Hair Follicle Drug Testing Gardena, CA
Accredited Drug Testing Inc provides Hair Follicle drug testing Gardena, CA for individuals and employers needing a drug test utilizing the hair follicle analysis process. To schedule a hair follicle drug test in Gardena, CA, Call (800) 221-4291. Most testing centers are within minutes of your home or office.
Hair follicle drug testing Gardena, CA is available for 5, 10, and 12 panel drug screenings.
To schedule a Hair Follicle Drug Test at one of our testing centers in the Grady county area, Call (800) 221-4291, Same Day Service Available. Testing centers do not require an appointment, but you must call and register for the test.
Hair follicle drug testing is becoming a more popular method by employers and individuals in need of a drug test due to the detection time frame being longer than a standard urine test.
Local Hair follicle drug testing Gardena, CA centers are available to assist our clients throughout the entire process and all of our hair follicle drug testing Gardena, CA facilities have certified drug testing technicians available to conduct a hair follicle drug test collection.
Hair Follicle Drug Test
In recent years the method to conduct drug testing has more frequently included a hair follicle drug test. Many employers, courts and Substance Abuse Professionals are requiring a hair follicle drug test instead of a standard urine test. Hair follicle drug tests are used by employers who have zero-tolerance drug use policies, courts and individuals on probation. The primary benefit of a hair follicle drug test includes a much longer detection period for drug use which typically is up to 90 days. However, when screening drug use within the last 5 days the urine test continues to be the most accurate test.
Hair Follicle Drug Test Process
The procedure used to perform a hair follicle test is simple, the drug testing specialist will cut approximately 120 strands of hair (not really a lot) utilize a chain of custody procedure and send the hair to a certified laboratory for analysis. Drug testing centers require at least 1.5 inches of hair to perform this test and the hair generally needs to come from the head, however if the donor does not have head hair certain testing centers can use hair from chest, leg or arm pit.
If a donor has no hair on their body, than a hair test cannot be performed!
Hair Follicle Drug Test Results
Once the hair follicles have been analyzed by a certified laboratory they will then be reviewed and then verified by a Medical Review Officer (licensed Physician) who will than release the results. Generally a negative hair follicle drug test result is available in 2-3 days. A non-negative hair follicle drug test is available in approximately 5 days.
Urine cut-off levels are expressed in nanograms per milliliter (ng/mL) or as a weight of drug per unit volume of urine. Hair cut-off levels are expressed in picograms per milligram (pg/mg) or as a weight of drug per unit weight of hair
5 Panel Hair Follicle Drug Test
The 5 panel hair follicle drug test screens for the following
- Amphetamine
- Cocaine
- Marijuana
- Opiates
- Phencyclidine
5 Panel w/ Expanded Opiates Hair Follicle Drug Test
The 5 panel w/ expanded Opiates hair drug test screens for the standard 5 drugs but will also screen for Opiate class drugs such as pain killers, which may indicate abuse of prescription drugs
- Amphetamine
- Cocaine
- Codeine
- Marijuana
- Morphine
- Phencyclidine
- Hydrocodone
- Hydromorphone
- Oxycodone
- Oxymorphone
- 6 AM- Heroine
10 Panel Hair Follicle Drug Test
The 10 panel hair follicle drug test screens for the following
- Amphetamines
- Barbiturates
- Benzodiazepines
- Cocaine
- Marijuana
- Methadone
- Methamphetamine
- Opiates
- Phencyclidine
- Propoxyphene
12 Panel Hair Follicle Drug Test
The 12 panel hair follicle drug test screens for the following
- Amphetamines
- Barbiturates
- Benzodiazepines
- Cocaine
- Marijuana
- Meperidine
- Methadone
- Opiates
- Oxycodone
- Phencyclidine
- Propoxyphene
- Tramadol
To schedule a Hair follicle Drug Testing Gardena, CA Call (800)221-4291.
