Your 40th birthday is the perfect moment to gather your people in a venue that feels truly special. If you plan to have a stylish dinner party, a private soiree, or just a small event, you'll easily find venues that set the perfect tone, with curated menus, upscale bar service, and stunning city views. Orange County has stunning options, from sophisticated event halls in Irvine to private spots in Huntington Beach and hotel function rooms in Laguna Niguel. Browse our selection of the best 40th birthday venues in Orange County, search by amenities, price, or location, and connect directly with venue managers to bring your party to life.
 
                    In Orange County, prices of 40th birthday venues average $200 hire fee per hour. Costs vary depending on guest capacity, popularity, location, and amenities like sound systems or bar services. Extra charges may apply for custom catering, decor, or event planning services. Packages with add-ons, such as DJs, photo booths, or other entertainment services, can also increase the overall cost. Check out the typical price ranges in Orange County, based on Tagvenue data from October 2025:
| From $100 | to $425 | hire fee per hour | 
| From $1500 | to $5000 | minimum spend per event | 
| From $1200 | to $14000 | hire fee per event | 
You'll find 40th birthday venues in various sizes, from smaller spots to larger venues; keep in mind that the type of space and your chosen layout will affect the capacity! Below you can see the typical venue sizes in Orange County, together with the standard prices in each size range, based on Tagvenue data (October 2025):
| Small 40th birthday venues | up to 30 guests | prices average $150 hire fee per hour | 
| Medium 40th birthday venues | between 80 and 100 guests | prices average $150 hire fee per hour | 
| Large 40th birthday venues | over 160 guests | prices average $1000 hire fee per hour |