San Fernando Valley State College URBANIZATION of the SIMI
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San Fernando Valley State College URBANIZATION OF THE SIMI VALLEY 1950-1970 .A thesis submitted in partial satisfaction of the requirements for the degree of Master of Arts in Geography by Mark Kimball Hocking July, 1971 The thesis of Mark Kimball Hocking is approved: Committee Chairman San Fernando Valley State College ; ; __ ,________ , _______ _ lr, , I I To Carol i l __ _ ______ _ ____________ _____ iii TABLE OF CONTENTS • . DEDICATION .•..•� iii LIST OF TABLES •.•• . Vl LIST OF ILLUSTRATIONS • • • . viii ABSTRACT . • . • • • • • • . X INTRODUCTORY NOTE •• . xii HAPTER I(; I r. INTRODUCTION •••• . 1 I Overview -- . Related Studies Procedures II. THE GEOGRAPHIC SETTING. 7 Physical Settin g Relative Location Summary III. REG IONAL POPULATION GROWTH , 1950-1970 •. 14 Ventura County Growth in Relat ion to Urbanizat ion in the Los An geles Five-County Region Causes o£ Population Growth in Ventura County Forces Influencing Developers Forces Attracting Migrants Summary IV. THE SUBURBANIZATION OF SIMI VALLEY . 53 . Th e 1950-1970 Period Population Growth The ].960-1970 Period Population Growth Summary v. CAUSES OF URBAN DEVELOP MENT IN SIMI VA LLEY . 94 Owner and De. velo. per. Dec. isions. Land Supply Water Supply Accessibility Forces Attracting Migrants Hous:.i"ng Supply Accessibility i Employment Summary l__ _ VI. LAND USE • . 135 Summary VII. IMMEDIATE PROSPECTS AND CONCLUSIONS ••• 152 BIBLIOGRAPHY • • • • • • • • • • • • • • • • • 156 v LIST OF TABLES Table 1. Ventura County Population Growth 1880-1970 • . • • • • . • • • 16 2. Comparat ive Los An geles Five-County Region Population, 1950-1970. • • • 17 3. In-Migration, Los Angeles Five-County Region , 1950-1968 • • ••• 18 4. In-Migrat ion , Ventura County, 1950-1969 20 5. Comparat ive Population Growth , Los Angeles Five-County Region , 1950-1959 . 22 6. Ventura County Dwelling Units Authorized for Construction , 1950-1959 ••.. 26 7. 1970 Comparative Median House Values Selected Places • • • • • • • • • • . 33 8. Climatic Comparisons-Selected Places . 37 9. Comparative Densities per Square Mile , 1950-1970 ••••••••. 40 10. Manufacturing Employment Sources Eastern Ventura County, 1965 and 1970 • 44 11. Emp loyment Area of Primary Wage Earners , Conej o Valley and Simi Valley • • • 46 12. Population Dens ity Gradations , Simi Val ley to Glendale- 1950 • • • • • . 57 13 . Simi Area Population Growth , 1910-1960 •• 60 14. Population Dens ity Gradations , Simi Valley to Glendale-1960 • • • • • 61 vi r�·-------------�--------------------- ------------�------------------ -- ! 15. Populat ion Density Gradations , Simi Valley to Glendale-1970 . • •• 73 16 . Annual Comparative Growth , Ventura County and Simi Valley , 1960-1970 ••• 80 17. Comparative Populat ion Growth , Chats worth Statistical Area versus the Simi Valley , 1960-1969 •••••• 82 18. Subdivision Development : Simi Valley and Thousand Oaks , 1950-1965 ••••• 98 19. Comparat ive Building Trends , Simi Valley and Thousand Oaks , 1962 -1964 . 99 20. Comparat ive Populat ion Growth , Simi Valley and Thousand Oaks , 1960-1964 •• 100 21. Age of Simi Valley Residents-1970. 107 22 . Home Marketability by Price Range, 1968 , Fourth Quarter • o ••••. 108 23 . Average Daily Traffic Counts • . 115 24 . Simi Valley Annual Growth , 1967-1971 •• 121 25. Simi Planning Area-1966 Emp loyment • . 126 26 . Land Use-Simi Valley , 1964 and 1967 ••• 142 I I \ I i �----------�-------------------------------··-- ------·····-·-··· ··- ·----· -- - - -- ... - - LIST OF ILLUSTRATIONS Plate Page 1. Looking south toward Sinaloa Lake . May , 1971. 63 . 2. The western end of Simi Valley- October, 1959. 67 3. Looking west along the San Fernando Valley -Simi Valley Freeway Highway ( 118). May , 1971 . 69 . 4. Looking north toward Tapo Canyon. May , 1971 . 84 . 5. Looking northwest toward the Kadota Fig Farm Subdivision . May , 1971 . 86 6. The western end of Simi Valley, November , 1970 . 89 7. Looking north toward the remaining agriculture area . May , 1971 . 119 . 8. Looking south along Erringer Road . May , 1971. 140 9. Looking east along Los Angeles Avenue . May , 1971 . 145 . I Map 1. Simi Val ley Place Names . 8 2. Study Area Location . 11 3. Residential Development, 1951 . 54 4'. Residential Development , 1959. 65 ui i i 5. Residential Development, 1964. 74 6. Residential Development, 1959-1964 . 75 7. Residential Development, 1964-1967 . • • . 76 8. Residential Development, 1967-1970 . 77 9. Residential Development, 1970. 