Walnut Creek, California · 10 years in business
A mobile car wash and detailing crew serving Walnut Creek and the surrounding area.
Everything below this line — the compliance file, operational scorecard, proof-of-work records, dispute protocol, and credentialed reviews — is generated sample content that illustrates the WashAttest record format. It is not real data about Summit Detail Co.. This business is not yet in our directory, so no real data exists for it on this page.
Sample record snapshot
Verified Aug 21, 2026
Trailing 12 months
Attached to this listing
All resolved
Each document is checked against the issuing source and re-verified at renewal. An expired or missing item stays visible on the record.
General liability insurance
Hiscox — $1M / $2M aggregate
verified
Expires Mar 16, 2027
Workers' compensation
Hiscox — statutory limits, 24 employees covered
expiring
Expires Nov 21, 2026
Business license
State contractor registration #655057
verified
Expires Aug 19, 2027
Stormwater / NPDES permit
State general permit for mobile washing discharge
verified
Expires May 10, 2027
OSHA safety program
Documented training program, 0 recordable incidents in 12 months
verified
No expiry on file
Water reclamation and discharge
Trailing 12 months, drawn from 97 documented visits. These are the numbers a star rating hides.
Arrived within the agreed service window
Visits requiring a return trip
Median time to first reply
Documented nightly capacity
Contracts renewed at term
Recordable incidents per 1,000 visits
Documentation attached to this listing and reconciled against billing, so a claim about work performed can be checked rather than taken on faith.
Timestamped photo pairs captured at the start and end of each scheduled visit, retained for 24 months.
Per-visit log recording date, unit identifiers, services performed, and the crew on site.
Current certificate naming the required additional insured, re-verified at each renewal.
Unit-level report reconciling units serviced against units billed for the billing period.
A business can answer a review with evidence. The record shows the claim, the response, the evidence, and the outcome — including when the review was upheld.
No disputes have been filed against this listing.
25 of 29 reviews come from a verified operator role. Roles on this listing: Small business owner, Collector, Vehicle owner, Dealership manager, Realtor, Fleet manager, Rideshare driver.
Jerome N.
Small business owner
Oct 12, 2026
They came to my apartment complex in Walnut Creek with their own water and power. They did not rush a single step.
Mobile Detailing · Walnut Creek, California · via Direct
Nina O.
Collector
Oct 4, 2026
The detailer was professional, on time, and clearly cared about the result. They were careful around the trim and badges.
Mobile Detailing · Walnut Creek, California · via Google
Kelsey B.
Small business owner
Jul 14, 2026
The convenience of a mobile detail in Walnut Creek is worth every penny. They cleaned areas I did not even know were dirty.
Mobile Detailing · Walnut Creek, California · via Facebook
Rosa A.
Small business owner
Jun 10, 2026
Mobile detailing in Walnut Creek that actually shows up when they say they will. Good service. I would have liked a text when they were on the way.
Mobile Detailing · Walnut Creek, California · via Yelp
Toni J.
Vehicle owner
May 23, 2026
My Volkswagen Tiguan had pet hair everywhere. You would never know now. Every crevice was spotless, including the vents and cup holders.
Mobile Detailing · Walnut Creek, California · via Google
Jerome K.
Dealership manager
May 13, 2026
They detailed my Audi Q5 while I was at work in Walnut Creek. Great job on the exterior. The interior was good, not perfect.
Mobile Detailing · Walnut Creek, California · via Google
Monica W.
Dealership manager
May 4, 2026
Booked the interior and exterior package for my BMW 3 Series. The leather was conditioned and looks and feels great.
Mobile Detailing · Walnut Creek, California · via Google
Alexis J.
Collector
Apr 20, 2026
Booked online, confirmed in minutes, detailed the next morning in Walnut Creek. They took before-and-after photos without me even asking.
Mobile Detailing · Walnut Creek, California · via Google
Wesley T.
Realtor
Apr 11, 2026
Mobile detailing in Walnut Creek that actually shows up when they say they will. It rained the next day and the water beaded right off.
Mobile Detailing · Walnut Creek, California · via Yelp
Yvette H.
Dealership manager
Apr 10, 2026
They detailed my Porsche Macan at my office parking lot in Walnut Creek. Only reason it is not five stars is the appointment ran about 30 minutes late.
Mobile Detailing · Walnut Creek, California · via Yelp
Bethany U.