Accredited Drug Testing Inc. is pleased to provide hair follicle drug testing, alcohol testing, occupational health and DNA testing services in Gardena, CA.
1300 W 155TH ST STE 109 0.6 miles
GARDENA, CA 90247
16630 S BROADWAY ST 1.8 miles
GARDENA, CA 90248
15401 S MAIN ST 1.9 miles
GARDENA, CA 90248
14619 PRAIRIE AVE 2.0 miles
LAWNDALE, CA 90260
2301 W EL SEGUNDO BLVD 2.2 miles
HAWTHORNE, CA 90250
1149 W 190TH ST 2.3 miles
GARDENA, CA 90248
4253 REDONDO BEACH BLVD 2.6 miles
LAWNDALE, CA 90260
11152 S MAIN ST 3.7 miles
LOS ANGELES, CA 90061
11633 HAWTHORNE BLVD #215 3.8 miles
HAWTHORNE, CA 90250
21081 S WESTERN AVE STE 150 3.8 miles
TORRANCE, CA 90501
20401 AVALON BLVD STE C 3.8 miles
CARSON, CA 90746
455 E CARSON PLAZA DR 3.9 miles
CARSON, CA 90746
2499 S WILMINGTON AVE 4.3 miles
COMPTON, CA 90220
21320 HAWTHORNE BLVD STE 227 4.5 miles
TORRANCE, CA 90503
4101 TORRANCE BLVD 4.5 miles
TORRANCE, CA 90503
520 N Prospect Ave Ste 305, 4.7 miles
Redondo Beach, CA 90277
920 N NASH ST 5.3 miles
EL SEGUNDO, CA 90245
390 N SEPULVEDA BLVD STE 1000 5.5 miles
EL SEGUNDO, CA 90245
3330 LOMITA BLVD 5.6 miles
TORRANCE, CA 90505
19301 S SANTA FE AVE Ste 120 5.7 miles
COMPTON, CA 90221
23441 Madison St Ste 300, 5.7 miles
Torrance, CA 90505
1700 E WALNUT AVE 5.8 miles
EL SEGUNDO, CA 90245
23601 AVALON BLVD Ste 104 5.9 miles
CARSON, CA 90745
23441 MADISON ST.BLD8,STE 110 5.9 miles
TORRANCE, CA 90505
6033 W CENTURY BLVD STE 200 6.2 miles
LOS ANGELES, CA 90045
3611 MLK Blvd STE 108 6.4 miles
LYNWOOD, CA 90262
9601 S SEPULVEDA BLVD 6.5 miles
LOS ANGELES, CA 90045
8930 S SEPULVEDA BLVD STE 200 6.8 miles
LOS ANGELES, CA 90045
8800 S SEPULVEDA BLVD STE 8 6.9 miles
LOS ANGELES, CA 90045
8726 S SEPULVEDA BLVD 7.0 miles
LOS ANGELES, CA 90045
25965 NORMANDIE AVE FL 1 7.1 miles
HARBOR CITY, CA 90710
5862 AVALON BLVD 7.3 miles
LOS ANGELES, CA 90003
7300 ALONDRA BLVD STE 108 7.9 miles
PARAMOUNT, CA 90723
5525 W SLAUSON AVE 8.0 miles
LOS ANGELES, CA 90056
6529 SEVILLE AVE 8.0 miles
HUNTINGTON PARK, CA 90255
16444 PARAMOUNT BLVD 8.6 miles
PARAMOUNT, CA 90723
16660 PARAMONT BLVD STE 102 8.6 miles
PARAMOUNT, CA 90723
482 W WILLOW ST 8.6 miles
LONG BEACH, CA 90806
2776 PACIFIC AVE 8.7 miles
LONG BEACH, CA 90806
2101 MAGNOLIA AVE 9.0 miles
LONG BEACH, CA 90806
2750 ATLANTIC AVE 9.1 miles
LONG BEACH, CA 90806
4580 PACIFIC BLVD 9.2 miles
VERNON, CA 90058
3320 S HILL ST 9.3 miles
LOS ANGELES, CA 90007
2231 S WESTERN AVE 9.7 miles
LOS ANGELES, CA 90018
5205 Lakewood Blvd 9.9 miles
Lakewood, CA 90712
5203 LAKEWOOD BLVD 9.9 miles
