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Market Analysis · CBSA 44180

Springfield Car Wash Market Analysis

Springfield, MO

Data updated · May 22, 2026

A detailed read of the Springfield car wash industry built from 23,713 Google reviews across 303 locations in 5 counties. Covers format mix, operator dominance, geographic distribution, income demographics, and customer-experience signals at the metro, county, and ZIP level.

Express Tunnel (21)Detail Shop (18)In-Bay Automatic (5)Self-Serve Bay (4)Full Service (1)

303 car wash locations across 5 counties · dots colored by format · sized by review volume

Locations
303
Chains
12
+ 269 independents
Reviews
24K
Avg Rating
4.44
Damage Rate
1.40%
Median AGI/return
$62K
location-weighted
Executive Read

The Springfield metropolitan area hosts 303 car wash locations across its 5 counties — among the largest car-wash trade areas in the United States. Operating-quality signals are derived from 23,713 Google reviews, with 7,502 reviews processed through structured LLM extraction across 55 dimensions. The weighted-average rating across all locations is 4.44★, with a reviewer-reported damage rate of 1.40% and a membership-cancellation friction rate of 10.7% of mem-discussing reviews.

The market is highly fragmented: 269 of 303 locations (88.8%) operate as independents or single-location operators, while the top 10 chains together control 32 locations (10.6%). The largest single operator by location count is Mister Car Wash with 9 sites in the MSA.

Of 49 locations that have been formally format-classified, the dominant concept is Express Tunnel (21 sites), with strong secondary presence from Detail Shop (18), Full Service (1), and Self-Serve Bay (4). The remaining 254 locations are unclassified — typically smaller independent operators without enough website signal for format assignment.

Top operators

See the top car wash chains in Springfield

Ranked by location count in the metro

Frequently Asked Questions

About the Springfield car wash market

How many car washes are in the Springfield metro?

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There are 303 car wash locations across the Springfield, MO CBSA, spanning 5 counties.

What is the best-rated car wash in the Springfield metro?

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Somo Customs in Ozark, MO is the highest-rated car wash in the Springfield metro at 5.0★ across 423 Google reviews (filtering to locations with at least 100 reviews).

Which car wash chain has the most locations in Springfield?

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Mister Car Wash has the most locations in the Springfield metro with 9 sites, followed by Blue Iguana Car Wash (6 sites). The metro has 12 multi-location operators in total, alongside 269 independent or single-location sites.

What is the average customer rating in the Springfield car wash market?

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The review-weighted average rating across all 303 car washes in the Springfield metro is 4.44★, based on 23,713 Google reviews processed through WashIndex's customer-experience pipeline.

What is the typical household income near car washes in Springfield?

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Across the ZIP codes containing the Springfield metro's car washes, the location-weighted median IRS-reported AGI per tax return is $62K (tax year 2022) — a rough proxy for trade-area household income.
01 Format Mix

What kinds of car washes does Springfield have?

The Springfield MSA contains a wide mix of car wash formats — from express tunnels and full-service operations to detail shops and self-serve bays. The bar chart below shows how many locations of each format have been formally classified by our LLM-based format classifier (which reads each operator's own website to determine the format), with the avg Google rating per format displayed alongside the count.

The format with the highest customer rating is Detail Shop at 4.75★ across 18 locations — typical of the format, which is staffed, hand-finished, and oriented toward customers who care more about wash result than throughput. The lowest-rated format is Full Service at 3.60★ across 1 locations. Format-level rating gaps of this size are common — different formats serve different customer occasions and have inherently different expectations.

Of the 303 total locations in the MSA, 254 (83.8%) are currently unclassified — these are typically smaller independent operators without enough website signal to determine format unambiguously. Their inclusion in the overall location count is correct, but format-level statistics below should be read as describing the classified subset only.

Unclassified254 (83.8%) · 4.52★Express Tunnel21 (6.9%) · 4.42★Detail Shop18 (5.9%) · 4.75★In-Bay Automatic5 (1.7%) · 4.27★Self-Serve Bay4 (1.3%) · 4.26★Full Service1 (0.3%) · 3.60★
Format Locations % of MSA Reviews Avg Rating Damage Rate Cancel Friction
Unclassified 254 83.8% 6,380 4.52 0.48% 7.1%
Express Tunnel 21 6.9% 13,625 4.42 1.97% 10.9%
Detail Shop 18 5.9% 1,430 4.75 0.19%
In-Bay Automatic 5 1.7% 1,135 4.27 0.00% 0.0%
Self-Serve Bay 4 1.3% 699 4.26 1.87% 0.0%
Full Service 1 0.3% 444 3.60 3.13%
02 Income & Demographics

What is the household income near Springfield car washes?

