Engineering & architecture in California
12,160 engineering & architecture listed across 586 cities in California.
Engineering & architecture make up 0.9% of California listings, compared with 0.7% across all states we cover. That ranks California #2 of 5 states for this category.
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USA Business Search lists 12,160 engineering & architecture in California. The most are in Los Angeles (898), San Francisco (887), San Diego (767).
Updated October 2026Engineering & architecture by city
Los Angeles (898)San Francisco (887)San Diego (767)Irvine (377)San Jose (306)Sacramento (258)Oakland (240)Pasadena (146)Berkeley (144)Santa Barbara (130)Fresno (127)Santa Ana (125)Newport Beach (125)Long Beach (125)Santa Clara (116)Anaheim (116)Bakersfield (114)Glendale (109)Riverside (103)San Luis Obispo (102)Costa Mesa (102)Walnut Creek (94)Santa Rosa (92)Santa Monica (88)Ventura (83)Orange (79)Torrance (77)Carlsbad (76)Corona (72)Roseville (69)Pleasanton (69)Culver City (69)Temecula (66)Tustin (64)Fremont (64)Van Nuys (62)San Rafael (62)Concord (60)Burbank (58)Santa Cruz (57)Modesto (57)Huntington Beach (56)Redding (53)Campbell (53)Sunnyvale (52)Ontario (52)Rancho Cucamonga (50)Palo Alto (49)San Ramon (47)Napa (47)Chico (47)Lake Forest (46)Palm Desert (45)Camarillo (45)Sherman Oaks (44)El Cajon (44)Stockton (43)Woodland Hills (42)Rancho Cordova (41)Fullerton (41)Monterey (39)Santa Clarita (38)San Mateo (38)Mountain View (38)Escondido (38)San Marcos (37)Redwood City (37)Brea (37)Beverly Hills (37)Laguna Hills (36)Laguna Beach (36)Grass Valley (36)Folsom (36)Clovis (36)Burlingame (36)Hayward (35)Santa Fe Springs (34)San Clemente (34)La Jolla (34)El Segundo (34)Sausalito (33)Livermore (33)Rocklin (32)Oceanside (32)Gardena (32)Visalia (31)Valencia (31)Emeryville (31)Chino (31)Novato (30)Murrieta (30)Alameda (30)San Carlos (29)San Bernardino (29)Santa Maria (28)Redlands (28)Chatsworth (28)Vista (27)Upland (27)Thousand Oaks (27)Menlo Park (27)San Leandro (26)Salinas (26)Los Gatos (26)Encinitas (26)Redondo Beach (25)Auburn (25)Westlake Village (24)Venice (24)Simi Valley (24)Mission Viejo (24)Solana Beach (23)Petaluma (23)Manhattan Beach (23)Yorba Linda (22)Sonoma (22)Placentia (22)Palm Springs (22)Lafayette (22)El Dorado Hills (22)Davis (22)West Sacramento (21)West Hollywood (21)Poway (21)Milpitas (21)Mill Valley (21)Encino (21)Carson (21)Calabasas (21)Benicia (21)Truckee (20)Richmond (20)Paso Robles (20)La Mesa (20)Fairfield (20)Alhambra (20)Oxnard (19)Lancaster (19)Garden Grove (19)Fontana (19)Diamond Bar (19)Chula Vista (19)Arcadia (19)Tarzana (18)Rancho Santa Margarita (18)Monrovia (18)Marina del Rey (18)Fountain Valley (18)City of Industry (18)Vacaville (17)Moorpark (17)Lodi (17)Goleta (17)Dublin (17)Danville (17)Atascadero (17)Signal Hill (16)Pleasant Hill (16)North Hollywood (16)Nevada City (16)Agoura Hills (16)Ukiah (15)Palmdale (15)Morgan Hill (15)Monterey Park (15)Malibu (15)Los Altos (15)Hermosa Beach (15)Canoga Park (15)South San Francisco (14)South Pasadena (14)Sebastopol (14)Pomona (14)Inglewood (14)Colton (14)Cerritos (14)Yuba City (13)Watsonville (13)Oakdale (13)Northridge (13)Newark (13)Elk Grove (13)Commerce (13)Claremont (13)Arroyo Grande (13)West Covina (12)San Fernando (12)La Habra (12)Hesperia (12)Healdsburg (12)Eureka (12)El Centro (12)Cypress (12)Cupertino (12)Covina (12)Aliso Viejo (12)Vallejo (11)Studio City (11)Sonora (11)San Pedro (11)San Gabriel (11)San Anselmo (11)Newbury Park (11)Merced (11)Laguna Niguel (11)Downey (11)Walnut (10)Union City (10)Sun Valley (10)Scotts Valley (10)San Dimas (10)Hollister (10)Del Mar (10)Dana Point (10)Buena Park (10)Brentwood (10)Apple Valley (10)Yucaipa (9)Whittier (9)Westminster (9)Spring Valley (9)Seal Beach (9)San Juan Capistrano (9)Rohnert Park (9)Rancho Mirage (9)Ojai (9)Manteca (9)Hawthorne (9)Gold