Quality Matters

Our professionals are meticulous in providing an amazing experience for our loyal customers and take pride in our equipment and our facility. We want to earn your business every day and remain your community carwash.

Customer First. Clean Always!

What we offer: Express Carwashes at a great value

Soapbox Express Carwash offers a simple, safe and economical way to keep your life moving along while giving your car the protection it needs at the price you deserve. Soapbox Express Carwash uses industry leading Sonny’s carwash equipment and only top quality chemicals such as Lustra triple foam.

Keep scrolling to view our 4 convenient carwash packages to buy at our location or online.

We also offer these complimentary benefits to the customer

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3 minute EXPRESS TUNNEL carwash - quick in, quick out

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Fast & Easy automated pay terminals

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FREE Vacuums

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Compressed air to clean out hard to reach areas

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Always courteous and professional customer service

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Complimentary towels & all purpose cleaner

Try our 4 Carwash Options


Stock (basic)

  • FREE Vacuums
  • 3 Minute Service
  • Power Air Dry
  • Spot Free Rinse
  • Hush Brush Exterior

Super Stock (good)

Stock PLUS:

  • Undercarriage Rinse
  • Triple Foam Polish
  • Clearcoat Sealer

Masters (better)

Super Stock PLUS:

  • Wheel Blaster
  • Tire Shine
  • Wheel Brite
  • Total Body Protectant

The Ultimate Derby (best value)

Masters PLUS

  • Derby Double Soak
  • Turbo Shine Carnauba Wax
  • Buff 'N' Dry Total Shine

The only carwash in the greater Round Rock area to offer the Five Step “Turbo Shine” with Buff N Dry.

“Turbo Shine” Five Step Carnauba Wax System

Derby Double Soak - Streaming sheet of foamed high PH detergent that loosens all contaminants from the vehicle surface

Triple Foam Polish - Enhance vehicles shine by preparing painted surfaces for sealant with ultra low PH streamed foam detergent application.

Clearcoat Sealer - 3rd foam application of total body sealant that further enhances shine.

Spot Free Rinse - Flushes all foam from grooves, mirrors, and windshield cowls which cures sealants for buffing.

Buff ‘N’ Dry Total Shine - Gently strips residual water droplets, and provides buffing action that activates sealant and enhances vehicle finish.


We offer UNLIMITED Monthly Carwashes. Join our Pit Pass membership!

  • Starting at only .56 cents a day, we make it simple and easy to enjoy unlimited carwashes.
  • This is how it works:
  • 1. Purchase a Pit Pass membership at our automated pay terminals when you visit
  • 2. A Soapbox team member will put a sticker in your windshield
  • 3. Next time you visit, simply approach the gate slowly and it will open. No waiting, no talking, no paying.
  • And the best part, there is NO CONTRACT – cancel any time by emailing or calling.
  • One FLAT MONTHLY RATE keeps your car or truck shiny clean and protected

Stock - 16.99

Super Stock - 24.99

Masters - 34.99

Ultimate Derby - 44.99

  • It’s just that easy to keep your car clean and protected any time you want.

Have a fleet of cars or trucks? We can keep them clean for less.

Soapbox Express Carwash offers a savings program for any business owner with a fleet of cars, trucks, or vans. This discount applies to law enforcement and first responder fleets as well. We offer a customized discount tailored to your needs.

It works like this:

  • Each company vehicle will be issued a fleet charge card.
  • Track all washes on each vehicle and set your own limits
  • We will send an invoice at the end of the month

It’s that easy! Keep you customers happy and stay clean and safe.