Each ZIP in the Springfield MSA has been joined to IRS Statistics-of-Income data (tax year 2022, mean Adjusted Gross Income per return as the income proxy) and to the per-location Google rating dataset. The scatter below plots every car wash with at least 10 reviews against its ZIP-level income, with each dot colored by format and sized by review volume.

Across 97 qualifying locations the simple Pearson correlation between ZIP income and Google rating is 0.04 — effectively zero. Higher-income ZIPs in the MSA do not produce systematically better-rated car washes. Operating-quality signals are dominated by per-operator execution, not by neighborhood income. The mean-of-scatter location sits at $67K AGI/return and 4.44★.

3.0★3.5★4.0★4.5★5.0★$20K$50K$80K$110K$140K$170K$200KMean AGI per Tax Return (ZIP)Google RatingBlue Iguana Car Wash — Springfield (65804): 4.5★, 1618 reviews, $84K AGI per return, Express TunnelTsunami Express Car Wash — Ozark (65721): 4.4★, 1005 reviews, $82K AGI per return, Express TunnelTsunami Express Car Wash — Nixa (65714): 4.5★, 884 reviews, $87K AGI per return, Express TunnelTsunami Express Car Wash — Springfield (65807): 4.7★, 883 reviews, $51K AGI per return, Express TunnelIn & Out Car Wash — Springfield (65802): 4.2★, 869 reviews, $59K AGI per return, Express TunnelMister Car Wash — Springfield (65807): 4.0★, 821 reviews, $51K AGI per return, Express TunnelMister Car Wash — Springfield (65807): 4.3★, 811 reviews, $51K AGI per return, Express TunnelMister Car Wash — Springfield (65804): 4.0★, 757 reviews, $84K AGI per return, Express TunnelBlue Iguana Car Wash — Springfield (65803): 4.7★, 690 reviews, $56K AGI per return, Express TunnelMister Car Wash — Springfield (65804): 4.0★, 672 reviews, $84K AGI per return, Express TunnelBlue Iguana Car Wash — Springfield (65803): 4.8★, 662 reviews, $56K AGI per return, Express TunnelCrash Champions Collision Repair Springfield Dwtn — Springfield (65806): 4.7★, 643 reviews, $34K AGI per return, UnclassifiedBlue Iguana Car Wash — Springfield (65802): 4.6★, 608 reviews, $59K AGI per return, Express TunnelSam's Club Gas Station — Springfield (65810): 4.4★, 556 reviews, $94K AGI per return, In-Bay AutomaticBlue Iguana Car Wash — Springfield (65804): 4.3★, 556 reviews, $84K AGI per return, Express TunnelGlide Xpress Car Wash — Springfield (65804): 4.7★, 553 reviews, $84K AGI per return, Express TunnelMister Car Wash — Springfield (65804): 4.3★, 537 reviews, $84K AGI per return, Express TunnelPatriot Auto & Dog Wash — Springfield (65807): 4.3★, 487 reviews, $51K AGI per return, In-Bay AutomaticGlass Tint USA — Springfield (65807): 4.9★, 465 reviews, $51K AGI per return, UnclassifiedBlue Iguana Car Wash — Springfield (65807): 4.6★, 445 reviews, $51K AGI per return, Express TunnelQuality Truck Washes - Strafford, MO — Strafford (65757): 3.6★, 444 reviews, $84K AGI per return, Full ServiceGlide Xpress Car Wash — Springfield (65807): 4.8★, 424 reviews, $51K AGI per return, Express TunnelSomo Customs — Ozark (65721): 5.0★, 423 reviews, $82K AGI per return, UnclassifiedGlass Tint USA — Springfield (65804): 5.0★, 400 reviews, $84K AGI per return, UnclassifiedMister Car Wash — Springfield (65807): 4.3★, 395 reviews, $51K AGI per return, Express TunnelPhillips 66 — Springfield (65802): 3.9★, 378 reviews, $59K AGI per return, UnclassifiedBelk Detailing, Window