Analyzing 5,760,1035.8M ReviewsFor 15,83615.8K Experts

Experts Reviews · Company report
A1 Smog STAR CERTIFIED station logoHow the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%90+49.1Reliability 24%91+22.1Value 14%51+7.2Replies to reviews 7%17+1.2Craft & service penalty99−0.1Experts Score= 79Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.79SCORE

A1 Smog STAR CERTIFIED station

Vallejo, CA · Grade BLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #23Position by Experts Score among all companies we track in this category. of 35 well inspectors · 4.8★ from 181 Google reviews

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Report card

Percentile vs other well inspectors (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: momentum and craft & service; weakest: replies to reviews.

SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.A1 Smog STAR CERTIFIED station is better than 90% of well inspectors.A
90
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.A1 Smog STAR CERTIFIED station is better than 91% of well inspectors.A
91
Craft & serviceCraft & service · 0% of the scoreGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.A1 Smog STAR CERTIFIED station is better than 99% of well inspectors.A
99
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.A1 Smog STAR CERTIFIED station is better than 51% of well inspectors.C
51
MomentumMomentum · 0% of the scorePenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.A1 Smog STAR CERTIFIED station is better than 100% of well inspectors.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.A1 Smog STAR CERTIFIED station is better than 17% of well inspectors.F
17

Reviews for your job

Customers hired A1 Smog STAR CERTIFIED station for 2 kinds of job.

A1 Smog STAR CERTIFIED station for smog certification

Clear ✕
Jobs reviewedHow many Google reviews are tagged with this job.9
★ on this jobAverage stars on the reviews where the customer tagged this exact job (Google’s “Services” field).4.67
Usually paidThe price range customers picked most often for this job.—
Rank for this jobPosition of this company in the Job match ranking for this job among the companies we track.Its Job match: 70/100.How Job match is calculatedBuilt only from reviews Google tagged “Smog certification”:Stars on this job 55%Number of such jobs 25%Overall Experts Score 20%Stars are pulled toward the category average when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.#3 / 6

All 9 Google reviews tagged “Smog certification”

RobertLocal Guide · 81 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited a year ago★★★★★

Very friendly and honest.still going there every 5 years. Great service fast and honest. Would not go anywhere else. Its nice to be able to go to a shop and know there not going to rip you off. Still the only smog place i will go. Going there tomorrow.

Month & year tag replacementSmog certification
Husam10 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 3 years ago★★★★★

Very nice guy. Great price

DieselsEmissions testingSmog certification+ Punctuality+ Quality+ Professionalism
DanielLocal Guide · 12 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 years ago★★★★★

A1 just earned themselves another customer. An excellent location with plenty of parking and shade (very rare in the smog industry here in Vallejo). Excellent customer service. The owner is a top notch guy. Very friendly, straight-shooter, honest businessman. No "mickey mouse" smog here. He's been in the business…

Smog certification
Usama9 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 years ago★★★★★

Nothing but good things to say about A1 Smog, and no reason other than the fantastic owner. I bring EVERY car I have to get smogged here. Sayed is a very hard working, honest, and friendly man. He's very quick to get you on your way with your day as well. Best prices in town as well. Location is pretty good too, its…

Smog certification
Sola4 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 years ago★★★★★

Good, honest business owner. Before he took my money, he lead me the right direction to get my after market catalytic converter certified. After i did that, went back and my car passed smog. Thx for the great, honest service.

Emissions testingSmog certification
Zachary3 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 years ago★★★★★

Actually came here a few months back when my ship was stationed here. Couldn’t get into my google account at the time but I remember this place enough to give a good review. Had a good conversation with the owner and my car was in and out in no time for a smog cert. Really appreciate the work that was done here.

Smog certification+ Professionalism
AlejandroLocal Guide · 13 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 5 years ago★★★★★

The guy running the place is fast and professional. I always come here for my smog and I am always happy with the service and price. HIGHLY RECOMMEND!!!

Smog certification+ Punctuality+ Quality+ Professionalism
jasmin9 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 years ago★★★★★

Rating only, no written review.

Smog certification+ Punctuality+ Professionalism+ Value
Jordan2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 6 years ago★★

Rating only, no written review.

Smog certification− Value

Price

Not enough reviews with a price yet.

Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.

Great price 0%Reasonable 0%Overpriced 0%Not sure 0%

Jobs customers hired them for

JobReviewsCategory typical
Smog certification9—
Emissions testing2—

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