78 10. Simi Valley Land Use, 1970 . • 136 11. Simi Valley, 1951. • 148 ix ABSTRACT URBANIZATION OF THE SIMI VALLEY 1950-1970 by Mark Kimball Hocking Master of Arts in Geography July, 1971 The purpose of this study is to describe, analyze, ·and explain the population growth and landscape change in 'simi Valley, California, during the period of 1950 to 1970 in the context of regional urbanization. The dominant factors influencing population migration and the changing spatial patterns of land use are described and explained. Ventura County and Simi Valley are entwined in the Los Angeles Five-County Regional urbanization pattern. The growth rate in this region during the 1950-1970 study ~period was dramatic. The population increased 102 percent, from 4,934,246 to 9,972,037. Ventura County's rate was even faster, 228 percent, from 114,647 to 376,430. How ever, even these rates pale beside Simi Valley's 1,930 ~percent, from 3,011 to 61,150. This was an absolute gain X 1of over 58,000, fully 8,000 more than Oxnard, the county's largest city, gained in the same period of time. The major factors affecting growth included: available ,quantities of developable and relatively cheap land; new sources of water; new highways that increased accessi bility; large supplies of relatively cheap housing; region al employment sources; and amenities, such as a relative lack of crowding,traffic and pollution, and mild climate. This influx of people changed the formerly rural, agricultural landscape to an almost completely urbanized one by 1970. The twenty square mile valley floor was ~ominated in 1970 by single-family subdivisions and rather substantial retail developments. At the close of the study period, a city of 56,464 had been formed in Simi Valley, and transformation to an urban landscape was nearly complete. xi This is no mining boom based upon ledges that can be pinched out or worked out. This is no oil boom ••• the supply of which can readily exceed the demand. This is no boom based on wheat deals or pork corners ••• or railway com binations or other devices of man. This boom is based on the simple £act that hereabouts the good Lord has created conditions of climate and health and beauty such as can be found nowhere else ••• and until every acre of this earthly para dise is occupied, the influx will continue •••• Carey McWilliams Southern California Country, 1946. xii CHAPTER I INTRODUCTION The purpose of this study is to describe, analyze, and explain Simi Valley population growth•and landscape change between 1950 and 1970 in the context of regional growth. The dominant factors causing population migration will be set out in some detail. The spatial pattern of urbanization is described and explained so that findings from this study will make a contribution to the existing literature on the process of suburbanization. Overview In a short twenty-year span between 1950 and 1970, the Simi Valley was almost totally changed from a rural to an urbanized landscape. In 1950, th~ valley was typical of the famous Southern California citriculture landscape de- picted glowingly throughout the nation in early advertise- ments similar to the following: The Simi Rancho is the largest single body of land in Southern California which is now on the market in small tracts. It is nearly all in Ventura County, though a part of the 96,000 acres is in Los Angeles County. The Rancho contains 20,000 acres of first class farming and fruit lands in the valley; 20,000 1 acres of good hill lands suitable for vines, fruit trees, and olives; about 40,000 acres of stock ranges; and the remainder is rough mountain land from which the water supply is drawn. The price runs from $5.00 to $60.00 per acre. The cheap land is suitable for stock growing, and the best of the valley land can be had at $60.00. Good fruit and grain land is sold from $40.00 to $60.00. The terms 1 of sale are reasonable to actual settlers. The valley was agricultural, dominated by walnut and citrus orchards, by large acreages of avocados, apricots and other deciduous orchard trees, and by fields of beans, wheat, barley, and various truck crops. The valley floor was dotted with neat farmhouses set amongst the groves, and with occasional patches of urban environment. The land- 1 scape was relatively stable throughout the early fifties, but it was soon transformed into a pulsating sea of homo- geneous subdivided segments. The encroachment of a cityscape into a previously rural landscape has occurred many times across the country. Jean Gottman has observed that, "The push of the residen- rtial expansion toward the periphery is a logical and centuries-old trend in large urban centers, observed in many cities around the world."2 Similar successions of events have occurred frequently at the ever-expanding edge of the Los Angeles Five-County Region, but seldom has ur- banization engulfed an entire valley the size of Simi with such lightning quick change. The rapid suburbanization of an agricultural, rural landscape, then, is the subject of study here. Related Studies There have been no detailed explanatory studies of Simi Valley urbanization from 1950-1970. There are extant only cursory, peripheral comments available primarily in Ventura County Planning Department publications and in several other sources. However, a few other studies have been made. These include a basically descriptive one entitled, "The Changing Landscape of the Simi Valley, California from 1795 to 1968," by Crane Miller {M.A. thesis, UCLA). In 1953, Richard Lonsdale studied Simi Valley's water problems {M.A. thesis, UCLA). This work contributed much to the under standing of the role of water in the urbanization of Simi Valley.