General Info

Whether you're hosting a kid's birthday party, a baby shower, a Halloween costume party, or a holiday event, Party City in San Marcos offers themed party supplies for every season and occasion, at a price you can afford. With the biggest selection of boys and girls birthday parties, holiday party supplies, theme party supplies, and costumes for Halloween, Party City at 157 South Las Posas Road is your one stop Party Store. We've been in the party business for nearly 30 years and are still growing fast, thanks to our commitment to value and service, and to a loyal customer base. We test all our costumes, decorations, and favors for quality and safety to ensure the best possible customer experience. If a product doesn't pass muster, we simply won't sell it. We want you to be happy with your purchase, and we're here to help in any way. So start your birthday, holiday, and Halloween shopping at Party City, where the party supplies are always plentiful and affordable, and where fun is always the order of the day!