Janss Investment Company

Janss Investment Company was a Los Angeles-based, family-run real-estate development business that operated from approximately 1895 until 1995. Its origins are associated with Peter Janss, a Danish immigrant and physician who moved to Los Angeles in 1893. After recognizing the commercial potential of Southern California land development, Janss shifted his attention from medical practice to real estate. By the early twentieth century, he was working with his sons, Edwin Janss Sr. and Harold Janss, on subdivisions and community development across the Los Angeles region. The company’s early work helped shape several communities and residential districts. Its projects included Ramona Acres in Monterey Park, subdivisions in Belvedere Gardens and Highland Villa in the Boyle Heights area, and land development in Yorba Linda. In 1909, Janss subdivided approximately 3,500 acres from the Bernardo Yorba Rancho Cañón de Santa Ana property and gave the new community the name Yorba Linda. The second generation later participated in the development of Van Nuys and Owensmouth, the latter now known as Canoga Park. A major turning point came in the 1920s, when Harold Janss and his wife, Gladys Letts Janss, became connected to the large John Reid Wolfskill ranch on Rancho San José de Buenos Ayres. The Janss family ultimately sold approximately 375 acres for the establishment of the University of California, Los Angeles. The land transaction, completed in 1925, supported the creation of UCLA’s Westwood campus and placed the family’s development activities at the center of one of Los Angeles’s most important urban expansions. The surrounding property remained under Janss control, allowing the company to develop Westwood Village and nearby residential districts. The Janss Investment Company Building, commonly known as the Janss Dome, opened in Westwood Village in 1929 and remains a prominent architectural landmark in the district. The company also left physical traces in the form of identifying marks incorporated into sidewalks in Westside neighborhoods. Its real-estate strategy combined land subdivision, residential planning, commercial development, and the creation of communities linked to major institutions and transportation corridors. The company’s history also reflects the discriminatory practices embedded in American real-estate development during the period. Deed restrictions and related policies in Westwood excluded people of color from patronizing businesses, while surrounding land was marketed preferentially to white European American organizations. In 1938, a dispute involving the prospective purchase of a building by the Asian American sorority Chi Alpha Delta illustrated the persistence of racial exclusion in property transactions connected to the Janss-controlled area. Later generations broadened the family’s interests beyond conventional housing development. Edwin Janss Jr. and his brother Bill Janss were involved in the expansion or development of Sun Valley in Idaho and Snowmass in Colorado, both of which were sold in the late 1970s. The family also developed the suburban community of Thousand Oaks on approximately 10,000 acres in the Conejo Valley, land acquired in 1919. William Janss Jr., a physician, became president of Janss Corporation in 1980 and oversaw projects reported as having an aggregate value of approximately $160 million during his tenure. The firm ceased operations in 1995, ending roughly a century of activity under the Janss family name.

Peter Janss, a Danish immigrant who trained as a physician in Iowa, moved to Los Angeles in 1893 intending to practice medicine. He soon concluded that land development offered greater commercial prospects and began acquiring, subdividing, and marketing property in the expanding Southern California region. The Janss family’s real-estate activity dates to the late nineteenth century, and Peter Janss later worked with his sons Edwin Janss Sr. and Harold Janss to formalize the family enterprise. During the first generation of the business, the Jansses developed subdivisions in Belvedere Gardens, Boyle Heights, Monterey Park, and Yorba Linda. Ramona Acres was developed in Monterey Park, while Highland Villa and Belvedere Gardens were subdivided in the Boyle Heights area, now associated with East Los Angeles. In 1909, the family subdivided roughly 3,500 acres from the Bernardo Yorba Rancho Cañón de Santa Ana property and established the community of Yorba Linda. These projects reflected the company’s early emphasis on converting large agricultural or ranch holdings into organized residential communities. Edwin Janss Sr. and Harold Janss continued expanding the family’s influence in the San Fernando Valley. Their work included development in Van Nuys and Owensmouth, which was later renamed Canoga Park. The family’s social and business connections also expanded. Harold Janss married Gladys Letts, daughter of prominent Los Angeles developer Arthur Letts. After Arthur Letts Sr.’s death in 1923, the Jansses assumed control of the approximately 3,300-acre John Reid Wolfskill ranch on Rancho San José de Buenos Ayres. The most consequential transaction of the 1920s involved the creation of UCLA. In 1925, Janss Investment Company sold about 375 acres to the cities of Los Angeles, Santa Monica, Venice, and Beverly Hills for approximately $1.2 million, a price described in historical accounts as substantially below the land’s estimated value. The cities had raised funds through bond issues and transferred the property to the state for the university campus. The former Janss Steps at UCLA, later renamed the Tongva Steps, commemorated Edwin and Harold Janss. The company retained much of the land surrounding the new campus and developed Westwood Village along with adjacent residential neighborhoods. Its Westwood headquarters, the Janss Investment Company Building or Janss Dome, opened in 1929. The building became a defining feature of Westwood Village, while company markings placed in sidewalks remain visible in parts of the Westside. The company’s development model linked housing, retail, and institutional land uses, helping turn the area around UCLA into a major urban center. This development history also includes documented racial exclusion. Restrictive covenants associated with Westwood properties barred people of color from patronizing businesses. The surrounding land was also marketed to selected white European American organizations, including groups connected with UCLA. In 1938, when the Asian American sorority Chi Alpha Delta sought to buy the UCLA Religious Conference building for use as a nearby home, disagreement among parties connected to the Janss interests reportedly prevented the transaction because of opposition to selling to Asian Americans. These episodes place the company within the broader history of racially restrictive housing and commercial practices in twentieth-century Los Angeles. The third generation extended the family’s activities into large-scale suburban and recreational development. Edwin Janss Jr. became chairman, while he and his brother Bill Janss participated in the development or expansion of Sun Valley in Idaho and Snowmass in Colorado. Both ski resorts were sold in the late 1970s. The family also developed Thousand Oaks in the Conejo Valley on approximately 10,000 acres purchased in 1919, contributing to the transformation of the area from ranch and agricultural land into a planned suburban community. William Janss Jr., M.D., assumed control of the family business and became president of Janss Corporation in 1980. During his tenure, the firm developed projects reported at approximately $160 million in total value. The Janss Investment Company ultimately ceased operations in 1995. Although the operating company is defunct, the communities, commercial buildings, neighborhoods, resort properties, and institutional landscapes associated with the Janss family remain significant features of Southern California and Western American development history.