LAKEWOOD, CA 90712
1250 PACIFIC AVE 9.9 miles
LONG BEACH, CA 90813
3851 S SOTO ST 9.9 miles
VERNON, CA 90058
3688 S Soto St 9.9 miles
Vernon, CA 90058
9353 IMPERIAL HWY GARDEN MEDICAL OFFICE,3RD FLOOR 9.9 miles
DOWNEY, CA 90242
1907 E WASHINGTON BLVD 9.9 miles
LOS ANGELES, CA 90021
12001 W WASHINGTON BLVD 9.9 miles
LOS ANGELES, CA 90066
12212 W WASHINGTON BLVD 10.1 miles
LOS ANGELES, CA 90066
1050 LINDEN AVE Ste 887 10.3 miles
LONG BEACH, CA 90813
1360 W 6TH ST STE 190 10.3 miles
SAN PEDRO, CA 90732
1294 W 6th St Ste 206, 10.3 miles
San Pedro, CA 90731
5220 CLARK AVE STE 445 10.3 miles
LAKEWOOD, CA 90712
3364 E SLAUSON AVE 10.4 miles
VERNON, CA 90058
1300 W 7TH ST 10.4 miles
SAN PEDRO, CA 90732
1400 S GRAND AVE STE 612 10.6 miles
LOS ANGELES, CA 90015
11411 BROOKSHIRE AVE STE 408 10.7 miles
DOWNEY, CA 90241
5971 VENICE BLVD FL 4 11.0 miles
LOS ANGELES, CA 90034
929 GEORGIA ST 11.2 miles
LOS ANGELES, CA 90015
2476 S ATLANTIC BLVD 11.3 miles
COMMERCE, CA 90040
100 Oceangate, P245 11.4 miles
LONG BEACH, CA 90802
On-site only 11.4 miles
Long Beach, CA 90802
1313 W 8TH ST ste 100 11.4 miles
LOS ANGELES, CA 90017
420 E 3rd St Ste 802, 11.6 miles
Los Angeles, CA 90013
1703 TERMINO AVE, STE 102 11.6 miles
LONG BEACH, CA 90804
1720 TERMINO AVE 11.6 miles
LONG BEACH, CA 90804
1127 Wilshire Blvd Ste 203&204, 11.7 miles
Los Angeles, CA 90017
1225 WILSHIRE BLVD 11.7 miles
LOS ANGELES, CA 90017
3430 GARFIELD AVE 11.7 miles
LOS ANGELES, CA 90040
333 S HOPE ST STE C145 11.8 miles
LOS ANGELES, CA 90071
124 N VIGNES ST 11.9 miles
LOS ANGELES, CA 90012
3545 WILSHIRE BLVD STE 325 12.0 miles
LOS ANGELES, CA 90010
6538 TELEGRAPH RD 12.0 miles
LOS ANGELES, CA 90040
132 S BEAUDRY AVE 12.2 miles
LOS ANGELES, CA 90012
5455 WILSHIRE BLVD STE 1802 12.2 miles
LOS ANGELES, CA 90036
2131 W 3RD ST Ste 4 12.2 miles
LOS ANGELES, CA 90057
8512 Whitworth Dr 12.3 miles
LOS ANGELES, CA 90035
169 S ALVARADO ST STE 101 12.4 miles
LOS ANGELES, CA 90057
8337 TELEGRAPH RD STE 104 12.4 miles
PICO RIVERA, CA 90660
11560 W PICO BLVD 12.6 miles
LOS ANGELES, CA 90064
823 N BROADWAY 12.7 miles
LOS ANGELES, CA 90012
8501 Wilshire Blvd Suite 305, 12.9 miles
Beverly Hills, CA 90211
110 N LA BREA AVE 13.0 miles
INGLEWOOD, CA 90301
8700 BEVERLY BLVD 13.7 miles
WEST HOLLYWOOD, CA 90048
11817 TELEGRAPH RD 13.7 miles
SANTA FE SPRINGS, CA 90670
1908 SANTA MONICA BLVD STE 5 13.8 miles
SANTA MONICA, CA 90404
2121 SANTA MONICA BLVD 13.8 miles
SANTA MONICA, CA 90404
1250 16TH ST 14.0 miles
SANTA MONICA, CA 90404
