Below we have provided links to individual city municipal codes regarding accessory dwelling units. This information is deemed reliable, but is not guaranteed and is provided for reference purposes only. Please be sure to contact the city to confirm the information provided.
If you have updates to the information listed here, please contact us!
ADU: Aliso Viejo
Standards for accessory dwelling units are detailed in chapter 15 of the city’s municipal code. For more information we suggest contacting city staff.
Building and Safety Department – City of Aliso Viejo
12 Journey, Suite 100
Aliso Viejo, CA 92656
949-425-2540
Inspection Request Hotline: 949-425-2545
ADU: Anaheim
Standards for accessory dwelling units are detailed in chapter 18 of the city’s municipal code. For more information we suggest contacting city staff.
Planning & Building Department
200 S Anaheim Boulevard, 1st Floor
Anaheim, CA 92805
714-765-4311
Building Division: 714 765-5153
Code Enforcement: 714 765-5158
Planning Services: 714 765-5139
ADU: Brea
Standards for accessory dwelling units are detailed in chapter 20 of the city’s municipal code. For more information we suggest contacting city staff.
Community Development Department
1 Civic Center Circle
Brea, CA 92821
714-990-7689
ADU: Buena Park
Standards for accessory dwelling units are detailed in chapter 19 of the city’s municipal code. For more information we suggest contacting city staff.
Community Development Department
6650 Beach Boulevard, First Floor
Buena Park, CA 90622
Building Division: 714-562-3636
Code Enforcement Division: 714-562-3642
Planning Division: 714-562-3620
ADU: Costa Mesa
Standards for accessory dwelling units are detailed in title 13 of the city’s municipal code. For more information we suggest contacting city staff.
Development Services Department – City of Costa Mesa
77 Fair Drive
Costa Mesa, CA 92626
714-754-5000
ADU: Cypress
Standards for accessory dwelling units are detailed in the city’s municipal code. For more information we suggest contacting city staff.
Community Development Department
Building: 714-229-6730
Planning: 714-229-6720
Successor Agency: 714-229-6728
Community Development Department: cdd@cypressca.org
Code Enforcement: 714-229-6726
Code Enforcement Service Request
Economic Development: 714-229-6720
ADU: Dana Point
Standards for accessory dwelling units are detailed on the city’s website. For more information we suggest contacting city staff.
Community Development Department – City of Dana Point
33282 Golden Lantern
Dana Point, CA 92629
949-248-3500
ADU: Fountain Valley
Standards for accessory dwelling units are detailed on the city’s website. For more information, we suggest contacting city staff.
Housing & Community Development – City of Fountain Valley
10200 Slater Avenue
Fountain Valley, CA 92708
714-593-4428
ADU: Fullerton
Standards for accessory dwelling units are detailed on the city’s website. For more information, we suggest contacting city staff.
Community Development Department – City of Fullerton
303 W. Commonwealth Ave.
Fullerton, CA 92832
General - Building Division: 714-738-6541
ADU: Garden Grove
Standards for accessory dwelling units are detailed on the city’s website. For more information, we suggest contacting city staff.
Community and Economic Development Department – City of Garden Grove
11222 Acacia Parkway
Garden Grove, CA 92840
714-741-5000
ADU: Huntington Beach
Standards for accessory dwelling units are detailed under title 23 of the city’s zoning code. For more information, we suggest contacting city staff.
Department of Community Development – City of Huntington Beach
City of Huntington Beach
2000 Main Street
Huntington Beach, CA 92648
714-536-5511
ADU: La Habra
Standards for accessory dwelling units are detailed in title 18 of the city’s municipal code. For more information, we suggest contacting city staff.
Community Development Department – City of La Habra
110 E La Habra Boulevard
La Habra, CA 90631
562-383-4100
ADU: Laguna Beach
Standards for accessory dwelling units are detailed in chapter 25 of the city’s municipal code. For more information, we suggest contacting city staff.
Community Development Department – City of Laguna Beach
505 Forest Avenue
Laguna Beach, California 92651
949-497-0712
ADU: Laguna Hills
Standards for accessory dwelling units are detailed on the city’s website. For more information, we suggest contacting city staff.
Community Development Department – City of Laguna Hills
24035 El Toro Road
Laguna Hills, CA 92653
949-707-2670
ADU: Laguna Niguel
Standards for accessory dwelling units are detailed in section 9 of the city’s municipal code. For more information, we suggest contacting city staff.
Community Development Department – City of Laguna Niguel
30111 Crown Valley Pkwy.
Laguna Niguel, CA 92677
949-362-4300
ADU: Laguna Woods
Standards for accessory dwelling units are detailed in section 13 of the city’s municipal code. For more information we suggest contacting city staff. Laguna Woods Village is a community that makes up a majority of the residences in the city. We also suggest contacting them directly for more details.
