Analyzing 7,328,4747.3M ReviewsFor 20,75220.8K Experts

Experts Reviews · Company report
Northern Colorado Radon 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 59%100+58.7Reliability 26%99+25.8Value 15%100+15.2Craft & service penalty99−0.1Experts Score= 100Not enough data for 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.100SCORE

Northern Colorado Radon

Westminster, CO · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #1Position by Experts Score among all companies we track in this category. of 56 radon testing services · 5.0★ from 76 Google reviews

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Percentile vs other radon testing services (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: satisfaction and value; weakest: craft & service.

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.Northern Colorado Radon is better than 100% of radon testing services.A
100
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.Northern Colorado Radon is better than 99% of radon testing services.A
99
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.Northern Colorado Radon is better than 99% of radon testing services.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.Northern Colorado Radon is better than 100% of radon testing services.A
100
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.Northern Colorado Radon is better than 100% of radon testing services.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.Northern Colorado Radon is better than —% of radon testing services.–
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Reviews for your job

Customers hired Northern Colorado Radon for 1 kinds of job.

Northern Colorado Radon for home building

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Jobs reviewedHow many Google reviews are tagged with this job.3
★ on this jobAverage stars on the reviews where the customer tagged this exact job (Google’s “Services” field).5.00
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: 97/100.How Job match is calculatedBuilt only from reviews Google tagged “Home building”: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.#1 / 1
Said fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.100%

All 3 Google reviews tagged “Home building”

Brandon1 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 year ago★★★★★

I would highly recommend Northern Colorado Radon. Very experienced and professional. Service/system was complete quickly and looks great.

Great priceHome building
iTotz3 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 year ago★★★★★

Aarmond was prompt, efficient and communicated effectively throughout the process. He was able to problem solve the installation to improve the end product. I am very satisfied with the professional workmanship and recommend others to hire him for your Radon Mitigation. Support our local craftsmen!

Reasonable priceHome building
MikeLocal Guide · 41 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 year ago★★★★★

⭐️⭐️⭐️⭐️⭐️ I've worked with many trade professionals over the years, and N. Colo Radon is top tier. Their radon consultation and resolution services are truly A+. It's rare to encounter a team that combines deep technical competence with sharp business acumen and genuine friendliness. From start to finish, they were…

Customer photo from Mike's review
Home building

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 53%Reasonable 47%Overpriced 0%Not sure 0%

Jobs customers hired them for

JobReviewsCategory typical
Home building3—

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