Austin's Premier Car Care
Experience a New Shine
For Your Car
Built with the latest in car wash technology, our Tunnel Wash, Touchless Wash, and Self-Serve options ensure your vehicle radiates with a spotless shine — every single time.
Discover Our ServicesOur Wash Options
Three Ways to Shine
Choose the perfect wash for your vehicle's needs — each designed for a flawless finish.
Tunnel Wash
Experience a fast, effective clean with our state-of-the-art automated tunnel system. Precisely calibrated brushes and premium foam deliver a showroom-quality finish in just 3 minutes.
Touchless Wash
Gentle yet powerful cleaning using precision high-pressure water jets and specialized pH-balanced detergents. Ideal for vehicle wraps, ceramic coatings, and delicate paint finishes.
Self-Serve Wash
Take control with our fully equipped, heated bays offering presoak, foam brush, high-pressure rinse, and spot-free rinse. Everything you need for a hands-on, meticulous clean.
Why Black Diamond
More Than a Wash.
It's an Experience.
We're not just a car wash — we're your partner in maintaining your vehicle's pristine condition. Since 2016, our commitment to quality, technology, and customer satisfaction has made us Austin's most trusted name in auto care.
Latest Technology
AI-assisted wash cycles automatically adapt to vehicle size and dirt levels for an optimal clean every time.
Eco-Friendly Products
Our water reclamation system recycles 85% of water used, and all soaps are 100% biodegradable.
Fast & Efficient Service
Average wait time under 4 minutes. Our express lane gets you in and out quickly without compromising quality.
Customer Satisfaction
Rated 4.9/5 from 1,200+ reviews. If you're not happy, we'll re-wash for free — no questions asked.
24k
Cars Washed in 2024
4.9
Average Rating
85%
Water Recycled
What Our Customers Say
Trusted by Austin Drivers
"Always a great wash! My car comes out sparkling clean every time. The staff is friendly and the service is quick. The unlimited monthly plan has saved me so much time — I'm in and out in 5 minutes."
Michael Reynolds
Local Business Owner
"The touchless wash is fantastic for my new Tesla. No scratches, just pure shine. The attention to detail and the quality of their eco-friendly products is unmatched. Best car wash in Austin!"
Sarah Lin
Software Engineer
Visit Us
Conveniently Located.
Always Ready for You.
Drop by our south Austin location — just off I-35 and Slaughter Lane. Open 7 days a week, with extended weekend hours and free courtesy vacuums.
4208 S Congress Ave
Austin, TX 78745
Mon – Sat: 7am – 8pm
Sun: 8am – 6pm
Interactive Map
Get Directions →
Get In Touch
Have Questions?
Questions about our services or monthly packages? We'd love to hear from you.
Gift Cards & More
Give the Gift of Shine
Looking to buy a wash or gift card? Visit our online store. Choose from individual washes, monthly unlimited plans, or premium detailing packages. Gift cards make the perfect present for any car enthusiast.
$25
Classic Gift Card
$50
Premium Gift Card
$99
Ultimate Detail Package
$29
Monthly Unlimited