City of Laguna Woods
24264 El Toro Road
Laguna Woods, CA 92637
949-639-0500
Laguna Woods Village
24351 El Toro Rd
Laguna Woods, CA 92637
949-597-4600
ADU: Lake Forest
Standards for accessory dwelling units are detailed in title 9 of the city’s municipal code. For more information, we suggest contacting city staff.
Planning & Development Department – City if Lake Forest
25550 Commercentre Drive, Suite 100
Lake Forest, CA, 92630
949-461-3491
ADU: Lakewood
We suggest contacting the city’s Community Development Department regarding accessory dwelling units.
Community Development Department – City of Lakewood
5050 Clark Avenue
Lakewood, CA 90712
562-866-9771 ext. 2350
ADU: Los Alamitos
Standards for accessory dwelling units are detailed in chapter 17 of the city’s municipal code. For more information, we suggest contacting city staff.
Development Services – City of Los Alamitos
3191 Katella Avenue
Los Alamitos, CA 90720
562-431-3538
ADU: Mission Viejo
Standards for accessory dwelling units are detail in the city’s municipal code. For more information, we suggest contacting city staff
Community Development Department – City of Mission Viejo
200 Civic Center
Mission Viejo, CA 92691
cd@cityofmissionviejo.org
Planning: 949-470-3053
Code Enforcement: 949-470-3055
Building: 949-470-3054
ADU: Newport Beach
Standards for accessory dwelling units are detailed on the city’s website. For more information, we suggest contacting city staff.
Community Development Department – City of Newport Beach
100 Civic Center Drive
Newport Beach, CA 92660
949-644-3309
ADU: Orange
Standards for accessory dwelling units are detailed in the city’s municipal code. For more information, we suggest contacting city staff.
Community Development Department – City of Orange
300 E. Chapman Ave.
Orange, CA 92866
714-744-7220
ADU: Placentia
Standards for accessory dwelling units are detailed in the city’s municipal code. For more information, we suggest contacting city staff.
Development Services – City of Placentia
401 E. Chapman Ave.
Placentia, CA 92870
714-993-8124
ADU: Rancho Santa Margarita
Standards for accessory dwelling units are detailed in the city’s municipal code. For more information, we suggest contacting city staff.
Development Services Department – City of Rancho Santa Margarita
22112 El Paseo
Rancho Santa Margarita, CA 92688
949-635-1816
ADU: San Clemente
Standards for accessory dwelling units are detailed in section 17 of the city’s municipal code. For more information, we suggest contacting city staff.
Building Department – City of San Clemente
910 Calle Negocio, Ste. 100
San Clemente, CA 92673
949-361-8200
ADU: San Juan Capistrano
Standards for accessory dwelling units are detailed in section 9 of the city’s municipal code. For more information, we suggest contacting city staff.
Development Services – City of San Juan Capistrano
32400 Paseo Adelanto
San Juan Capistrano, CA 92675
949-493-1171
ADU: Santa Ana
Standards for accessory dwelling units are detailed on the city’s website. For more information, we suggest contacting city staff.
Planning and Building Agency – City of Santa Ana
20 Civic Center Plaza
Santa Ana, CA 92701
714-667-2700
ADU: Seal Beach
Standards for accessory dwelling units are detailed in section 11 of the city’s municipal code. For more information, we suggest contacting city staff.
Department of Community Development – City of Seal Beach
211 Eighth Street
Seal Beach, CA 90740
562-431-2527
ADU: Stanton
Standards for accessory dwelling units are detailed in the city’s municipal code. For more information, we suggest contacting city staff.
Community Development Department – City of Stanton
7800 Katella Avenue
Stanton, CA 90680
714-890-4286
ADU: Tustin
Standards for accessory dwelling units are detailed throughout the city’s municipal code. For more information we suggest contacting city staff.
Community Development Department – City of Tustin
300 Centennial Way
Tustin, CA 92780
714-573-3106
ADU: Villa Park
Standards for accessory dwelling units are detailed in article 23 of the city’s municipal code. For more information, we suggest contacting city staff.
Building and Safety Department – City of Villa Park
17855 Santiago Boulevard
Villa Park, California 92861
714-998-1500
ADU: Westminster
Standards for accessory dwelling units are detailed in section 17 of the city’s municipal code. For more information, we suggest contacting city staff.
Community Development Department – City of Westminster
8200 Westminster Blvd.
Westminster, CA 92683
714-898-3311
ADU: Yorba Linda
Standards for accessory dwelling units are detailed in article 9 of the city’s municipal code. For more information, we suggest contacting city staff.
Community Development Department – City of Yorba Linda
4845 Casa Loma Avenue
Yorba Linda, CA 92886
714-961-7130