Dealership manager
Apr 1, 2026
Booked a gift detail for my dad and his Acura MDX in Walnut Creek — he was thrilled. Good service. I would have liked a text when they were on the way.
Mobile Detailing · Walnut Creek, California · via Yelp
Beth T.
Collector
Mar 7, 2026
Full interior shampoo on my Ford F-150 and the seats look brand new. They even cleaned the door jambs and the trunk seal.
Mobile Detailing · Walnut Creek, California · via Google
Nathan R.
Collector
Mar 6, 2026
Great communication from booking to finish in Walnut Creek. Every crevice was spotless, including the vents and cup holders.
Mobile Detailing · Walnut Creek, California · via Google
Denise K.
Fleet manager
Feb 18, 2026
Mobile detailing that comes to you in Walnut Creek — exactly what I needed. They did not rush a single step.
Mobile Detailing · Walnut Creek, California · via Yelp
Neil E.
Realtor
Feb 13, 2026
My Chevy Silverado is my daily driver and it shows — not anymore. Great work overall — I just wish the booking window was tighter.
Mobile Detailing · Walnut Creek, California · via Yelp
Keisha E.
Fleet manager
Jan 22, 2026
Best mobile car wash I have found in Walnut Creek. No water spots, no streaks, no shortcuts.
Mobile Detailing · Walnut Creek, California · via Google
Rosa L.
Collector
Jan 19, 2026
Fine work, but I expected more for what I paid. The price went up from the quote without explanation.
Mobile Detailing · Walnut Creek, California · via Google
Cara R.
Rideshare driver
Jan 15, 2026
Booked a gift detail for my dad and his Toyota 4Runner in Walnut Creek — he was thrilled. The interior smelled brand new when they finished.
Mobile Detailing · Walnut Creek, California · via Facebook
Elliot T.
Fleet manager
Jan 7, 2026
I use them for every vehicle in the family here in Walnut Creek. The glass was crystal clear inside and out.
Mobile Detailing · Walnut Creek, California · via Google
Hector C.
Vehicle owner
Dec 26, 2025
Booked the interior and exterior package for my Range Rover Sport. Quality work. Just note they need access to a power outlet.
Mobile Detailing · Walnut Creek, California · via Yelp
Gordon K.
Small business owner
Dec 13, 2025
I was skeptical about a mobile detail, but my Volvo XC90 looks incredible. It rained the next day and the water beaded right off.
Mobile Detailing · Walnut Creek, California · via Google
Hector E.
Dealership manager
Sep 1, 2025
The detail itself was fine, but getting it booked was frustrating. The appointment was rescheduled twice.
Mobile Detailing · Walnut Creek, California · via Google
Clay J.
Realtor
Jul 20, 2025
I was skeptical about a mobile detail, but my Lexus RX looks incredible. Great job on the exterior. The interior was good, not perfect.
Mobile Detailing · Walnut Creek, California · via Google
Victor J.
Dealership manager
Jul 13, 2025
Had them out to my place in Walnut Creek for a ceramic coating on my Toyota Tacoma. The leather was conditioned and looks and feels great.
Mobile Detailing · Walnut Creek, California · via Google
Javier J.
Collector
Jul 12, 2025
My Ram 1500 is my daily driver and it shows — not anymore. Every crevice was spotless, including the vents and cup holders.
Mobile Detailing · Walnut Creek, California · via Google
Miles D.
Small business owner
Jul 6, 2025
The convenience of a mobile detail in Walnut Creek is worth every penny. Good service. I would have liked a text when they were on the way.
Mobile Detailing · Walnut Creek, California · via Google
Dana J.
Small business owner
Jun 30, 2025
I have tried every car wash in Walnut Creek and this is the one I keep coming back to. Zero swirl marks after the polish.
Mobile Detailing · Walnut Creek, California · via Yelp
Ivy G.
Realtor
Jun 17, 2025
Disappointing service from start to finish. I was charged the full amount for a partial job.
Mobile Detailing · Walnut Creek, California · via Google
Xavier M.
Rideshare driver
May 15, 2025
Two kids, a dog, and a Tesla Model Y — they made it look new again. They did not rush a single step.
Mobile Detailing · Walnut Creek, California · via Facebook
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Walnut Creek, California
Paint-safe hand washing, interior deep cleans, and ceramic coating applied on site.
Walnut Creek, California
Paint-safe hand washing, interior deep cleans, and ceramic coating applied on site.