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| City/Website | Department/Division | Phone |
|---|---|---|
| Aliso Viejo | Public Works | (949) 425-2533 |
| Anaheim | Planning | (714) 765-5149 |
| Brea | Building & Safety Division | (714) 990-7765 |
| Buena Park | Public Works | (714) 562-3670 |
| Costa Mesa | Development Services Dept./Planning | (714) 754-5611 |
| Cypress | Public Works Dept./Engineering | (714) 229-6740 |
| Dana Point | Community Development | (949) 248-3572 |
| Fountain Valley | Building Division | (714) 593-4427 |
| Fullerton | Engineering Division | (714) 738-6845 |
| Garden Grove | Planning Services | (714) 741-5312 |
| Huntington Beach | Planning | (714) 374-1547 |
| Irvine | Planning & Zoning | (949) 724-6358 |
| La Habra | Planning | (562) 383-4153 |
| La Palma | Community Development | (714) 690-3310 |
| Laguna Beach | Building Division | (949) 497-0362 |
| Laguna Hills | Building/Safety Division | (949) 707-2655 |
| Laguna Niguel | Community Development | (949) 362-4341 |
| Laguna Woods | Building Services | (949) 639-0525 |
| Lake Forest | Public Works | (949) 461-3481 |
| Los Alamitos | Development Services/Building and Safety | (562) 431-3538 x110 |
| Mission Viejo | Engineering | (949) 470-8458 |
| Newport Beach | Building Division | (949) 644-3278 |
| Orange | Engineering/Development Services | (714) 744-5535 |
| Placentia | Development Services/Planning | (714) 993-8120 |
| Rancho Santa Margarita | Public Works | (949) 635-1805 x6505 |
| San Clemente | Building Department | (949) 361-6140 |
| San Juan Capistrano | Public Works Department | (949) 443-6337 |
| Santa Ana | Building Department/Planning Division | (714) 647-5866 |
| Seal Beach | Public Works | (562) 431-2527 x1322 |
| Stanton | Engineering | (714) 890-4203 |
| Tustin | Community Development | (714) 573-3109 |
| Unincorporated Orange County | Building & Safety Floodplain Mgmt. & Hydrology | (714) 667-8871 (714) 975-4289 |
| Villa Park | Public Works | (714) 998-1500 |
| Westminster | Public Works | (714) 548-3466 |
| Yorba Linda | Engineering Division | (714) 961-7170 |