2300 W BEVERLY BLVD 14.0 miles
MONTEBELLO, CA 90640
11645 WILSHIRE BLVD STE 830 14.1 miles
LOS ANGELES, CA 90025
1253 VINE ST ste 19A 14.2 miles
LOS ANGELES, CA 90038
1300 N VERMONT AVE 14.3 miles
LOS ANGELES, CA 90027
1300 N LA BREA AVE 14.4 miles
HOLLYWOOD, CA 90028
209-1 Takashiho Yomitan Village 14.4 miles
SANTA MONICA, CA 90403
11611 SAN VICENTE BLVD 14.5 miles
LOS ANGELES, CA 90049
757 WESTWOOD PLZ 14.5 miles
LOS ANGELES, CA 90095
13440 IMPERIAL HWY 14.7 miles
SANTA FE SPRINGS, CA 90670
309 W BEVERLY BLVD 14.8 miles
MONTEBELLO, CA 90640
10861 CHERRY ST STE 202 15.0 miles
LOS ALAMITOS, CA 90720
5451 LA PALMA AVE STE 24 15.8 miles
LA PALMA, CA 90623
12385 WASHINGTON BLVD 15.8 miles
WHITTIER, CA 90606
12401 WASHINGTON BLVD 15.9 miles
WHITTIER, CA 90602
40 CENTERPOINTE DR 16.0 miles
LA PALMA, CA 90623
15330 VALLEY VIEW AVE STE 1 16.1 miles
LA MIRADA, CA 90638
16700 VALLEY VIEW AVE STE 180 16.1 miles
LA MIRADA, CA 90638
16702 VALLEY VIEW AVE 16.1 miles
LA MIRADA, CA 90638
12462 PUTNAM ST ste 402 16.1 miles
WHITTIER, CA 90602
1526 N EDGEMONT ST FL 1 16.5 miles
LOS ANGELES, CA 90027
222 W EULALIA ST STE 101 16.7 miles
GLENDALE, CA 91204
100 S RAYMOND AVE 16.8 miles
ALHAMBRA, CA 91801
801 S Chevy Chase Dr Ste 50, 17.6 miles
Glendale, CA 91205
801 S CHEVY CHASE DR 17.6 miles
GLENDALE, CA 91205
15141 Whittier Blvd Ste 125, 18.0 miles
Whittier, CA 90603
432 W BROADWAY 18.0 miles
GLENDALE, CA 91204
940 E MAIN ST 18.3 miles
ALHAMBRA, CA 91801
230 N MARYLAND AVE STE 110 18.3 miles
GLENDALE, CA 91206
501 S BUENA VISTA ST 18.5 miles
BURBANK, CA 91505
2701 W ALAMEDA AVE STE 203 18.7 miles
BURBANK, CA 91505
544 N GLENDALE AVE 18.7 miles
GLENDALE, CA 91206
416 W LAS TUNAS DR, STE 204 18.8 miles
SAN GABRIEL, CA 91776
9350 FLAIR DR Ste 102 18.9 miles
EL MONTE, CA 91731
330 W. LAS TUNAS DR. STE 2 18.9 miles
SAN GABRIEL, CA 91776
12801 CROSSROADS PKWY S Ste 150 18.9 miles
CITY OF INDUSTRY, CA 91746
221 E GLENOAKS BLVD STE 130 19.0 miles
GLENDALE, CA 91207
2814 W LINCOLN AVE 19.0 miles
ANAHEIM, CA 92801
50 ALESSANDRO PL. SUITE A10 19.0 miles
PASADENA, CA 91105
100 W CALIFORNIA BLVD 19.3 miles
PASADENA, CA 91105
4312 Woodman Ave Ste 102 19.3 miles
Sherman Oaks, CA 91423
7052 ORANGEWOOD AVE STE 6 19.5 miles
GARDEN GROVE, CA 92841
333 S MAGNOLIA AVE 19.6 miles
ANAHEIM, CA 92804
3144 SANTA ANITA AVE STE 205 19.6 miles
EL MONTE, CA 91733
12600 BEACH BLVD 19.6 miles
STANTON, CA 90680
3413 W PACIFIC AVE 102 19.8 miles
BURBANK, CA 91505
15464 GOLDENWEST ST 20.1 miles
WESTMINSTER, CA 92683
7955 WESTMINSTER BLVD 20.3 miles
