Smog inspection station · Vallejo, CA · reviewed since 2022
iHow 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 64%84+53.4Reliability 28%84+23.7Replies to reviews 8%100+8.2Experts Score= 85Not enough data for value; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.85SCORE
AGradeiLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#20 of 35 well inspectorsiPosition by Experts Score among all companies we track in this category. · better than 44%
4.8★★★★★84 Google reviews · 23 photos
93%five-star reviews
4.81★last 12 monthsiAverage stars on reviews from the last 12 months only.
2.4%1–2★ in 2 yearsiShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
Google reviewers rate All Star Smog 4.8 out of 5 based on 84 reviews, highlighting rapid service times, fair pricing, and friendly staff. Many customers note the convenience of walk-in appointments and the clean facility. However, some low-star reviews criticize inaccurate Sunday operating hours and instances where vehicles failed inspection without clear communication or explanation from the staff.
Google rating: 4.8 out of 5 from 84 reviews (93% five-star).
Reviews on this page: 84 Google reviews (73 with written comments, 3 with photos).
Owner responses: the business replied to 100% of reviews.
Most recent review: October 20, 2026.
Service: Well Inspector serving Vallejo, California.
Data from Google, last updated October 26, 2026.
Score profile vs other well inspectors
Score per factor (100 = best)iEach 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 replies to reviews; weakest: reliability.
All Star SmogWell Inspectors median0 = centre, 100 = best
SatisfactioniSatisfaction · 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.All Star Smog: 84/100 on this factor. Category median: 90.A
84
ReliabilityiReliability · 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.All Star Smog: 84/100 on this factor. Category median: 88.A
84
Craft & serviceiCraft & service · penalty only, up to −10 pointsGoogle 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.Not enough reviews for this factor yet. Category median: 97.–
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ValueiValue · 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.Not enough reviews for this factor yet. Category median: 100.–
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MomentumiMomentum · penalty only, up to −10 pointsPenalises 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.All Star Smog: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsiReplies 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.All Star Smog: 100/100 on this factor. Category median: 82.A
100
Bar = this company · dark tick = category median.
Star ratings
84 Google reviews we collected
4.8of 5
5 stars7893%
4 stars34%
3 stars11%
2 stars00%
1 star22%
Praise vs complaints
Phrases our text analysis found in 73 written reviews
97%praise
Praise13797%
Complaints43%
Topic share
How often each topic comes up in the written reviews
7topics
Staff & attitude4330%
Speed & response3424%
Would recommend2417%
Quality & results1712%
Price & value1611%
Communication43%
Honesty & trust32%
What customers talk about
We read 73 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.
“The two ladies who assisted me were very nice and professional.”
“I called to see if they had time for a smog and they helped me right away and gave me a phone call special.”
“I would highly recommend this Smog shop to anyone needing a smog in Vallejo or nearby cities.”
“This smog shop was top notch and best price in town by far.”
“Service was done quickly, efficiently, and at a fair price”
“All aspects from payment options to test results submission were explained to me and I was on my way in no time!”
“They are reliable, efficient, and provide excellent customer service.”
praise complaint · found by our text analysis, Google review wording unchanged.
Reviews for your job
Customers hired All Star Smog for 4 kinds of job. Pick one to see what they paid and said.
JLocal Guide · 28 reviewsiTotal 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 weeks ago★★★★★
Quick and easy smog test. No appointment required. I was in and out in under 15 minutes. Friendly staff and immaculately maintained shop. Check their website for $30 coupon. Cars 2000 and newer pay under $50 for smog test. Star certified for registration that requires a Star facility,
Michael3 reviewsiTotal 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. · a month ago★★★★★
First time here and not the last..I'll be referring family and friends there for their smog needs..they got me in and out in about 10 minutes as told..friendly staff..and to top it off..one of them is from my dad's village Santa Rita in Guåhan..
Ken12 reviewsiTotal 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. · 2 months ago★★★★★
I called to see if they had time for a smog and they helped me right away and gave me a phone call special. Great price and service. The two ladies who assisted me were very nice and professional. I would highly recommend this Smog shop to anyone needing a smog in Vallejo or nearby cities. 😎👊
Kiani1 reviewiTotal 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. · 2 months ago★★★★★
These ladies are THEE BEST of the BEST! No car they can't handle. They were very knowledgeable & their customer service was 10/10. I always know I'm in the best hands when I get my services done here.
Thank you, ALL STAR SMOG team!!!!
Angella1 reviewiTotal 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. · 2 months ago★★★★★
Super friendly, professional, fast and love their prices! I’m really glad they’re back and I will be for sure telling my friends/coworkers to come back and support! Thank you ladies!
