The San Gabriel Valley: A Little History Behind the Place We Call Home

Sep 29

Written by Amy Lin

When people think about the San Gabriel Valley today, they may think about its neighborhoods, mountain views, restaurants, schools, and the many communities that make up this part of Los Angeles County.

But long before today's homes, shopping centers, freeways, and residential streets, the San Gabriel Valley had a very different landscape.

Understanding a little of that history can make living—and buying a home—here even more interesting.

Before the Cities: The Valley's Indigenous Roots

Long before European settlement, Indigenous communities lived throughout the Los Angeles Basin and San Gabriel Valley.

The people commonly referred to historically as the Gabrielino, and today often identified as Tongva or Gabrielino-Tongva, lived in villages throughout the region and relied on its land and natural resources.

The arrival of Spanish colonization and the mission system dramatically changed their communities. LA County's historical research describes displacement, forced labor and conversion, disease, and the loss of Indigenous land and traditional practices during this period. LA County Planning

This history is an important part of understanding how the San Gabriel Valley developed.

Mission San Gabriel and the Growth of the Valley

Mission San Gabriel Arcángel was founded in 1771, becoming the fourth of California's 21 Spanish missions. The mission was originally established closer to the Rio Hondo before being relocated several years later because of flooding. LA County Planning

The mission became an important agricultural center. Crops, vineyards, citrus and livestock became part of the valley's changing landscape, supported heavily by Indigenous labor. LA County Library

The mission's influence was so significant that the San Gabriel Valley and San Gabriel Mountains ultimately took their names from Mission San Gabriel. LA County Library

From Missions to Ranchos

California became part of Mexico after Mexican independence from Spain in 1821.

During the 1830s, the Mexican government secularized the missions, and much of the former mission land eventually passed into private ownership. Large ranchos became an important part of the Southern California landscape. LA County Planning

One example was Rancho La Puente, a nearly 49,000-acre tract associated with John Rowland and William Workman. It covered land that today includes areas around La Puente, West Covina, Baldwin Park, Covina and neighboring communities. LA County Library

If you've ever wondered why names such as Rancho, Hacienda, Puente and San Gabriel appear so frequently around the valley, much of that reflects layers of Spanish and Mexican-era history.

When Agriculture Defined the San Gabriel Valley

It's hard to imagine today, but much of the San Gabriel Valley was once agricultural.

Citrus orchards, vineyards, walnuts, avocados, vegetables and other crops were grown throughout different parts of the valley. The combination of fertile land and access to water helped agriculture become an important part of the region's development. LA County Library

That history also helps explain something buyers still notice today:

The San Gabriel Valley has many established neighborhoods with mature trees, varied lot sizes and homes built across many different periods.

The neighborhood you see today wasn't created all at once.

Railroads, Population Growth and New Neighborhoods

As rail transportation expanded in Southern California in the late 19th century, more people began arriving and communities throughout the region grew.

The transformation accelerated during the 20th century.

Agricultural land was gradually converted into residential neighborhoods, commercial districts and industrial uses. After World War II, development increased substantially as Southern California's population expanded. LA County Library

That's one reason buyers today can drive only a few miles and encounter dramatically different housing.

You might find an older character home in one neighborhood, a mid-century house in another, condominiums and townhomes nearby, and newer developments farther east.

The San Gabriel Valley Today

Today, “San Gabriel Valley” doesn't describe one city.

It's a collection of communities, each with its own personality and housing stock.

Places such as Arcadia, Temple City, San Gabriel, Pasadena, Alhambra, Monterey Park and other surrounding communities can feel surprisingly different from one another.

And that's one of the things I find interesting about helping buyers here.

Someone who says, “I want to live in the San Gabriel Valley” is really just beginning the conversation.

The next questions are:

What kind of neighborhood fits your lifestyle?

What type of home are you looking for?

How important are commute, lot size, walkability, restaurants, shopping, outdoor space or proximity to family?

The right community for one buyer may be completely different from the right community for another.

Why History Matters When You're Buying a Home

You don't need to become a local historian before buying a house.

But understanding how an area developed can help explain some of the things you'll encounter during your search.

Older neighborhoods may have homes from very different eras. Lot sizes can vary. Some properties have been expanded or remodeled multiple times. Street layouts and commercial districts can reflect decades of development rather than one master-planned community.

That's why I encourage buyers to look beyond the photos of a house.

Look at the home. Look at the street. Look at the neighborhood. And think about how the entire community fits your everyday life.

Finding Your Place in the San Gabriel Valley

One of the advantages of searching in the San Gabriel Valley is that you don't have to choose from just one type of community.

You can explore different neighborhoods, housing styles and price points while staying within the broader region.

And sometimes the home—or city—you end up loving isn't the one you originally expected.

Thinking About Moving Within the San Gabriel Valley?

We can help you explore different communities, compare homes and neighborhoods, and understand what makes each area different.

Contact us to start exploring the San Gabriel Valley.

This article is intended for general informational purposes. Historical information has been summarized from public sources, including Los Angeles County Library and Los Angeles County Planning.