California county directory
CountyProbation Offices
Find the county department named on the court order, reporting instructions, or transfer paperwork.
California probation is county-run. CDCR parole and U.S. Probation are different systems.
CA county system
County lookup
Search the name on the paperwork.
Probation, parole, or federal?
Follow the name on the paperwork.
These are separate systems. Use the agency written on the order or release instructions.
01 County probation Ordered through a county court.
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02
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County probation directory
Choose the county named on your paperwork.
Each county runs its own department. Branches appear only when an official county page clearly ties the office name, address, and phone together. Directory order is never influenced by advertising.
Jump to county
01
Alameda County department route
Alameda County Probation Department
1111 Jackson Street
Oakland, CA 94607-2059
02
Alpine County department route
Alpine County Probation Department
P.O. Box 458
Markleeville, CA 96120 Mailing address
The county publishes a mailing address; call before visiting.
03
Amador County department route
Amador County Probation Department
675 New York Ranch Road
Jackson, CA 95642
04
Butte County department route
Butte County Probation Department
18 County Center Drive
Oroville, CA 95965
05
Calaveras County department route
Calaveras County Probation Department
891 Mountain Ranch Road
San Andreas, CA 95249
06
Colusa County department route
Colusa County Probation Department
532 Oak Street
Colusa, CA 95932
07
Contra Costa County department route
Contra Costa County Probation Department
50 Douglas Drive, Suite 200
Martinez, CA 94553
08
Del Norte County department route
Del Norte County Probation Department
450 H Street, Suite 202
Crescent City, CA 95531
09
El Dorado Main route + 1 branch
Shingle Springs Probation Office
3974 Durock Road, Suite 205
Shingle Springs, CA 95682
South Lake Tahoe Probation Office
1360 Johnson Boulevard, Suite 102
South Lake Tahoe, CA 96150
10
Fresno County department route
Fresno County Probation Department
2171 N. Fine Avenue
Fresno, CA 93727
11
Glenn County department route
Glenn County Probation Department
541 W. Oak Street
Willows, CA 95988
12
Humboldt County department route
Humboldt County Probation Department
2002 Harrison Avenue
Eureka, CA 95501
13
Imperial County department route
Imperial County Probation Department
324 Applestill Road
El Centro, CA 92243
14
Inyo Main route + 1 branch
Bishop Probation Office
1360 N. Main Street, Suite 162
Bishop, CA 93514
Independence Probation Office
201 Mazourka Canyon Road
Independence, CA 93526
15
Kern County department route
Kern County Probation Department — Main Office
1415 Truxtun Avenue
Bakersfield, CA 93301
16
Kings County department route
Kings County Probation Department
1424 Forum Drive
Hanford, CA 93230
17
Lake County department route
Lake County Probation — Lakeport Office
201 S. Smith Street
Lakeport, CA 95453
18
Lassen County department route
Lassen County Probation Department
221 S. Roop Street
Susanville, CA 96130
19
Los Angeles County department route
Los Angeles County Probation — Downey Headquarters
9150 E. Imperial Highway
Downey, CA 90242
20
Madera Main route + 1 branch
Madera County Probation — Administration and Adult Services
300 S. G Street, Suite 100
Madera, CA 93637
Juvenile Services Division
1675 E. Olive Avenue
Madera, CA 93638
21
Marin County department route
Marin County Probation — Adult Services
3501 Civic Center Drive, Suite 265
San Rafael, CA 94903
22
Mariposa County department route
Mariposa County Probation Department
5091 Bullion Street
Mariposa, CA 95338
23
Mendocino Main route + 1 branch
Mendocino County Probation — Ukiah Office
585 Low Gap Road
Ukiah, CA 95482
Willits Office
125 E. Commercial Street, Suite 230
Willits, CA 95490
24
Merced Main route + 2 branches
Merced County Adult Probation
600 W. Olive Avenue
Merced, CA 95340
Administration and Juvenile Services
1880 Wardrobe Avenue
Merced, CA 95341
Los Banos Probation Office
445 I Street
Los Banos, CA 93635
25
Modoc County department route
Modoc County Probation Department
326 S. Main Street
Alturas, CA 96101
26
Mono Main route + 1 branch
Bridgeport Probation Office
57 Bryant Street
Bridgeport, CA 93517
Mammoth Lakes Probation Office
1290 Tavern Road, 3rd Floor
Mammoth Lakes, CA 93546
27
Monterey County department route
Monterey County Probation — Adult Services
20 E. Alisal Street
Salinas, CA 93901
28
Napa County department route
Napa County Adult Probation
555 Gateway Drive, Suite P
Napa, CA 94558
29
Nevada County department route
Nevada County Probation Department
109 1/2 N. Pine Street
Nevada City, CA 95959
30
Orange County department route
Orange County Probation Department — Administrative Office
1055 N. Main Street
Santa Ana, CA 92701
31
Placer Main route + 2 branches
Placer County Probation — Auburn Office
2929 Richardson Drive, Suite B
Auburn, CA 95603
Roseville Probation Office
10810 Justice Center Drive, Suite 170
Roseville, CA 95678
Tahoe Probation Office
7252 N. Lake Boulevard
Tahoe Vista, CA 96148
32
Plumas County department route
Plumas County Probation Department
270 County Hospital Road, Suite 128
Quincy, CA 95971
33
Riverside County department route
Riverside Adult Probation Office
1020 Iowa Avenue, Suite A
Riverside, CA 92507
34
Sacramento County department route
Sacramento County Probation — Administrative Services
8745 Folsom Boulevard
Sacramento, CA 95826
35
San Benito County department route
San Benito County Probation Department
400 Monterey Street
Hollister, CA 95023
36
San Bernardino County department route
San Bernardino County Probation — Administrative Office
175 W. Fifth Street
San Bernardino, CA 92415
37
San Diego County department route
San Diego County Probation — Administration Center
9444 Balboa Avenue, Suite 500
San Diego, CA 92123
38
San Francisco County department route
San Francisco Adult Probation Department
945 Bryant Street
San Francisco, CA 94103
39
San Joaquin County department route
San Joaquin County Adult Probation
24 S. Hunter Street
Stockton, CA 95202
40
San Luis Obispo County department route
San Luis Obispo County Probation Department
1710 Bishop Street
San Luis Obispo, CA 93401
41
San Mateo County department route
San Mateo County Probation — Main Office
222 Paul Scannell Drive, Floor 2
San Mateo, CA 94402
The county contact page does not publish a general phone number; use its official contact page.