Tinting, Ceramic Coatings, & Paint Protection Film — Springfield (65804): 5.0★, 322 reviews, $84K AGI per return, Detail ShopBrentwood Car 'n' Van Wash — Springfield (65804): 4.2★, 288 reviews, $84K AGI per return, Self-Serve BayAuto Spa — Nixa (65714): 4.3★, 253 reviews, $87K AGI per return, Self-Serve BayVroom Car Wash — Springfield (65802): 3.8★, 234 reviews, $59K AGI per return, UnclassifiedCar Bar Express Car Wash — Republic (65738): 4.4★, 234 reviews, $69K AGI per return, UnclassifiedHurricane Bay Carwash Republic — Republic (65738): 4.0★, 232 reviews, $69K AGI per return, UnclassifiedMister Car Wash — Springfield (65802): 4.6★, 221 reviews, $59K AGI per return, Express TunnelHurricane Bay Carwash — Buffalo (65622): 4.3★, 220 reviews, $53K AGI per return, UnclassifiedVroom Groom Car Wash — Springfield (65802): 3.8★, 205 reviews, $59K AGI per return, Detail ShopHurricane Bay Car Wash — Ozark (65721): 3.7★, 185 reviews, $82K AGI per return, UnclassifiedWittmann Detailing — Springfield (65802): 5.0★, 172 reviews, $59K AGI per return, Detail ShopAuto Spa — Springfield (65807): 4.4★, 161 reviews, $51K AGI per return, UnclassifiedHurricane Bay Carwash - Bolivar — Bolivar (65613): 4.1★, 155 reviews, $61K AGI per return, UnclassifiedAuto Spa — Battlefield (65619): 4.5★, 137 reviews, $77K AGI per return, Self-Serve BayMister Car Wash — Springfield (65802): 4.6★, 128 reviews, $59K AGI per return, Express TunnelPride Auto Detailing — Springfield (65803): 4.6★, 123 reviews, $56K AGI per return, Detail ShopModern Motorcars Detail — Nixa (65714): 5.0★, 109 reviews, $87K AGI per return, UnclassifiedHurricane Bay — Marshfield (65706): 3.8★, 104 reviews, $62K AGI per return, Unclassified166 Auto Auction — Springfield (65807): 4.4★, 102 reviews, $51K AGI per return, Unclassified417 Details — Ozark (65721): 5.0★, 100 reviews, $82K AGI per return, Detail ShopAqua-Master Car & Truck Wash — Marshfield (65706): 4.4★, 99 reviews, $62K AGI per return, UnclassifiedAli's Truck Wash — Springfield (65802): 3.3★, 97 reviews, $59K AGI per return, UnclassifiedWinder & Company, Inc. — Springfield (65802): 4.8★, 94 reviews, $59K AGI per return, UnclassifiedKearney Street Truck Wash — Springfield (65803): 3.5★, 93 reviews, $56K AGI per return, UnclassifiedStatus Auto Detailing — Springfield (65810): 4.9★, 88 reviews, $94K AGI per return, Detail ShopMister Car Wash — Republic (65738): 4.1★, 86 reviews, $69K AGI per return, Express TunnelDetail Armor LLC - PPF and Auto Detailing — Springfield (65807): 5.0★, 84 reviews, $51K AGI per return, Detail ShopEssential autowerks — Nixa (65714): 5.0★, 81 reviews, $87K AGI per return, UnclassifiedStauffer Towing & Recovery — Urbana (65767): 4.8★, 79 reviews, $60K AGI per return, UnclassifiedBolivar Auto Sales and Detailing — Bolivar (65613): 4.4★, 77 reviews, $61K AGI per return, UnclassifiedMega Suds Carwash — Willard (65781): 3.6★, 75 reviews, $70K AGI per return, UnclassifiedAJ Film CO. — Springfield (65807): 4.8★, 62 reviews, $51K AGI per return, UnclassifiedDetailing Complete - Mobile Detailing — Springfield (65802): 5.0★, 59 reviews, $59K AGI per return, UnclassifiedRevived Rides by Rowdy — Bruner (65620): 5.0★, 53 reviews, $42K AGI per return, UnclassifiedHail Center — Nixa (65714): 5.0★, 52 reviews, $87K AGI per return, Detail ShopTuff Motorsports Mobile Detailing — Seymour (65746): 4.8★, 45 