Car Washes in Mercer County, NJ
Mercer County, NJ has 26 car washes across 4 chains and 17 independents, drawing 7,766 Google reviews with a 4.5% reviewer-reported damage rate. It skews detail shop (54% of locations) and is largely independent-run; its washes rate about average at 4.23★. The BLS counts 22 car-wash employer establishments in the county paying a $34,035 average wage.
Mercer County at a glance
- Car washes
- 26
- 65% independent
- Top operator
- Valet Auto Wash Syracuse
- 4 locations
- Avg rating
- 4.23★
- -0.18 vs U.S. norm
- Damage rate
- 4.5%
- 2.9× U.S. norm
- Top format
- detail shop
- 54% of classified
- BLS establishments
- 22
- employer businesses (QCEW)
Market Quality snapshot
- Population
- 383,286
- ACS 2023 5-year
- Households
- 141,464
- ACS 2023 5-year
- Residents per wash
- 14,742
- 7.6× the national MSA median — lighter supply
- Express tunnels per 10K households
- 0.4
- below the ~0.5 expandable band · 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 Mercer County, NJ
Customer-experience signals
Net sentiment (−1 to +1) across 1,963 AI-analyzed reviews. Positive = more praise than complaints.
Top operators in Mercer County, NJ
| Operator | Locations | Avg rating |
|---|---|---|
| Valet Auto Wash Syracuse | 4 | 4.08 |
| Hamilton Honda Service Center | 2 | 4.27 |
| bp | 2 | 3.33 |
| Shell | 1 | 3.40 |
Car washes in Mercer County, NJ
| Car wash | Rating | Reviews |
|---|---|---|
| Valet Auto Wash Lawrenceville | 4.2 | 1,556 |
| Valet Auto Wash & Express Lube Trenton | 4.3 | 900 |
| Hamilton Honda Service Center | 4.6 | 900 |
| Valet Auto Wash & Express Lube Hamilton | 3.9 | 710 |
| Valet Auto Wash Princeton | 3.7 | 657 |
| Hamilton Car Wash featuring Neoglide | 4.0 | 520 |
| Broad Street Car Wash | 4.0 | 469 |
| Touch of class mobile detailing LLC | 5.0 | 292 |
| Hamilton Car Wash & Detail Center | 3.1 | 257 |
| Finish Line Mobile Detailing LLC | 5.0 | 245 |
| Hopewell Valley Car Wash | 4.1 | 242 |
| Spotless Mobile Detailing | 5.0 | 156 |
| Old Glory Detailing and Paintless Dent Repair | 5.0 | 149 |
| Perfect Choice Auto | 4.7 | 146 |
| bp | 3.4 | 103 |
| Princeton Car Detailing | 4.9 | 102 |
| Top Of The Line Customs | 5.0 | 99 |
| Shell | 3.4 | 73 |
| Blue Sapphire Detailing (Mobile Service) | 5.0 | 42 |
| Gloss Labs Auto NJ | 5.0 | 39 |
| Lather Up Mobile Detailing | 5.0 | 29 |
| First Choice Detailing | 4.9 | 27 |
| Eckel's Auto Detailing LLC | 5.0 | 17 |
| bp | 2.8 | 13 |
| The Detail Shop | 4.1 | 12 |
| Fahyure Car Wash – Mobile At-Home Service | 5.0 | 11 |
About Mercer County, NJ
How many car washes are in Mercer County, NJ?
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What is the most common type of car wash in Mercer County, NJ?
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How much do car wash workers make in Mercer 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 Mercer County, NJ — Market Analysis & Statistics. https://washindex.com/car-wash-counties/mercer-county-nj
WashIndex. "Car Washes in Mercer County, NJ — Market Analysis & Statistics." WashIndex. Last modified September 26, 2026. https://washindex.com/car-wash-counties/mercer-county-nj.
"Car Washes in Mercer County, NJ — Market Analysis & Statistics." WashIndex, Sep. 26, 2026, https://washindex.com/car-wash-counties/mercer-county-nj.
@misc{washindex_car_wash_counties_mercer_county_nj_2026,
title = {{Car Washes in Mercer County, NJ — Market Analysis & Statistics}},
author = {{WashIndex}},
year = {2026},
month = {Sep},
url = {https://washindex.com/car-wash-counties/mercer-county-nj},
urldate = {2026-09-26},
} Per-location car-wash data for Mercer County, NJ (format, operators, AI-scored review signals) joined to the county's official BLS footprint. See the Trenton metro analysis · methodology. Free to cite with attribution to WashIndex.