What is the 4th of July without a magnificent and dazzling fireworks show to light up the nightsky?! Here's a list of some OC cities that will be hosting firework shows!
From your friends at Destination Irvine, have a wonderful 4th of July!
If you don't see a specific OC city listed, the city may not be hosting a firework show this year, or I was unable to find information on any firework shows! If you do know of additional firework shows please feel free to leave a comment with the details! 
Hosted by the Irvine Police Association, join in on the 28th Annual Concert on the Green and Fireworks Extravaganza at the Irvine High School Football Stadium! Tickets available at the Stadium box office day of, or for purchase in advance here.
Tickets: $12/Adults and $8/Children & Seniors, under 2 years old FREE

Family Ticket- $40/2 Adults & Up to 4 Children(Advance Purchase)

Gates open at 3pm, and Parking is FREE

Irvine High School Stadium
4321 Walnut Avenue, Irvine CA 92604

Newport Beach
 The city of Newport Beach has an array of events and activities throughout the day to celebrate the 4th of July. Check out the list of events here, and a fireworks show will be hosted by the Newport Dunes Waterfront Resort!
You can watch the fireworks from public places in Newport for FREE , but if you would like to view the show from the dunes...
 $60 for Parking & 6 Wristbands for Carnival Activities (valued at $10 each)
Newport Beach Residents receive FREE admission
Newport Dunes Waterfront Resort
1131 Back Bay Drive, Newport Beach
(949) 729-DUNE
Show Starts at 9pm
 Huntington Beach 
Watch fireworks over the ocean at Huntington Beach Pier!
Check out the day's activities here! Residents from the surrounding cities Westminster & Fountain Valley can easily take part in HB's events!
$10 for pier seating, FREE elsewhere in public HB areas
Huntington Beach Pier
Main St  & Pacific Coast Highway, Huntington Beach
Show Starts at 9pm
 La Habra

Live Music, games, food, fireworks, and more! Hosted by the La Habra's annual 4th of July Celebration will be held at La Habra High School!
Ticket/Admission Info not found, please call (562) 905-9708 for more info
Doors open at 5:00pm
La Habra High School
801 West Highlander Avenue
La Habra, CA 90631
(562) 905-9708  
 Los Alamitos, Cypress, Rossmoor & Seal Beach
These cities, the Joint Forces Training Center and the Consolidated Disposal Service have come together to host a 4th of July Fireworks Spectacular
FREE to attend, $5 Parking
(Vehicles with Military I.D. FREE)
Joint Forces Training Center
Los Alamitos 11200 Lexington Drive
(enter at Lexington Drive, South of Katella Avenue) 
For More Info Call (714) 229-6700
Take part in the City of Fullerton's Annual Community Fireworks Show & Festival!
Admission- FREE
Parking- FREE
Nominal Fees may apply for certain festival activities (approx $2-4)
Fullerton High School Stadium
201 E. Chapman Ave
Fullerton, CA, 92832
(on the S/E corner of Lemon and Berkeley)
(714) 738-3167
Opens at 5pm, Show Starts at 9pm
 Buena Park
Knott's Berry Farm will be hosting their Fourth of July Aerial Fireworks Show & Entertainment!
Tickets range from $25.99-49, includes admission to the park. Click here for more info on tickets & the event.
(Does not include Parking Fee, starting $15/vehicle)
8039 Beach Blvd. in Buena Park 
Show Starts at 10pm
Anaheim Hills
The Canyon Hills Community Council of Anaheim Hills will be hosting their 24th Annual 4th of July Celebration. Click here to view the list of day's events!
It seems like this fireworks show is FREE admission!
The fireworks show will take place at Peralta Park
115 Pinney Dr
Anaheim Hills, CA 92807
(off the 91 and Lakeview)
 (714) 758-0222
Small parking lot at the park, street parking, and busses may be shuttling from various Anaheim shopping locations
Call the number above for more details
Who wouldn't want to spend a day at the happiest place on earth, and end with a spectacular fireworks  show?! If you're feeling extra patriotic and want to really enjoy an extravaganza, experience the 4th of July at the Disneyland Resort in Anaheim
Parking Fees apply.
(fees may or may not apply accordingly for  Annual Passholders)

Come to the Annual Fourth of July Celebration at Tustin High School! Grab a blanket and some lawn chairs and you are all good to go!
Admission is FREE! 
Tustin High School
1171 El Camino Real
Tustin, CA
(enter at San Juan)
(714) 573-3326 
Open at 6:30pm, Show Starts at 9pm
 Mission Viejo 
In South County? Celebrate the 4th with the City of Mission Viejo and their Annual Street Faire and Fireworks Spectacular! Held right off of Olympiad Road and near Lake Mission Viejo !
Admission is FREE
Open at noon, Show Starts at 9pm
Off of Olympiad & Marguerite
(949) 830-7066 
Laguna Niguel
Enjoy a fireworks show over the lake at the Laguna Niguel Regional Park!
Admission is Free
Parking Fee: $7.00
Show Starts at 9pm

Laguna Niguel Regional Park
28241 La Paz Road
Laguna Niguel, CA 92677
Dana Point 
Dana Point's 4th of July Fireworks Extrvaganze is sure to be a crowd pleaser! Head down to Doheny State Beach/Dana Point Harbor and be ready to be amazed!
Admission is FREE
Street & Paid Lot Parking available
Doheny State Beach/Dana Point Harbor Area
25300 Dana Point Harbor Drive
Dana Point, California 92629
(949) 496-6172
Show Starts at 9pm
San Juan Capistrano
It's going to be quite exciting in SJC during the city's July 4th Celebration and Fireworks display! 
Admission FREE
Opens at 3pm
San Juan Capistrano Sports Park
25925 Camino Del Avion
San Juan Capistrano, CA
Show Starts at 9pm
Street Parking available
(949) 493-5911
San Clemente
I'll be at the San Clemente Pier to watch fireworks shoot off of the pier, and burst in the sky over the ocean. 
Admission FREE
Street & Paid Lot parking available 
San Clemente Pier
601 Avenida Victoria
San Clemente, CA 92672 
Show Starts at 9pm
(949) 361-8264  
*Image Sources available by clicking Image/or from Link in each fireworks show description