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KB at Your Service offers onsite event services, including mobile bartending and party assistance. With more than 15 years in the hospitality industry, we do the work so you can have the fun.

925.786.6362
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We can make your next party or celebration a seamless success.

Extremely reasonable rates, state licensed and outstanding mixology skills.

Let us do the work so you can have the fun!

 
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Testimonials

Here's what my clients have to say:
"Kristin was an incredible help and truly saved the day! It was my first time hosting a party for our friends, and I had no idea what the proper procedure was. She guided me through everything while setting up the wine bar, assisting our guests, and making sure everyone had their drinks and food. Thanks to her, everything ran smoothly, and I was able to enjoy the party. I couldn't have done it without her!"
— Cindy, Santa Clara 
“Kristin was such a help with service and clean-up at our event. She was easy to work with and made the day run smoother. Grateful for her support!” 
— Kristi— Walnut Creek 
"We hired Kristin to help serve/cater a brunch for 50 guests after our son’s wedding. She was so helpful, professional and was able to handle it all so that we were able to enjoy our guests. Her communication was great, was prompt and friendly. I’m so glad I found her to help us."
— Mary, San Jose
"Kristin helped with our graduation celebration of approximately 65 guests. She was very responsive throughout the planning process, arrived prepared, created a beautiful and artistic charcuterie display, and did an excellent job with setup and cleanup. She also stayed well beyond the original time we had discussed to make sure everything was taken care of, which I appreciated. Thank you for helping make our event run smoothly."
— Leila, Danville
"I just wanna thank you for being such a nice person to work with and I know you worked really hard.  I would highly recommend you. You’re  just such a lovely person."
— Joy, Danville 

Thank you for choosing KB at Your Service for your special event!

To ensure everything runs smoothly, please review our setup requirements below.

For Bartending the Host Provides:

  • Alcohol, beer, wine, and mixers
  • Ice (recommended: 1.5 lbs per guest)
  • Cups, napkins, straws, and garnishes
  • Bar area, table, or designated serving space
  • Access to water and trash receptacles
  • Any specialty ingredients requested for signature cocktails

We Provide:

  • Professional bartending staff
  • Basic bartending tools and equipment
  • Cocktail preparation and service
  • Bar setup and breakdown
  • Responsible alcohol service
  • Party assistance (if requested)
  • Friendly and professional guest interaction

Setup Requirements:

  • Bartender arrival: 30–60 minutes before guest arrival
  • Minimum workspace: 6-foot table recommended
  • Adequate lighting in service area
  • Easy access for loading and unloading supplies

Recommended Bar Quantities:

  • 1 Bartender: Up to 75 guests
  • 2 Bartenders: 75–150 guests
  • Party Assistant: Recommended for events over 30 guests