Geila2 reviewsiTotal 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 2 months ago★★★★★
Came down to the shop to get my car smogged, and everyone there was really sweet. Customer Service was great along with understandable prices. Took only 10 mins, was in and out just like that! Will definitely recommend to all my friends and family!
Hi Cesar,
Thank you for the great review! We're so glad we could get you taken care of quickly and at a price that felt fair. Our team works hard to keep things efficient without cutting corners, so it's great to hear that showed in your visit. We hope to see you again next time you need a smog check! 🚗
mark farnsworthLocal Guide · 57 reviewsiTotal number of Google reviews mark has written across all businesses on Google Maps, not just this one.
Thank you, Mark! We truly appreciate your 5-star review and support! Our ladies take pride in making every visit a great experience. It means a lot to our team!
We hope to see you again,
The All Star Smog Team
J LLocal Guide · 28 reviewsiTotal number of Google reviews J has written across all businesses on Google Maps, not just this one.
Quick and easy smog test. No appointment required. I was in and out in under 15 minutes. Friendly staff and immaculately maintained shop. Check their website for $30 coupon. Cars 2000 and newer pay under $50 for smog test. Star certified for registration that requires a Star facility,
Response from the owner · 3 weeks ago
Hi there,
Thank you for the great review! We're so glad the no-appointment process worked well for you and that you were out the door in under 15 minutes. Our team puts real effort into keeping the shop clean and making every visit easy, so it's nice to know that stood out to you. We hope to see you again next time you need a smog check! 🚗💨
Rolando PulidoLocal Guide · 45 reviewsiTotal number of Google reviews Rolando has written across all businesses on Google Maps, not just this one.
Thank you, Rolando! We really appreciate the support and are so glad you had an amazing experience with us. Thanks for choosing All Star Smog Vallejo — we’ll keep the fast and friendly service ready for you anytime!
Michael Duenas3 reviewsiTotal number of Google reviews Michael has written across all businesses on Google Maps, not just this one.
First time here and not the last..I'll be referring family and friends there for their smog needs..they got me in and out in about 10 minutes as told..friendly staff..and to top it off..one of them is from my dad's village Santa Rita in Guåhan..
Response from the owner · a month ago
Hi Michael,
Thank you so much! We’re glad your first visit was such a good one and that we could get you in and out just as promised. We really appreciate you recommending us to your family and friends, and that Santa Rita connection made your visit even more special!
Wishing you all the best,
The All Star Smog Team
Ken Cisne12 reviewsiTotal number of Google reviews Ken has written across all businesses on Google Maps, not just this one.
I called to see if they had time for a smog and they helped me right away and gave me a phone call special. Great price and service. The two ladies who assisted me were very nice and professional. I would highly recommend this Smog shop to anyone needing a smog in Vallejo or nearby cities. 😎👊
Response from the owner · 2 months ago
Hi Ken,
Thank you so much for the great review! We’re glad we could get you taken care of right away and that you had a great experience with our team. We really appreciate the recommendation!
Kiani Garcia1 reviewiTotal number of Google reviews Kiani has written across all businesses on Google Maps, not just this one.
These ladies are THEE BEST of the BEST! No car they can't handle. They were very knowledgeable & their customer service was 10/10. I always know I'm in the best hands when I get my services done here.
Thank you, ALL STAR SMOG team!!!!
Response from the owner · 2 months ago
Hi Kiani,
Thank you so much! It means a lot to know you trust our team and continue choosing All Star Smog. We truly appreciate your support and your kind words about our service! Looking forward to serving you again.
Mark BrownLocal Guide · 97 reviewsiTotal number of Google reviews Mark has written across all businesses on Google Maps, not just this one.
Super friendly, professional, fast and love their prices! I’m really glad they’re back and I will be for sure telling my friends/coworkers to come back and support! Thank you ladies!
Response from the owner · 2 months ago
Thank you so much, Angella!
We’re so happy to be back and truly appreciate your kind words and recommendations. Your support means so much to us ladies!
Geila Anne2 reviewsiTotal number of Google reviews Geila has written across all businesses on Google Maps, not just this one.
Came down to the shop to get my car smogged, and everyone there was really sweet. Customer Service was great along with understandable prices. Took only 10 mins, was in and out just like that! Will definitely recommend to all my friends and family!
Response from the owner · 3 years ago
Thank You Geila!
We appreciate your business and your review for our location. We hope you have a wonderful rest of the week. We’d love to see you again for your next smog check!
Our Best Regards,
All Star Smog