reviews, $53K AGI per return, Detail ShopBattlefield Eagle Stop — Springfield (65807): 2.8★, 44 reviews, $51K AGI per return, In-Bay Automatic3rdEye Details — Springfield (65804): 5.0★, 41 reviews, $84K AGI per return, UnclassifiedJennings Auto Sales — Buffalo (65622): 4.1★, 38 reviews, $53K AGI per return, UnclassifiedMing Auto Beauty Center — Springfield (65804): 4.4★, 38 reviews, $84K AGI per return, Detail ShopHurricane Bay Carwash — Strafford (65757): 3.6★, 38 reviews, $84K AGI per return, UnclassifiedWillard Eagle Stop — Willard (65781): 3.6★, 34 reviews, $70K AGI per return, In-Bay AutomaticStellar Car Detailing Ozark — Ozark (65721): 4.9★, 33 reviews, $82K AGI per return, Detail ShopPanther Bay — Morrisville (65710): 4.5★, 33 reviews, $57K AGI per return, UnclassifiedExcel Auto Detailing — Springfield (65803): 4.7★, 31 reviews, $56K AGI per return, Detail ShopAuto Spa — Clever (65631): 3.2★, 30 reviews, $72K AGI per return, UnclassifiedFuqua Mobile Detail — Nixa (65714): 5.0★, 30 reviews, $87K AGI per return, Detail ShopBonds Custom Detailing — Springfield (65804): 5.0★, 28 reviews, $84K AGI per return, Detail ShopDMDetail — Springfield (65803): 5.0★, 24 reviews, $56K AGI per return, UnclassifiedApex Detailing — Nixa (65714): 5.0★, 23 reviews, $87K AGI per return, Detail Shop417 Restorations — Nixa (65714): 5.0★, 22 reviews, $87K AGI per return, UnclassifiedMissouri Detail Lab — Springfield (65807): 4.8★, 22 reviews, $51K AGI per return, Detail ShopWaterworks Co Car Wash — Bolivar (65613): 4.5★, 22 reviews, $61K AGI per return, UnclassifiedSouthwest Dealer Services — Springfield (65802): 4.5★, 21 reviews, $59K AGI per return, UnclassifiedHurricane Bay Car Wash — Rogersville (65742): 3.0★, 21 reviews, $88K AGI per return, Self-Serve BayS.M Auto Empire LLC — Rogersville (65742): 5.0★, 19 reviews, $88K AGI per return, UnclassifiedLamb Auto Detailing — Willard (65781): 5.0★, 19 reviews, $70K AGI per return, Detail ShopElevated AutoWerks — Nixa (65714): 5.0★, 19 reviews, $87K AGI per return, UnclassifiedDust2Glory Detail — Marshfield (65706): 5.0★, 17 reviews, $62K AGI per return, UnclassifiedAppearance Plus Detailing — Springfield (65806): 5.0★, 16 reviews, $34K AGI per return, UnclassifiedStellar Car Detailing North Springfield — Springfield (65803): 5.0★, 15 reviews, $56K AGI per return, Detail ShopBoulineaus OD 11 x 24 P+ — Springfield (65802): 3.2★, 14 reviews, $59K AGI per return, UnclassifiedSpur Eagle Stop — Marshfield (65706): 4.1★, 14 reviews, $62K AGI per return, In-Bay AutomaticGenesis Auto Spa — Brookline (65619): 3.6★, 12 reviews, $77K AGI per return, UnclassifiedPirates Bay — Ash Grove (65604): 3.8★, 12 reviews, $62K AGI per return, UnclassifiedAlmond Auto Detailing — Springfield (65807): 5.0★, 11 reviews, $51K AGI per return, UnclassifiedScrub Hub Car Wash — Billings (65610): 5.0★, 10 reviews, $68K AGI per return, UnclassifiedBrown Automotive Detail, LLC. — Marshfield (65706): 5.0★, 10 reviews, $62K AGI per return, UnclassifiedSuperior Auto Detailing and paint Correction — Nixa (65714): 5.0★, 10 reviews, $87K AGI per return, UnclassifiedGlow Mobile Detailing — Springfield (65807): 4.1★, 10 reviews, $51K AGI per return, UnclassifiedBlingz auto craft llc — Springfield (65802): 4.2★, 10 reviews, $59K AGI per return, Unclassified
Express Tunnel Detail Shop In-Bay Automatic Self-Serve Bay Full Service