WESTMINSTER, CA 92683
960 E GREEN ST, STE 164 20.4 miles
PASADENA, CA 91106
710 N EUCLID ST STE 203 20.7 miles
ANAHEIM, CA 92801
3413 W PACIFIC AVE 20.9 miles
BURBANK, CA 91505
1801 W ROMNEYA DR STE 106 21.0 miles
ANAHEIM, CA 92801
1750 E COLORADO BLVD 21.0 miles
PASADENA, CA 91106
4500 RIVERVIEW AVE 21.1 miles
EL MONTE, CA 91731
11631 VICTORY BLVD STE 101 21.1 miles
NORTH HOLLYWOOD, CA 91606
6405 WILKINSON AVE 21.3 miles
NORTH HOLLYWOOD, CA 91606
11432 VANOWEN ST 21.5 miles
N HOLLYWOOD, CA 91605
1950 SUNNYCREST DR STE 1800 21.7 miles
FULLERTON, CA 92835
16025 GALE AVE STE B10 21.7 miles
CITY OF INDUSTRY, CA 91745
2720 N HARBOR BLVD STE 130 21.8 miles
FULLERTON, CA 92835
2151 N HARBOR BLVD 21.8 miles
FULLERTON, CA 92835
1006 W LA PALMA AVE 21.9 miles
ANAHEIM, CA 92801
17122 BEACH BLVD STE 104 21.9 miles
Huntington Beach, CA 92647
6410 VAN NUYS BLVD STE B 22.1 miles
VAN NUYS, CA 91401
117 E LIVE OAK AVE STE 101 22.2 miles
ARCADIA, CA 91006
17822 BEACH BL SUITE 242 22.4 miles
HUNTINGTON BEACH, CA 92647
18800 Main St Ste 111, 22.7 miles
Huntington Beach, CA 92648
17024 MAGNOLIA ST 22.8 miles
FOUNTAIN VALLEY, CA 92708
18561 BEACH BLVD 22.8 miles
HUNTINGTON BEACH, CA 92648
8970 WARNER AVE 22.8 miles
FOUNTAIN VALLEY, CA 92708
15211 VANOWEN ST STE 105 22.9 miles
VAN NUYS, CA 91405
18811 FLORIDA ST 22.9 miles
HUNTINGTON BEACH, CA 92648
15211 VANOWEN ST STE 319 22.9 miles
VAN NUYS, CA 91405
14148 FRANCISQUITO AVE 23.0 miles
BALDWIN PARK, CA 91706
56 E DUARTE RD 23.1 miles
ARCADIA, CA 91006
1111 E LA PALMA AVE 23.3 miles
ANAHEIM, CA 92805
947 S ANAHEIM BLVD STE 120 23.4 miles
ANAHEIM, CA 92805
1000 S ANAHEIM BLVD STE 200 23.4 miles
ANAHEIM, CA 92805
17487 HURLEY ST 23.6 miles
CITY OF INDUSTRY, CA 91744
13652 CANTARA ST 23.9 miles
PANORAMA CITY, CA 91402
1001 E IMPERIAL HWY 24.0 miles
BREA, CA 92821
16135 LEADWELL ST 24.0 miles
VAN NUYS, CA 91406
9900 Talbert Ave Ste 203, 24.0 miles
Fountain Valley, CA 92708
9920 TALBERT AVE 24.0 miles
FOUNTAIN VALLEY, CA 92708
1717 E LINCOLN AVE 24.0 miles
Anaheim, CA 92805
18646 OXNARD ST 24.2 miles
TARZANA, CA 91356
566 E LAMBERT RD 24.3 miles
BREA, CA 92821
211 S STATE COLLEGE BLVD STE 325 24.3 miles
ANAHEIM, CA 92806
725 S ORANGE AVE 24.4 miles
WEST COVINA, CA 91790
18575 Gale Ave Ste 155 24.5 miles
City of Industry, CA 91748
18575 GALE AVE STE 295 24.5 miles
CITY OF INDUSTRY, CA 91748
14850 ROSCOE BLVD 24.5 miles
PANORAMA CITY, CA 91402
640 S PLACENTIA AVE 24.6 miles
PLACENTIA, CA 92870
9122 ADAMS AVE 24.6 miles
HUNTINGTON BEACH, CA 92646