42
Santa Barbara County department route
Santa Barbara County Probation Department
Call the department to confirm the reporting office; the county's current public page does not expose a dependable street address.
43
Santa Clara Main route + 2 branches
Santa Clara County Probation — Adult Services Main Office
2314 N. First Street
San Jose, CA 95131
North County Adult Services
270 Grant Avenue
Palo Alto, CA 94306
South County Adult Services
17275 Butterfield Boulevard, Suite C
Morgan Hill, CA 95037
44
Santa Cruz Main route + 1 branch
Santa Cruz County Adult Probation and Administration
303 Water Street
Santa Cruz, CA 95060
Watsonville Adult and Juvenile Probation
1430 Freedom Boulevard
Watsonville, CA 95076
45
Shasta County department route
Shasta County Probation Department
2684 Radio Lane
Redding, CA 96001
46
Sierra Main route + 1 branch
Downieville Probation Office
100 Courthouse Square
Downieville, CA 95936
Loyalton Probation Office
105 Beckwith Street
Loyalton, CA 96118
47
Siskiyou County department route
Siskiyou County Probation Department
269 Sharps Road
Yreka, CA 96097
48
Solano County department route
Solano County Probation — Fairfield Office
475 Union Avenue
Fairfield, CA 94533
49
Sonoma County department route
Sonoma County Probation Department
370 Administration Drive
Santa Rosa, CA 95403
50
Stanislaus Main route + 2 branches
Stanislaus County Probation — Adult Division
801 11th Street
Modesto, CA 95354
Juvenile Division
2215 Blue Gum Avenue
Modesto, CA 95358
Day Reporting Center
190 E. Hackett Road
Modesto, CA 95358
51
Sutter County department route
Sutter County Probation Department
595 Boyd Street
Yuba City, CA 95991
52
Tehama County department route
Tehama County Probation Department
1840 Walnut Street
Red Bluff, CA 96080
53
Trinity Main route + 1 branch
Trinity County Probation Department
333 Tom Bell Road
Weaverville, CA 96093
Hayfork Probation Office
154 Tule Creek Road
Hayfork, CA 96041
Appointment only.
54
Tulare Main route + 1 branch
Tulare County Probation — Headquarters
3241 W. Noble Avenue
Visalia, CA 93277
Porterville Probation Office
1055 W. Henderson Avenue, Suite 7
Porterville, CA 93257
55
Tuolumne County department route
Tuolumne County Probation Department
465 S. Washington Street
Sonora, CA 95370
56
Ventura County department route
Ventura County Probation — Administration and Adult Court Services
800 S. Victoria Avenue
Ventura, CA 93009
57
Yolo County department route
Yolo County Probation — Main Office
725 Court Street
Woodland, CA 95695
58
Yuba County department route
Yuba County Probation Department
215 Fifth Street, Suite 154
Marysville, CA 95901
No county matches that search Try the county name, city, or office shown on the paperwork.
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Before you leave
Confirm three things by phone.
01 The assigned office A county may have several field or reporting locations.
02 The reporting time Hours and appointment rules can change before a website does.
03 What to bring Keep the court order, release papers, identification, and officer name together.
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How this directory is maintained
Official county pages first. Unclear records stay out.
Jail411 checks county probation department pages directly. A raw page crawl can mix probation offices with juvenile halls, camps, courtrooms, or unrelated county departments; those records are excluded unless the county identifies them as a public probation contact.
Information was reviewed August 17, 2026. Offices can move or change phone numbers sooner, so confirm time-sensitive instructions with the responsible county.
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