1. 1995Operations end

   The Janss Investment Company ceased operations after roughly a century of activity.

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2. 1980William Janss Jr. becomes president

   William Janss Jr., M.D., took leadership of Janss Corporation as president.

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3. 1929Janss Dome opens

   The Janss Investment Company Building opened in Westwood Village and became a prominent local landmark.

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4. 1925Land is sold for UCLA

   Approximately 375 acres were sold to the cities facilitating the creation of UCLA’s Westwood campus.

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5. 1919Land for Thousand Oaks is acquired

   The Janss family acquired approximately 10,000 acres in the Conejo Valley, later used in the development of Thousand Oaks.

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6. 1909Yorba Linda is subdivided

   The Janss family subdivided approximately 3,500 acres from the Bernardo Yorba Rancho Cañón de Santa Ana property and named the resulting town Yorba Linda.

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7. 1906Peter Janss and his sons establish the investment enterprise

   Peter Janss joined with Edwin Janss Sr. and Harold Janss to organize the family’s investment and subdivision activities.

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8. 1893Peter Janss moves to Los Angeles

   Peter Janss relocated from the Midwest to Los Angeles, initially intending to practice medicine before entering real-estate development.

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Family-controlled Southern California land development focused on community planning, residential expansion, commercial districts, and institution-linked urban growth.

• Westwood VillageCommercial district and surrounding residential development1925

  Developed after the sale of land for UCLA, Westwood Village became the principal commercial center adjacent to the university. The Janss Investment Company developed retail buildings and surrounding residential neighborhoods, creating a planned district that connected institutional activity with shopping, services, and housing. The Janss Dome, the company’s former headquarters, remains one of the area’s best-known historic buildings.

• Yorba LindaPlanned residential community1909

  Yorba Linda originated from the subdivision of approximately 3,500 acres taken from the Bernardo Yorba Rancho Cañón de Santa Ana property. The Janss family gave the new town its name and helped convert a large ranch holding into a planned Southern California community.

• Thousand OaksMaster-planned suburban community

  Thousand Oaks was developed on approximately 10,000 acres in the Conejo Valley acquired by the Janss family in 1919. The project helped transform the valley into a major suburban community and represented the family’s later-generation move toward large-scale regional planning.

• Janss DomeCommercial and office building1929

  Opened in 1929 as the Janss Investment Company Building, the Janss Dome served as the family firm’s headquarters in Westwood Village. Its distinctive design and central location made it an enduring landmark of the district.

• Sun ValleySki resort development

  Edwin Janss Jr. and Bill Janss were involved in the expansion or development of Sun Valley, Idaho, as part of the family’s diversification into destination and recreational real estate. The property was sold in the late 1970s.

• SnowmassSki resort development

  The Janss family also participated in developing or expanding Snowmass in Colorado. This resort activity extended the family’s portfolio beyond residential and commercial property into major Western recreational developments. The resort was sold in the late 1970s.

• 1925Sell land for the UCLA campus and develop the surrounding districtStrategy

  The cities of Los Angeles, Santa Monica, Venice, and Beverly Hills sought a site for the University of California’s Los Angeles campus. Janss Investment Company controlled a large ranch property in the area.

  What changed. The company sold approximately 375 acres to the participating cities at a reported price of $1.2 million. It retained surrounding land and proceeded to develop Westwood Village and nearby residential neighborhoods.

  Aftermath. The transaction helped establish UCLA in Westwood while enabling the Janss family to shape the commercial and residential environment around the new campus.

  Reported land-sale price. $1.2 million (1925)

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• 1938Dispute over sale to Chi Alpha DeltaControversy

  An Asian American sorority, Chi Alpha Delta, sought to purchase the UCLA Religious Conference building for use by its members and students. Although the university appeared willing to sell, opposition within the Janss-related ownership interests reportedly objected to selling the property to Asian Americans. The episode illustrates the discriminatory restrictions and racial exclusion associated with property around Westwood during the period.

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• 1995Janss Investment Company ceases operations

  The family-run real-estate company ended operations after approximately a century of development activity.

  Bankruptcy
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• 1980William Janss Jr. becomes president of Janss Corporation

  William Janss Jr. took over leadership of the family business as president during its final operating period.

  Leadership change
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• 1929Janss Dome opens in Westwood Village

  The company’s headquarters building in Westwood Village opened and became a lasting architectural landmark associated with the district’s commercial identity.

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• 1925Janss family sells land for the future UCLA campus

  The Janss Investment Company sold approximately 375 acres to the cities involved in establishing UCLA, helping make possible the university’s Westwood campus.

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1. Janss Investment Company