11180 E Warner Ave Ste 159, 24.6 miles
Fountain Valley, CA 92708
18335 VALLEY BLVD 24.7 miles
LA PUENTE, CA 91744
20301 VENTURA BLVD STE 105 24.7 miles
WOODLAND HILLS, CA 91364
8780 VAN NUYS BLVD BLDG C 24.9 miles
PANORAMA CITY, CA 91402
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Handy Resources
Comprehensive Online Resources for Drug Testing
- National Institute on Drug Abuse (NIDA)
Provides comprehensive information on drug testing and its role in substance use disorder treatment.
- FDA: Drug Testing
Explains the FDA's role and regulations concerning drug testing for consumers.
- PDR.net
Provides detailed drug information and safety updates through a mobile-friendly platform.
- BeSafeRx - FDA
Resource by the FDA to help consumers identify and choose safe online pharmacies.
- SAMHSA: Drug Testing Resources for the Workplace
Resources and guidelines for drug testing in the workplace.
- Drugs.com
Provides drug information, side effects, and interactions for consumers and professionals.
- Drug Abuse Screening Test (DAST)
Online version of the DAST to help individuals assess whether they have a drug problem.
- Merck Manuals
Consumer-friendly medical resource providing comprehensive information on a wide array of health topics, including drug testing.
- SAMHSA Store
Provides access to resources and publications on substance use prevention and treatment.
- National Association of Boards of Pharmacy (NABP)
Information on state boards of pharmacy and regulations, including those related to drug testing.
- CDC: Workplace Health Promotion
CDC's resources on substance use and drug testing in the workplace.
- Mayo Clinic: Drug Testing
General information about the procedures and types of drug tests.
- MedlinePlus: Drug Testing
Offers information about various drug tests and their uses in medical diagnosis and treatment.
- University of Rochester Medical Center Health Encyclopedia
Provides a detailed entry on drug testing, including how tests are conducted and what they detect.
- World Health Organization (WHO)
International guidelines and information on public health, including substance abuse and drug testing.
- Healthline: Drug Testing
Consumer health site offering information on how drug tests work and what they look for.
- WebMD: Drug Testing
Provides a patient-oriented overview of drug testing and its purposes.
- National Center for Biotechnology Information (NCBI)
Provides a vast database of scientific studies, including research on drug testing and its effectiveness.
