Analyzing 6,714,2966.7M ReviewsFor 18,88218.9K Experts

Hamiltons STAR Smog Check in Downtown Novato. logo

Hamiltons STAR Smog Check in Downtown Novato.

Smog inspection station · Novato, CA · reviewed since 2021

How 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 69%97+67.2Reliability 31%95+29.2Experts Score= 96Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.96SCORE
AGradeLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#6 of 78 tire shopsPosition by Experts Score among all companies we track in this category. · better than 94%
5.0 ★★★★★ 199 Google reviews · 23 photos
99%five-star reviews
4.96★last 12 monthsAverage stars on reviews from the last 12 months only.
0.7%1–2★ in 2 yearsShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
75%reviews answered by the owner
Oct 2026latest review
📞 Call (415) 493-8801Request a call backWebsite ↗

Hamiltons STAR Smog Check in Downtown Novato. at a glance

Customers consistently describe the smog inspection process as quick, efficient, and professionally handled, often noting reasonable pricing and a clean facility. Many reviewers highlight the friendly staff who communicate clearly and accommodate both appointments and walk-ins. The primary criticism involves vehicle handling, with one report detailing handprints on the hood, mirror bumps, and damage to a shift lever during the service.

  • Google rating: 5.0 out of 5 from 199 reviews (99% five-star).
  • Reviews on this page: 199 Google reviews (188 with written comments, 19 with photos).
  • Owner responses: the business replied to 75% of reviews.
  • Most recent review: October 23, 2026.
  • Service: Tire Shop serving Novato, California.

Data from Google, last updated October 25, 2026.

Score profile vs other tire shops

Score per factor (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 satisfaction; weakest: reliability.

Satisfaction97Reliability95Craft & service–Value–Momentum100Replies to reviews–Satisfaction: 97 (median 83)Reliability: 95 (median 81)Momentum: 100 (median 100)
This companyTire Shops median0 = centre, 100 = best
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.Hamiltons STAR Smog Check in Downtown Novato.: 97/100 on this factor. Category median: 83.A
97
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.Hamiltons STAR Smog Check in Downtown Novato.: 95/100 on this factor. Category median: 81.A
95
Craft & serviceCraft & 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: 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.Not enough reviews for this factor yet. Category median: 100.–
–
MomentumMomentum · 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.Hamiltons STAR Smog Check in Downtown Novato.: 100/100 on this factor. Category median: 100.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.Not enough reviews for this factor yet. Category median: 34.–
–

Bar = this company · dark tick = category median.

Star ratings

199 Google reviews we collected

  • 5 stars19799%
  • 4 stars11%
  • 3 stars00%
  • 2 stars11%
  • 1 star00%

Praise vs complaints

Phrases our text analysis found in 188 written reviews

  • Praise329100%
  • Complaints10%

Topic share

How often each topic comes up in the written reviews

  • Speed & response10933%
  • Staff & attitude10030%
  • Quality & results4413%
  • Would recommend4012%
  • Price & value288%
  • Honesty & trust82%
  • Communication10%

What customers talk about

We read 188 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.

  • “Always take my Jeep and Truck here and it’s always a quick and pleasant experience.”
  • “The best place, two really nice guys ahead 👌🏻😌❤️”
  • “Great service, super fast and reasonable price definitely recommend them to anyone in need of a Smog!”
  • “If you need a smog check in the Novato area, I highly recommend Hamilton’s STAR Smog.”
  • “Quick, professional, great customer service and good price too.”
  • “The service was honest and efficient from start to finish.”
  • “The staff is so professional, kind and friendly, and explained everything clearly.”

People customers mention

  • Carlos 17 reviews
  • Victor 3 reviews
  • Marin 3 reviews

praise complaint · found by our text analysis, Google review wording unchanged.

Reviews for your job

Customers hired Hamiltons STAR Smog Check in Downtown Novato. for 1 kind of job. Pick one to see what they paid and said.

Recent reviews

Logan3 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. · a day ago★★★★★

Always take my Jeep and Truck here and it’s always a quick and pleasant experience. Had my Jeep fail for the first time this year and it was a quick and easy fix. He got it retested and passed the next day.

Natalie3 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. · a month ago★★★★★

Efficient and good customer service. Carlos is very helpful. My go to smog place for my ‘99

Luis1 reviewTotal 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★★★★★

Great service, super fast and reasonable price definitely recommend them to anyone in need of a Smog!

EricLocal Guide · 20 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. · 2 months ago★★★★★

All those five star reviewers speak the truth. Excellent smog check service. Friendly technician (Victor). Super clean shop. In and out in 20 minutes. By appointment or drop-in. My first time for a smog test here. I'll definitely return as needed. Thank you, Victor.

Jorge4 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. · 2 months ago★★★★★

Fast highly efficient and always gets what you need done in a fashion that is time efficient ! Great place to come get smogged

Big4 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 months ago★★★★★

Greeted promptly with a smile. Fast, efficient, and a very clean and accessible waiting room.

Jobs customers hired them for

JobReviewsCategory typical
Smog certification8—

Compare with

Photos

Customer reviews

5.0 ★★★★★ 199 reviews on Google · rating breakdown

Reviews from Google, shown as published (original wording, unedited).

Jobs customers hired them for — from Google's service tags and the review text
Team members customers mention
Filter by topic — each topic is highlighted in the reviews in the same color
Logan Richardson3 reviewsTotal number of Google reviews Logan has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Always take my Jeep and Truck here and it’s always a quick and pleasant experience. Had my Jeep fail for the first time this year and it was a quick and easy fix. He got it retested and passed the next day.

Chris Schena5 reviewsTotal number of Google reviews Chris has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Excellent customer service!! Carlos is THE best

Natalie Mechetti3 reviewsTotal number of Google reviews Natalie has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Efficient and good customer service. Carlos is very helpful. My go to smog place for my ‘99

Alex Romo3 reviewsTotal number of Google reviews Alex has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

The best smog experience I've had

Luis Gonzalez1 reviewTotal number of Google reviews Luis has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Great service, super fast and reasonable price definitely recommend them to anyone in need of a Smog!

Enchandra Johnson1 reviewTotal number of Google reviews Enchandra has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Great for smog very fast

Shiva Nazarizadeh3 reviewsTotal number of Google reviews Shiva has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Friendly, professional and efficient.

Response from the owner · 2 months ago

Hi Shiva, it was a pleasure doing a smog check for you. Proffessionalism and effitcency is what we aim for, we are happy that we accomplished that with you. Really appreciate your comment. Thank you.

Landall Bell5 reviewsTotal number of Google reviews Landall has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Great

Response from the owner · 2 months ago

Thank you Landal! We appreciate your effort to give us feedback.

Tara Bass10 reviewsTotal number of Google reviews Tara has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Super easy and friendly staff.

Response from the owner · Edited 2 months ago

Hello Tara! thank you for visiting us today. We always strive to make it easy to everyone to get the smog check done any day any time . Thank you for your feedback.

Knute Niehoff3 reviewsTotal number of Google reviews Knute has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Excellent service! Quick, efficient, affordable

Response from the owner · 2 months ago

Hi knute! We really appreciate your comment, Thank you

Hamiltons STAR Smog Check in Downtown Novato. on Google Maps →

Business details