All Shined Up Car Wash
A WashIndex operator profile assembled from 54 AI-extracted Google reviews across 4 locations in 2 states. Customer-experience signals, damage rate, membership health, trade-area competitor density, and a full per-location breakdown.
Data updated · May 24, 2026
4 locations across 2 states · dot size scales with review volume
All Shined Up Car Wash operates 4 locations across 2 states, anchored in Maryland (3) and Pennsylvania (1). It operates predominantly on the Self-Serve Bay format and carries a weighted-average Google rating of 3.90★ across 496 customer reviews.
reviewer-reported vehicle damage is at 7.41% of reviews.
A sustained rating improvement ran from March 2025 to August 2025 (5 months) — the chain's rolling average rose from a baseline of 3.20★ to a peak of 4.78★ in April 2025.
About All Shined Up Car Wash
How many locations does All Shined Up Car Wash have?
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What is the average customer rating at All Shined Up Car Wash?
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What format of car wash is All Shined Up Car Wash?
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Where does All Shined Up Car Wash have the most locations?
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How have All Shined Up Car Wash ratings and review volume trended over time?
Review activity at All Shined Up Car Wash locations spans 26 months — from January 2024 through April 2026 — with 91 customer reviews captured across the chain in that window. That averages out to roughly 4 reviews per month, with peak monthly velocity hitting 11 in June 2024. Comparing the most recent 13 months to the earlier 13, review velocity is trending down: an average of 3/month recently versus 4/month earlier (-10%).
Monthly rating has been volatile across the data window. The chain mean is 3.33★ but the standard deviation is 1.04★ — wide for a stable operation. The chain's best month, July 2024, hit 5.00★; the worst, October 2025, dropped to 1.00★ — a 4.00★ spread between the high-water and low-water marks. That kind of spread is not random seasonal noise; it reflects a specific operational event documented below.
The most recent month (April 2026) closed at 1.00★ — 2.77★ below the trailing three-month average of 3.77★, suggesting the operational pressure is still actively playing out.
Monthly review volume
26 monthsAverage star rating by month
scale 1–5What customers love
No strongly-positive aspect signals.
Where customers complain
- Wash Quality -0.45
Aspect score = (pos − neg) / (pos + neg + mixed), range −1 to +1. See per-pillar leaderboards →
Operational health signals
How much competition does All Shined Up Car Wash face at each site?
The average All Shined Up Car Wash location operates in a market with 5.0 other car-wash businesses within a 1-mile radius — high trade-area density by the standards of the broader US industry. Expanding the ring outward, density grows to 11.8 competitors within the 1–3 mile band and 5.8 within the 3–5 mile band, for a total of roughly 23 nearby car-wash operators inside the 5-mile trade-area boundary on average.
The distribution across locations is uneven. 0 sites (0%) have no other car wash within 1 mile, 1 (25%) have 1–2 competitors at that range, 2 (50%) have 3–5, and 1 (25%) operate in densely-competitive urban-core markets with 6 or more car washes inside a 1-mile ring. Median competitor counts (a less-skewed view than averages): 5 within 1 mile, 10 within 3 miles, 8 within 5 miles.
Quality of nearby competition matters as much as raw count. The average Google rating of competitors within 1 mile of a All Shined Up Car Wash location is 3.98★ — that's the bar each site is benchmarked against by customers choosing where to wash. Per our Car Wash Cannibalization Research, trade areas with 3–10 same-quality competitors typically produce the strongest customer-ramp economics for new operators; empty markets and saturated markets both underperform.
Most-competitive sites in the network: Westminster, MD (9 competitors within 1 mi, rating 4.2★); Eldersburg, MD (5 competitors within 1 mi, rating 4.0★); Hanover, PA (5 competitors within 1 mi, rating 3.3★). Least-competitive sites: Hampstead, MD (1 within 1 mi, rating 4.1★); Eldersburg, MD (5 within 1 mi, rating 4.0★); Hanover, PA (5 within 1 mi, rating 3.3★).
Other car wash places within ring distances of each All Shined Up Car Wash location, computed by haversine distance against the WashIndex location index. Sister sites in the same chain are excluded.
What amenities do customers mention at All Shined Up Car Wash?
Paid vacuums are the most-mentioned amenity at All Shined Up Car Wash locations, surfacing in 3.7% of customer reviews. For chains where free vacuums lead, that's typically the strongest single retention amenity — express-tunnel customers explicitly value the post-wash vacuum bay and chains that remove or paywall the vacuums tend to see a measurable rating drop.
Beyond the top mention, the next tier of customer-noted features includes air dryers (1.9%), spot-free rinse (1.9%). These represent the chain's "talked-about" service mix — features customers either appreciate enough to mention or complain about when they're missing.
Which metros and cities does All Shined Up Car Wash have locations in?
All Shined Up Car Wash operates across the metros and cities below. Each link drills into the WashIndex per-metro or per-city market analysis, with All Shined Up Car Wash's position alongside every other operator.
Which states does All Shined Up Car Wash operate in?
Maryland is the chain's heartland: 3 of 4 locations (75%) operate within the state, with 1 locations spread across 1 other states. All Shined Up Car Wash is geographically concentrated — operational risks, regulatory exposure, and local labor-market dynamics are dominated by one state, which has implications for both expansion strategy and resilience to state-specific shocks.