AI Overview
Comprehensive Guide to Hair Follicle Drug Testing
Hair follicle drug testing is a sophisticated technique used to detect both illicit drug use and the misuse of prescription drugs over an extended period. This method of testing is favored for its ability to provide a detailed drug use history far beyond the capability of standard urine tests, which only capture drug use within days of consumption.
Understanding Hair Follicle Drug Testing
During a hair follicle drug test, a small sample of hair is collected, usually from the head. This sample is then analyzed to detect drug molecules and their metabolites that have been deposited into the hair from the bloodstream. Drugs that can be detected include but are not limited to cannabis, cocaine, opiates, and methamphetamine.
Key Applications
- Workplace Compliance: Employers often implement hair follicle testing to maintain a drug-free work environment, especially in industries where safety is paramount.
- Legal Evidence: In the legal arena, these tests can provide compelling evidence in cases such as custody disputes or driving under the influence (DUI) incidents.
- Substance Abuse Monitoring: Rehabilitation centers may utilize hair tests to monitor individuals over time, ensuring adherence to treatment programs.
Benefits of Hair Follicle Drug Testing
- Extended Window of Detection: Unlike other tests, hair follicle testing can detect drug use up to 90 days back, offering a long-range view into an individual's drug history.
- Low Risk of Tampering: Since hair samples are collected directly and observed, the risk of sample tampering is significantly reduced compared to other forms of testing.
- Less Invasive: Collecting hair is far less intrusive compared to blood tests, making it more comfortable for the individual being tested.
Limitations to Consider
Despite its advantages, hair follicle testing isn't without its challenges:
- Rate of Hair Growth: Variations in hair growth rates can affect the detection period, slightly complicating the interpretation of results.
- Environmental Contamination: In rare cases, drugs can be externally deposited onto the hair, although rigorous washing protocols before testing help mitigate this issue.
- Cultural Sensitivity: The need for a hair sample can pose dilemmas for individuals with cultural or religious practices affecting their hair.
Hair follicle drug testing stands out as a reliable method for analyzing long-term drug use. Its application spans various fields from corporate environments to legal settings, making it an indispensable tool for ensuring safety and compliance with drug policies.
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Local Area Info: Gardena, California
Gardena is a city located in the South Bay (southwestern) region of Los Angeles County, California, United States. The population was 58,829 at the 2010 census, up from 57,746 at the 2000 census. Until 2014, the US census cited the City of Gardena as the place with the highest percentage of Japanese Americans in California. Gardena has a large Japanese population, helping make the South Bay region of Los Angeles home to the largest concentration of Japanese companies within the mainland United States.
Based on archaeological findings, the Tongva people hunted and fished in the area of today's Gardena. The Tongva Indians — also known as Gabrielino Indians — are probably descendants of those who crossed from Asia to North America around 10,000 years ago.
In 1784, three years after the foundation of Los Angeles, Juan Jose Dominguez (1736–1809), a Spanish soldier who arrived in San Diego, California in 1769 with Fernando Rivera y Moncada, in recognition of his military service, received the roughly 43,000-acre (170 km2) Spanish land grant, the Rancho San Pedro. Part of this land contained what became known as Gardena Valley. After the American Civil War veterans bought parts of the land, and soon ranchers and farmers followed suit. Union Army Major General William Starke Rosecrans in 1869 bought 16,000 acres (65 km2). The "Rosecrans Rancho" was bordered by what later was Florence Avenue on the north, Redondo Beach Boulevard on the south, Central Avenue on the east, and Arlington Avenue on the west. The Rosecrans property was subdivided and sold in the early 1870s. One of those became the 650-acre (2.6 km2) Amestoy Ranch. Gardena proper began in 1887 when the Pomeroy & Harrison real estate developers subdivided the ranch, anticipating the coming of the Los Angeles and Redondo Railway. Civil War veteran Spencer Roane Thorpe is credited with starting the first settlement in Gardena in 1887. Railroads put Gardena on the map following a real estate boom in the Los Angeles area in the 1880s.