Car wash count and quality by income tier

Grouping ZIPs by income tier shows how location count and average rating shift across the income distribution. The blue bars are location count per tier; the orange tick marks show the average Google rating across all car wash locations in that tier (scaled against the same y-axis).

1057953260Under $50K6 locs · 4.73★$50K – $75K105 locs · 4.40★$75K – $100K57 locs · 4.42★$100K – $150K0 locs · 0.00★$150K+0 locs · 0.00★
Income tier (mean AGI/return) ZIPs Locations Reviews Avg Rating Top Format
Under $50K 3 6 718 4.73
$50K – $75K 15 105 11,705 4.40 Express Tunnel (13)
$75K – $100K 7 57 10,416 4.42 Detail Shop (9)
$100K – $150K 0 0 0 0.00
$150K+ 0 0 0 0.00

The highest-income tier ($150K+) contains 0 car washes across 0 ZIPs, with a weighted-average rating of 0.00★ — compared to 6 locations across 3 ZIPs averaging 4.73★ in the lowest-income tier (Under $50K). The middle-income tiers ($75K–$150K) tend to host the densest concentrations of express tunnels — the format that monetizes most effectively at suburban price points.

03 Dominant Chains

Who operates the most Springfield car washes?

The Springfield MSA hosts 12 different chains alongside 269 independent operators (single-location or unaffiliated sites). The table below ranks the top 25 chains by location count in the MSA, with each chain's per-MSA Google rating, reviewer-reported damage rate, and membership cancellation friction rate.

The top 10 chains together control 32 of 303 locations (10.6%) — meaning 89.4% of the MSA's car wash supply remains in the hands of smaller chains and independent operators. That fragmentation level is typical of large US metros and creates meaningful consolidation runway for active acquirers.

# Chain Locations Reviews Avg Rating Damage Cancel Upsell
1 Mister Car Wash 9 4,428 4.17 2.96% 11.9% 3.12%
2 Blue Iguana Car Wash 6 4,579 4.57 1.66% 9.2% 1.07%
3 KK Eagle Stop 3 92 3.29
4 Auto Spa 3 678 4.30
5 Tsunami Express Car Wash 3 2,772 4.53 1.61% 13.2% 1.68%
6 Stellar Car Detailing Ozark 2 48 4.93
7 Glide Xpress Car Wash 2 977 4.74 2.23% 7.4% 0.14%
8 Glass Tint USA 2 865 4.95 0.21% 0.21%
9 Sam's Club Gas Station 1 556 4.40
10 In & Out Car Wash 1 869 4.20
11 Phillips 66 1 378 3.90
12 Fuqua Mobile Detail 1 30 5.00
04 County Breakdown

Which counties have the most car washes in Springfield?

The Springfield, MO CBSA spans 5 counties. The table below shows how the MSA's car wash inventory is distributed across those counties — by location count, total review volume, and weighted-average customer rating.

Greene County is the heart of the metro's car wash supply, hosting 198 locations (65.3%) of the 303 total. Cross-county rating dispersion is narrow — about 0.26★ between the highest and lowest-rated county with meaningful sample size, which suggests operating quality is more a function of operator execution than of county-level market dynamics.

County Locations % of MSA Reviews Avg Rating
Greene County 198 65.3% 18,870 4.42
Christian County 67 22.1% 3,692 4.57
Webster County 17 5.6% 456 4.45
Dallas County 11 3.6% 383 4.45
Polk County 10 3.3% 312 4.32
05 Customer Experience Signals

What do customers love and complain about in Springfield?

Aspect scores aggregate the per-review LLM extractions for 7,502 reviews across all 303 MSA locations. Each score is computed as (positive − negative) / (positive + negative + mixed) for that aspect, ranging from −1 (universally negative) to +1 (universally positive). Numbers above zero mean customers say more positive than negative things; below zero means the reverse.

Reading these together gives a quick read on where the metro's car wash industry stands operationally: which aspects of the experience are reliable strengths and which ones generate the most friction.

Staff +0.87
Wash Quality +0.74
Wait Time +0.73
Facility Cleanliness +0.70
Per-Wash Price +0.39
Membership Value +0.26
Equipment Working -0.40
06 All Locations

Where are all the car washes in the Springfield metro?

The complete inventory of car wash locations in the Springfield MSA, ranked by review volume. Each row shows the operator name, address, format classification (where determined), chain affiliation (when part of a multi-location operator), Google rating, total review count, county, and the IRS mean-AGI-per-return for the ZIP it sits in. Locations with fewer than 10 reviews on Google appear without a rating column populated.

We're showing the top 25 by review volume; the full set of 303 locations is available in the underlying dataset for users requesting a custom market study.

