boundaries; California Department of Education: district rankings; MLS median price ranges: 12-month trailing 2025 to 2026

Schools, Dining and Local Life

 

Schools

The San Carlos School District serves grades K-8 and is consistently ranked among the top five public elementary and middle school districts in California. The district operates six elementary schools and two middle schools across San Carlos's 5.5 square miles. High school students attend Carlmont High School in the Sequoia Union High School District, which offers strong AP and IB programs with college acceptance rates that compare favorably with private school alternatives in the area.

  • Arundel Elementary School -- K-5, consistently top-rated within the district
  • Arroyo School -- grades 6-8, strong academic outcomes and electives
  • Arbor Bay School -- special education focus, serves the district and surrounding communities
  • Carlmont High School -- public 9-12, Sequoia Union High School District, Belmont CA

Dining on Laurel Street

San Carlos's downtown is anchored by Laurel Street -- a walkable commercial corridor with a density of independent restaurants, coffee shops, and wine bars that punches well above its size for a Peninsula suburb of 31,000.

  • Town -- Regional American cuisine, local sourcing, West Coast wine list. The downtown anchor for upscale dining in San Carlos.
  • Noelani's Island Grill -- Hawaiian-Asian fusion with a standout poke sampler. Consistent local favorite on Laurel Street.
  • Devil's Canyon Brewing Company -- Rotating craft beers, hard seltzers, private event space available for parties and corporate events.
  • Domenico Winery -- Boutique winery in operation for over 20 years, award-winning Amador County varietal wines poured in San Carlos.

Things to Do in San Carlos

 

Burton Park

The primary community park in San Carlos, Burton Park features scenic walking trails through redwood groves, a children's playground, sports facilities, a performance stage, and a dedicated fenced dog park. Flanagan Field within the park hosts Summer Movie Nights from June through August -- outdoor screenings at sunset, free to attend.

Annual Events

The San Carlos Art and Wine Faire in October brings 250+ artists, food and drink vendors, and live entertainment across three stages. The Night of Holiday Lights in December is a family-focused winter festival with carolers, holiday shows, and a snow machine in the downtown plaza.

Outdoor Access

San Carlos's western edge borders the Peninsula hills, providing quick access to the San Francisco Bay Trail along the Bay shoreline, Belmont Creek Trail, and the open space preserves of the San Mateo County parks system. The combination of Bay access to the east and hillside trails to the west gives San Carlos an outdoor range unusual for a city of its density and size.

Frequently Asked Questions

 
What county is San Carlos, CA in?

San Carlos is in San Mateo County, California. It is located on the San Francisco Peninsula between Belmont to the north and Redwood City to the south. The city's single zip code is 94070, and it is entirely within San Mateo County.

What is the zip code for San Carlos, CA?

San Carlos uses a single zip code: 94070. This zip code covers the entire city of San Carlos, which is located in San Mateo County on the San Francisco Bay Area's Mid-Peninsula. The area code for San Carlos is 650.

What is the population of San Carlos, CA?

San Carlos has a population of approximately 31,000 residents. The city covers 5.5 square miles in San Mateo County, giving it a population density of roughly 5,600 people per square mile. San Carlos was incorporated in 1925 and has maintained a stable population base while home values have appreciated significantly alongside broader Peninsula real estate trends.

Is San Carlos a good place to live?

Yes. San Carlos consistently ranks among the top Peninsula communities for families and working professionals. It offers a top-ranked K-8 public school district, a walkable downtown on Laurel Street, a Baby Bullet Caltrain stop with direct access to San Francisco in under 30 minutes, and home prices that are meaningfully below Palo Alto and Menlo Park while delivering comparable school quality. The "City of Good Living" nickname reflects a community that has maintained genuine neighborhood character despite its proximity to Silicon Valley.

Is San Carlos, CA safe?

San Carlos has a low crime rate relative to most Bay Area cities of comparable size. It is a residential community with a strong neighborhood character and an active city government focused on quality of life. San Carlos consistently receives high marks in livability and safety surveys of San Mateo County communities.

What are the schools like in San Carlos?