River (9)Glendora (9)Gilroy (9)El Monte (9)Arcata (9)Antioch (9)Saratoga (8)Santee (8)Saint Helena (8)Rolling Hills Estates (8)Placerville (8)Paramount (8)Pacific Palisades (8)National City (8)Moreno Valley (8)Madera (8)Los Alamitos (8)Larkspur (8)La Mirada (8)La Crescenta (8)La Canada Flintridge (8)Indio (8)Fair Oaks (8)Compton (8)Citrus Heights (8)Carmichael (8)Windsor (7)Victorville (7)Turlock (7)San Marino (7)San Jacinto (7)Rosemead (7)Ramona (7)Orinda (7)Norco (7)Martinez (7)Lake Elsinore (7)Granite Bay (7)Coronado (7)Bishop (7)Belmont (7)Albany (7)Woodland (6)Tracy (6)Soquel (6)Ridgecrest (6)Reseda (6)Pittsburg (6)Pinole (6)Pico Rivera (6)Perris (6)Loomis (6)Foothill Ranch (6)Dixon (6)Castro Valley (6)Bellflower (6)Topanga (5)Seaside (5)Rialto (5)Porterville (5)Panorama City (5)Pacoima (5)North Highlands (5)Morro Bay (5)Moraga (5)Montrose (5)Montebello (5)Lincoln (5)Lakewood (5)La Puente (5)Jurupa Valley (5)Irwindale (5)Hanford (5)Half Moon Bay (5)Foster City (5)Diamond Springs (5)Cloverdale (5)Chino Hills (5)Cathedral City (5)Buellton (5)Aptos (5)Altadena (5)Wildomar (4)Vernon (4)Valley Center (4)Temple City (4)Stanton (4)St. Helena (4)South Gate (4)South el Monte (4)San Bruno (4)Red Bluff (4)Rancho Palos Verdes (4)Playa del Rey (4)Pacifica (4)Mission Hills (4)Los Osos (4)Lompoc (4)Lomita (4)Lakeport (4)Ladera Ranch (4)Huntington Park (4)Fortuna (4)Fort Bragg (4)Daly City (4)Cotati (4)Ceres (4)Carpinteria (4)Carmel Valley (4)Carmel-By-The-Sea (4)Carmel (4)Winnetka (3)Wilmington (3)West Hills (3)Tulare (3)Tiburon (3)Tehachapi (3)Tahoe City (3)Sylmar (3)Sunland (3)South Lake Tahoe (3)Solvang (3)Smartsville (3)Shingle Springs (3)Shafter (3)Santa Paula (3)San Andreas (3)Rancho Santa Fe (3)Pacific Grove (3)Orangevale (3)Oakhurst (3)Montclair (3)Middletown (3)Marysville (3)Mariposa (3)Lynwood (3)Los Banos (3)Lakeside (3)La Verne (3)Imperial (3)Hollywood (3)Hercules (3)Grover Beach (3)Fallbrook (3)Fairfax (3)El Cerrito (3)Eastvale (3)Crescent City (3)Corona del Mar (3)Cardiff by the Sea (3)Capitola (3)Cameron Park (3)Calexico (3)Bonsall (3)Bloomington (3)Bermuda Dunes (3)Baldwin Park (3)Azusa (3)Anderson (3)Alamo (3)Agua Dulce (3)Yucca Valley (2)Woodside (2)Winters (2)Willits (2)Valley Springs (2)Tujunga (2)Thousand Palms (2)Suisun City (2)Stanford (2)Shadow Hills (2)Rowland Heights (2)
Showing the 400 cities with the most engineering & architecture. Use search to find any other town.
Well-documented engineering & architecture in California
A sample of listings with a street address, phone number and website, one per city.
Partner Engineering And Science, Inc
Gensler
SDG Architects
Dyson Janzen Architects, Inc.
Environ Architecture
Kelley Engineering & Surveying
J & M Air Conditioning & Heating
Permit Place - Easy Permits Nationwide
Diversified Project Services International
Hok
Ez Plans Architects
How to choose an engineering firm in California
- Ask who will actually do the work and how often you'll hear from them.
- Get the scope, price and timeline in writing.
- Ask for two references from clients like you.
Check the license: Board for Professional Engineers, Land Surveyors, and Geologists.
Common questions
How many engineering & architecture are listed in California?
USA Business Search lists 12,160 engineering & architecture across 586 California cities and towns.
Which California cities have the most engineering & architecture?
Los Angeles (898), San Francisco (887), San Diego (767), Irvine (377), San Jose (306).
How do I choose an engineering firm in California?
Ask who will actually do the work and how often you'll hear from them. Get the scope, price and timeline in writing. Check the license with the Board for Professional Engineers, Land Surveyors, and Geologists.
How do I add or fix a listing?
Listings are free. Use Add your business, or the Claim or fix link on any listing.