Cosmo Car Wash (previously Posh Car Wash)
932 US-9, South Amboy, NJ 08879
What kind of wash it is
Cosmo Car Wash (previously Posh Car Wash) is a car wash at 932 US-9 in South Amboy, New Jersey. It offers express tunnel and full service washing. On site: vacuums, monthly membership and undercarriage wash. It takes cards and tap to pay.
Why we label it this way
- Express tunnel
I got a great Carwash and ended up purchasing the monthly membership and it is so worth my time.
- Full service
My car came out super clean, inside and out.
Quotes come from this car wash's reviews or website.
Prices
- Single wash from
- $12
- Unlimited monthly from
- $24/mo
The cheapest regular prices on its website, checked November 2026. Intro deals are left out. .
Rating
What reviewers bring up most:
- Friendly staff
- Cleanliness
- Tire
- Efficient staff
Details come from this car wash's Google Maps listing and customer reviews, last checked in November 2026. Call ahead if a feature matters to you.
Map
Hours
| Monday | 8 AM – 6 PM |
|---|---|
| Tuesday | 8 AM – 6 PM |
| Wednesday | 8 AM – 6 PM |
| Thursday | 8 AM – 6 PM |
| Friday | 8 AM – 6 PM |
| Saturday | 8 AM – 6 PM |
| Sunday | 8 AM – 5 PM |
Other car washes nearby
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- Sunny Days Carwash
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- Glow Express Car Wash - Old Bridge
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- Conoco
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- Perth Amboy Car Wash
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