Location City Format Chain Rating Reviews ZIP AGI
Blue Iguana Car Wash
1640 E Sunshine St
Springfield, MO Express Tunnel Blue Iguana Car Wash 4.5 1,618 $84K
Tsunami Express Car Wash
1775 W Marler Ln
Ozark, MO Express Tunnel Tsunami Express Car Wash 4.4 1,005 $82K
Tsunami Express Car Wash
601 N McCroskey St
Nixa, MO Express Tunnel Tsunami Express Car Wash 4.5 884 $87K
Tsunami Express Car Wash
3702 W Univ St
Springfield, MO Express Tunnel Tsunami Express Car Wash 4.7 883 $51K
In & Out Car Wash
2233 N Glenstone Ave
Springfield, MO Express Tunnel In & Out Car Wash 4.2 869 $59K
Mister Car Wash
4115 S Campbell Ave
Springfield, MO Express Tunnel Mister Car Wash 4.0 821 $51K
Mister Car Wash
1737 S Kansas Expy
Springfield, MO Express Tunnel Mister Car Wash 4.3 811 $51K
Mister Car Wash
2323 E Sunshine St
Springfield, MO Express Tunnel Mister Car Wash 4.0 757 $84K
Blue Iguana Car Wash
2118 E Kearney St
Springfield, MO Express Tunnel Blue Iguana Car Wash 4.7 690 $56K
Mister Car Wash
1240 E Battlefield Rd
Springfield, MO Express Tunnel Mister Car Wash 4.0 672 $84K
Blue Iguana Car Wash
1137 W Kearney St
Springfield, MO Express Tunnel Blue Iguana Car Wash 4.8 662 $56K
Crash Champions Collision Repair Springfield Dwtn
502 W Walnut St
Springfield, MO 4.7 643 $34K
Blue Iguana Car Wash
3316 W Chestnut Expy
Springfield, MO Express Tunnel Blue Iguana Car Wash 4.6 608 $59K
Sam's Club Gas Station
745 W El Camino Alto St
Springfield, MO In-Bay Automatic Sam's Club Gas Station 4.4 556 $94K
Blue Iguana Car Wash
4304 S Fremont Ave
Springfield, MO Express Tunnel Blue Iguana Car Wash 4.3 556 $84K
Glide Xpress Car Wash
3015 E Sunshine St
Springfield, MO Express Tunnel Glide Xpress Car Wash 4.7 553 $84K
Mister Car Wash
1146 S Glenstone Ave
Springfield, MO Express Tunnel Mister Car Wash 4.3 537 $84K
Patriot Auto & Dog Wash
1835 W Kingsley St
Springfield, MO In-Bay Automatic 4.3 487 $51K
Glass Tint USA
1815 W Sunset St
Springfield, MO Glass Tint USA 4.9 465 $51K
Blue Iguana Car Wash
3155 S Campbell Ave
Springfield, MO Express Tunnel Blue Iguana Car Wash 4.6 445 $51K
Quality Truck Washes - Strafford, MO
319 E Evergreen St
Strafford, MO Full Service 3.6 444 $84K
Glide Xpress Car Wash
211 W Battlefield Rd
Springfield, MO Express Tunnel Glide Xpress Car Wash 4.8 424 $51K
Somo Customs
3501 Industrial Ct S ste b
Ozark, MO 5.0 423 $82K
Glass Tint USA
1848 S Old Ingram Mill Rd
Springfield, MO Glass Tint USA 5.0 400 $84K
Mister Car Wash
1820 W Battlefield Rd
Springfield, MO Express Tunnel Mister Car Wash 4.3 395 $51K

About this analysis

Car wash inventory for the Springfield, MO CBSA is determined by point-in-polygon test against the official US Census county boundaries (TIGER/Line, 2024) for the 5 counties that make up the MSA. Each location was verified to fall inside one of those county polygons; lat/lng comes from Google Maps metadata.

Operating-quality signals are derived from 7,502 customer reviews processed through WashIndex's 55-field LLM extraction pipeline. Format classification comes from a separate per-location website-reading classifier. ZIP-level income data is from the IRS Statistics of Income (tax year 2022) — mean Adjusted Gross Income per tax return, which is directionally aligned with ACS median household income but available without authentication.

See our full methodology for the extraction pipeline, validation samples, and aggregation logic.

Drill into the data directly.

The free WashIndex platform shows every Springfield car wash on an interactive map, with the same review-derived signals and demographic overlays that power this analysis. Filter by format, drive-time, or operator and compare any location head-to-head with its true competitive set.