Car Washes in Warren County, NJ
Warren County, NJ has 13 car washes across 3 chains and 8 independents, drawing 1,958 Google reviews with a 2.0% reviewer-reported damage rate. It skews detail shop (54% of locations) and is largely independent-run; its washes rate well above the national norm at 4.57★. The BLS counts 8 car-wash employer establishments in the county.
Warren County at a glance
- Car washes
- 13
- 62% independent
- Top operator
- Shammy Shine Car Wash
- 3 locations
- Avg rating
- 4.57★
- +0.16 vs U.S. norm
- Damage rate
- 2.0%
- 1.3× U.S. norm
- Top format
- detail shop
- 54% of classified
- BLS establishments
- 8
- employer businesses (QCEW)
Market Quality snapshot
- Population
- 110,238
- ACS 2023 5-year
- Households
- 44,943
- ACS 2023 5-year
- Residents per wash
- 8,480
- 4.4× the national MSA median — lighter supply
- Express tunnels per 10K households
- 1.1
- above ~1.0 — contested · classified sites
Source: U.S. Bureau of Labor Statistics, QCEW (private, NAICS 811192). Counts employer establishments — a narrower universe than all physical wash locations. “—” = withheld by BLS for disclosure.
Format mix in Warren County, NJ
Customer-experience signals
Net sentiment (−1 to +1) across 459 AI-analyzed reviews. Positive = more praise than complaints.
Top operators in Warren County, NJ
| Operator | Locations | Avg rating |
|---|---|---|
| Shammy Shine Car Wash | 3 | 4.42 |
| Pat's Auto Details & Ceramic Coatings | 1 | 5.00 |
| Shell | 1 | 3.90 |
Car washes in Warren County, NJ
| Car wash | Rating | Reviews |
|---|---|---|
| Shammy Shine Car Wash - Greenwich Township | 4.4 | 697 |
| Auto Perfection | 4.8 | 313 |
| Blairstown Auto Spa | 4.7 | 158 |
| Appearance Plus | 4.8 | 155 |
| Washington Car Wash | 4.3 | 147 |
| Pat's Auto Details PPF & Ceramic Coating | 5.0 | 127 |
| Shammy Shine Car Wash- Roseberry St. | 4.5 | 112 |
| A Tech Automotive | 4.5 | 78 |
| Shell | 3.9 | 54 |
| Auto King Perfection LLC | 4.9 | 53 |
| Shammy Shine Car Wash Greenwich Twp | 4.5 | 35 |
| 5 Star Automotive Detailing | 5.0 | 17 |
| Bob's Mobile Car & Truck, Heavy Equipment & RV Detailing | 4.3 | 12 |
About Warren County, NJ
How many car washes are in Warren County, NJ?
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What is the most common type of car wash in Warren County, NJ?
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Data as of 2026-09-26. Pick a format and click Copy.
WashIndex. (2026, September 26). Car Washes in Warren County, NJ — Market Analysis & Statistics. https://washindex.com/car-wash-counties/warren-county-nj
WashIndex. "Car Washes in Warren County, NJ — Market Analysis & Statistics." WashIndex. Last modified September 26, 2026. https://washindex.com/car-wash-counties/warren-county-nj.
"Car Washes in Warren County, NJ — Market Analysis & Statistics." WashIndex, Sep. 26, 2026, https://washindex.com/car-wash-counties/warren-county-nj.
@misc{washindex_car_wash_counties_warren_county_nj_2026,
title = {{Car Washes in Warren County, NJ — Market Analysis & Statistics}},
author = {{WashIndex}},
year = {2026},
month = {Sep},
url = {https://washindex.com/car-wash-counties/warren-county-nj},
urldate = {2026-09-26},
} Per-location car-wash data for Warren County, NJ (format, operators, AI-scored review signals) joined to the county's official BLS footprint. See the Allentown metro analysis · methodology. Free to cite with attribution to WashIndex.