Customer ratings vary materially by state: Maryland runs highest at 4.07★, while Pennsylvania sits lowest at 3.30★ — a 0.77★ spread across the footprint. 1 state runs at least 0.15★ below the chain-wide weighted-average rating: Pennsylvania (3.30★ vs chain mean 3.90★, 1 location). Cross-state gaps of this magnitude usually reflect either localized operational issues (a problem district manager, regional vendor, or labor-market shock) or a concentration of recently-acquired sites that haven't yet stabilized — both worth investigating at the per-location level.
| State | Locations | Total Reviews | Avg Rating |
|---|---|---|---|
| Maryland | 3 | 383 | 4.07 |
| Pennsylvania | 1 | 113 | 3.30 |
What are the top All Shined Up Car Wash locations by review volume?
Across the 4 All Shined Up Car Wash locations with scored review data, the median Google rating is 4.1★ and the chain-wide mean is 3.90★. Standard deviation across locations is 0.35★ — a measure of how consistently the chain operates from site to site. A standard deviation below 0.2 indicates highly consistent operations; above 0.4 indicates the chain has meaningful per-location quality variance, often tied to acquired versus organically-built sites.
Distribution by rating band: 1 location below 3.5★ (25%), 0 between 3.5–4.0★ (0%), 3 between 4.0–4.4★ (75%), and 0 at 4.4★ or higher (0%). The most-resilient car-wash operators in our research typically have at least 60% of locations in the 4.0–4.4★ band — that's the rating tier with the lowest cannibalization risk when new competitors arrive.
Highest-rated location in the network: Westminster, MD at 4.2★ (69 reviews). Lowest-rated: Hanover, PA at 3.3★ — a 0.9★ spread between the chain's best and worst-performing sites. The busiest location by review volume is Eldersburg, MD with 167 reviews, reflecting both market size and customer-traffic density.
Standard deviation of 0.35★ across locations is wider than the consistency benchmark we typically see for operationally-mature chains (≤0.2★). The size of the spread between best (4.2★) and worst (3.3★) suggests the network includes a mix of organically-built sites running at chain standard and acquired sites that haven't yet been brought up to that standard — a known operational signature for chains in active consolidator-growth mode.
Expand any row in the table below to see that location's full operating profile: trade-area competitor rings (count and avg rating within 1, 3, and 5 miles), the per-location damage rate and membership-cancellation friction rate where sample size allows, the four most-distinctive aspect-sentiment signals (e.g. staff, equipment, value), and a monthly review-velocity sparkline showing how that specific site has trended over the data window.
Eldersburg, MD 6301 Sykesville Rd 4.0 167 reviews 5 / 10 / 8
Trade-Area Competitors
- Car Wash 0.08 mi
- Wash 0.18 mi
- Shop 0.31 mi
- Carroll Clean Car Wash 0.35 mi
- Car Wash 0.47 mi
Operational Signals
- Equipment Working -1.00
- Wash Quality -0.43
- Per-Wash Price +0.33
Monthly Review Velocity
Hampstead, MD 1606 N Main St 4.1 147 reviews 1 / 3 / 4
Trade-Area Competitors
- Jiffy Mart 0.90 mi · 3.9★
Operational Signals
- Facility Cleanliness -1.00
- Equipment Working -0.50
- Wash Quality -0.29
Monthly Review Velocity
Hanover, PA 1187 Carlisle St 3.3 113 reviews 5 / 24 / 8
Trade-Area Competitors
- Express Wash 0.02 mi
- Sheetz 0.03 mi · 3.4★
- Clearview Car Wash 0.50 mi · 4.3★
- ModWash 0.54 mi · 4.8★
- Elm Avenue Car Wash 0.97 mi · 3.0★
Operational Signals
- Wait Time -1.00
- Equipment Working -1.00
- Staff -0.80
- Wash Quality -0.57
Monthly Review Velocity
Westminster, MD 39 Manchester Ave R 4.2 69 reviews 9 / 10 / 3
Trade-Area Competitors
- Hampstead Detailing 0.11 mi · 5.0★
- Marathon Gas 0.24 mi · 4.3★
- Dark Desire Window Tint and Vinyl 0.63 mi · 5.0★
- What in Detail Nation, LLC 0.68 mi · 5.0★
- The Lineup Elite Auto Operation 0.74 mi · 4.2★
Operational Signals
- Staff +1.00
- Facility Cleanliness -1.00
- Per-Wash Price +0.33
- Wash Quality -0.33
Monthly Review Velocity
About this profile
Every operating-quality signal on this page is derived from 54 customer reviews of All Shined Up Car Wash locations, processed through WashIndex’s 55-field LLM extraction pipeline. Competitor counts within 1 / 3 / 5 mi rings are computed by haversine distance against the WashIndex location index across the chain’s states and immediately adjacent ones (sister sites in the same chain are excluded). Monthly review and rating trends are pulled from the raw Google Maps review feed. 0 spam-flagged reviews were excluded from the aggregates.
See our full methodology for the extraction pipeline, validation samples, and aggregation logic.