| Name | Image | Built | Location | City, State | Notes | Listing |
| Asilomar Conference Grounds | | 1913 | 800 Asilomar Boulevard
| Pacific Grove, California | Originally a YWCA retreat; now the Asilomar State Beach | NHLD |
| Berkeley Baptist Divinity School | | 1919 | 2606 Dwight Way
| Berkeley, California | Now Hobart Hall at Berkeley School of Theology; part of the Graduate Theological Union | BL |
| Berkeley Student Cooperative | | 1905 | 2732 Durant Avenue
| Berkeley, California | Morgan designed three family houses in 1905, 1911, and 1913; BSC later purchased and renamed them to provide student housing | |
| Berkeley Women's City Club | | 1929 | 2315 Durant Avenue
| Berkeley, California | Now the Berkeley City Club | NRHP |
| Miss Burke's School | | 1917 | 3065 Jackson Street
| San Francisco, California | Institution renamed to Katherine Delmar Burke School; building now part of the San Francisco University High School | |
| Margaret Carnegie Library | | 1904 | Oval Circle
| Oakland, California | Part of Mills College | |
| Chapel of the Chimes | | 1909 | 4499 Piedmont Avenue
| Oakland, California | Built as California Electric Crematory in 1909; Morgan designed chapel addition in 1928 | ODL |
| Chinatown YWCA | | 1932 | 965 Clay Street
| San Francisco, California | Now the Chinese Historical Society of America | SFDL |
| Emanu-el Residence Club | | 1922 | 300 Page Street
| San Francisco, California | Residence hall for Jewish-American women; now the San Francisco Zen Center | |
| Fairmont Hotel | | 1907 | 950 Mason Street
| San Francisco, California | Morgan engineered structural repairs after the 1906 San Francisco earthquake | NRHP |
| Foothill Study Club | | 1914 | 20399 Park Place
| Saratoga, California | Now the Saratoga Foothill Club | NRHP |
| Girton Hall | | 1911 | 200 Centennial Drive
| Berkeley, California | Now the Julia Morgan Hall at the University of California Botanical Garden | NRHP |
| Goethe House | | 1924 | 3731 T Street
| Sacramento, California | Now the Julia Morgan House at California State University, Sacramento | NRHP |
| Gum Moon | | 1912 | 940 Washington Street
| San Francisco, California | Women's Missionary Society of the Pacific Coast residence hall for women and children | |
| Hacienda del Pozo de Verona | | 1898 | 707 Country Club Circle
| Pleasanton, California vicinity | Originally designed by A. C. Schweinfurth with later additions by Morgan; demolished in 1969 to build Castlewood Country Club | |
| Hearst Castle | | 1919 | 750 Hearst Castle Road
| San Simeon, California vicinity | Expansions continued through 1947; also known as La Cuesta Encantada, San Simeon, and Xanadu; now a state park | NHL |
| Hearst Greek Theatre | | 1903 | 2001 Gayley Road
| Berkeley, California | Designed by John Galen Howard with assistance from Morgan; part of University of California, Berkeley | NRHP |
| Hearst Gymnasium for Women | | 1927 | 2589 Bancroft Parkway
| Berkeley, California | Designed with Bernard Maybeck; now the Hearst Memorial Gymnasium which also houses the Phoebe A. Hearst Museum of Anthropology | NRHP |
| Hearst Memorial Mining Building | | 1907 | Hearst Mining Circle
| Berkeley, California | Designed by architect John Galen Howard with assistance from Morgan; part of the University of California, Berkeley | NRHP |
| Hollywood Studio Club | | 1925 | 1215 Lodi Place,
| Los Angeles | YWCA residence for aspiring actresses | NRHP |
| Hostess House | | 1918 | 27 University Avenue
| Palo Alto, California | YWCA building relocated from Camp Fremont; now the MacArthur Park Restaurant | NRHP |
| Japanese YWCA | | 1932 | 1830 Sutter Street
| San Francisco, California | Now the Nihonmachi Little Friends | NRHP |
| KYA Transmitter | | 1937 | 34 Bayview Park Road
| San Francisco, California | Located in Bayview Park; station now named KSFB | |
| Ladies Protection and Relief Society Building | | 1925 | 3400 Laguna Street
| San Francisco, California | Now known as the Julia Morgan Building, part of the San Francisco Ladies Protection and Relief Society's Heritage on the Marina project | SFDL |
| Merchants Exchange | | 1904 | 465 California Street
| San Francisco, California | Willis Polk led repairs after the 1906 San Francisco earthquake while Morgan assisted by replacing damaged interiors | |
| Mills College | | 1904 | 5000 MacArthur Boulevard
| Oakland, California | Morgan designed the El Campanil, Kapiolani Cottage Infirmary, and the Student Union ; campus now part of Northeastern University | |
| Milpitas Hacienda | | 1930 | 101 Infantry Road
| Jolon, California vicinity | Alternatively known as the Milpitas Ranch House, Hacienda Guest Lodge, Milpitas Ranchhouse, and The Hacienda; now part of Fort Hunter Liggett | NRHP |
| Ming Quong Home for Chinese Girls | | 1924 | Underwood Avenue
| Oakland, California | Later part of Mills College as Alderwood Hall, Geranium Cottage, Graduate House, and then Mills Conference Center; now the Julia Morgan School for Girls | |
| Neptune Pool | | 1936 | 750 Hearst Castle Road
| San Simeon, California vicinity | On the grounds of Hearst Castle | |
| North Star House | | 1905 | 12075 Old Auburn Road
| Grass Valley, California vicinity | Also known as Foote Mansion | NRHP |
| Occidental Board Presbyterian Mission House | | 1908 | 920 Sacramento Street
| San Francisco, California | Now the Donaldina Cameron House | SFDL |
| Ocean House | | 1929 | 415 Pacific Coast Highway
| Santa Monica, California | Home of Marion Davies, also known as the Beach House; demolished in 1956 and now the site of the Annenberg Community Beach House | |
| Potrero Hill Neighborhood House | | 1922 | 953 DeHaro Street
| San Francisco, California | Morgan also designed the 1930 kindergarten building; now known as The Nabe; | SFDL |
| St. John's Presbyterian Church | | 1910 | 2640 College Avenue
| Berkeley, California | Now the Julia Morgan Theater | NRHP |
| Sausalito Woman's Club | | 1918 | 120 Central Avenue
| Sausalito, California | Listed as Sausalito’s first municipal landmark in 1976 | NRHP |
| Alfred E. Warren House | | 1922 | 341 Mansion Ave
| Chico, California | Now the President's Mansion at California State University, Chico | |
| Seldon Williams House | | 1928 | 2821 Claremont Boulevard
| Berkeley, California | Now the Julia Morgan House at the University of California; | |
| Wyntoon | | 1935 | 1 Wyntoon Road
| McCloud, California vicinity | Originally designed by Bernard Maybeck; Morgan added Cinderella, Bear and Sleeping Beauty houses in a Bavarian style | |
| YWCA Building | | 1922 | 1660 M Street
| Fresno, California | Now part of the Marjaree Mason Center | NRHP |
| YWCA Building | | 1915 | 1515 Webster Street
| Oakland, California | Now part of Envision Schools | NRHP |
| YWCA Building | | 1929 | 3425 Mission Inn Avenue
| Riverside, California | Now the Riverside Art Museum | NRHP |
| YWCA Building | | 1927 | 1040 Richards Street
| Honolulu, Hawaii | Also known as Laniākea; | CP |