The San Carlos School District serves K-8 and is consistently ranked among the top five public elementary and middle school districts in California. High school students attend Carlmont High School in the Sequoia Union High School District. The school district quality is one of the most commonly cited reasons families choose San Carlos over adjacent Peninsula communities at lower price points.

How far is San Carlos from San Francisco?

San Carlos is approximately 25 miles south of San Francisco. By Caltrain Baby Bullet, the commute takes under 30 minutes with a direct stop at San Carlos Station. By car on Highway 101, the commute runs 30 to 45 minutes depending on traffic. San Carlos is one of the most transit-accessible cities on the Mid-Peninsula.

What is the median home price in San Carlos, CA?

Median home prices in San Carlos range from approximately $1.8M for a standard lot single-family home to $2.8M+ for a remodeled property or hillside home with Bay views. The market is competitive -- well-priced homes in San Carlos routinely receive multiple offers within the first week of listing. Entry-level condos and townhomes start in the $900K to $1.3M range.

Where is San Carlos, California located?

San Carlos is located on the San Francisco Peninsula in San Mateo County, California, approximately 25 miles south of San Francisco and 25 miles north of San Jose. It sits between Belmont to the north and Redwood City to the south, at an elevation ranging from sea level near the Bay to approximately 500 feet in the western foothills. The city is accessible via Highway 101, Interstate 280, and the Caltrain Baby Bullet line.

Explore Nearby Neighborhoods

 

San Carlos sits at the center of the Mid-Peninsula residential corridor. The communities immediately adjacent each offer a variation on the core Peninsula proposition -- school quality, Caltrain access, and proximity to South Bay and San Francisco employment.

Drew
Doran

Drew Doran | The Doran Team | Compass

CA DRE License: [VERIFY: Drew Doran DRE license number]

Drew Doran has represented buyers and sellers in San Carlos for over a decade. San Carlos is one of the most frequently requested markets in the Doran Team portfolio -- buyers who initially target Palo Alto or Menlo Park often land in San Carlos once they weigh school quality against price. Drew's off-market relationships in San Carlos give buyers access to homes before they appear on the MLS.

Search San Carlos Homes for Sale  |  Get a Free Home Valuation

 

Around San Carlos, CA

There's plenty to do around San Carlos, including shopping, dining, nightlife, parks, and more. Data provided by Walk Score and Yelp.

49
Car-Dependent
Walking Score
47
Somewhat Bikeable
Bike Score

Points of Interest

Explore popular things to do in the area, including Razarun Dresses & Tailoring, Behind The Glass, and Rally Gymnastics.

Name Category Distance Reviews
Ratings by Yelp
Shopping 1.59 miles 20 reviews 5/5 stars
Shopping 1.07 miles 7 reviews 5/5 stars
Active 0.99 miles 6 reviews 5/5 stars
Active 2.52 miles 17 reviews 5/5 stars
Active 1.29 miles 12 reviews 5/5 stars
Active 2.42 miles 28 reviews 5/5 stars

Demographics and Employment Data for San Carlos, CA

San Carlos has 11,052 households, with an average household size of 2.68. Data provided by the U.S. Census Bureau. Here’s what the people living in San Carlos do for work — and how long it takes them to get there. Data provided by the U.S. Census Bureau. 29,797 people call San Carlos home. The population density is 5,505.87 and the largest age group is Data provided by the U.S. Census Bureau.

29,797

Total Population

High

Population Density Population Density This is the number of people per square mile in a neighborhood.

41.6

Median Age

48.4 / 51.6%

Men vs Women

Population by Age Group

0-9:

0-9 Years

10-17:

10-17 Years

18-24:

18-24 Years

25-64:

25-64 Years

65-74:

65-74 Years

75+:

75+ Years

Education Level

  • Less Than 9th Grade
  • High School Degree
  • Associate Degree
  • Bachelor Degree
  • Graduate Degree
11,052

Total Households

2.68

Average Household Size

$126,389

Average individual Income

Households with Children

With Children:

Without Children:

Marital Status

Married
Single
Divorced
Separated

Blue vs White Collar Workers

Blue Collar:

White Collar:

Commute Time

0 to 14 Minutes
15 to 29 Minutes
30 to 59 Minutes
60+ Minutes
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San Carlos

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