The Best Roofing Contractors in Westminster, CO
We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 30,781 Google reviews of 90 top-rated roofing contractors nationwide; 10 of them in Westminster, CO. Updated November 5, 2026.
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Best roofing contractors in Westminster for remodeling
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Summit West ContractingHow Job match is calculatedBuilt only from reviews Google tagged “Remodeling”:Stars on this job 55%5.00★Number of such jobs 25%8Overall Experts Score 20%97Job match= 97Stars are pulled toward the category average (4.93★) 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.97Job match = this company’s ★ on reviews Google tagged “Remodeling” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.
What customers said about remodeling
Summit West ContractingI have to hand it to Summit West Contracting. They are the best Contracting company in Colorado!Not only were they the best price in town, but the quality of work I received and the communication of updates and timelines are the reason for the 5 stars. They finished my dark dungeon of an unfinished basement to an…
Summit West ContractingSummit West Contracting exceeded my expectations. They delivered amazing work on time and under budget, and I can confidently call them my go-to team for all exterior needs. Jon Jon Vigil is a man of his word—he walked me through every step and delivered exactly what he promised. Thanks to Summit West Contracting…
Summit West ContractingManny with Summit Contracting really took good care of my house. My house was hit in a hail storm, and Manny was able to get my house fixed in no time. I appreciate the new window , painted garage and new gutters put on my house. I highly recommend Summit Contracting to anyone that needs some house work done. Thanks Manny for all the hard work.
Summit West ContractingI want to start off by saying I love my new James hardie siding and windows. Noah, the salesman was amazing. Explained job from start to finish of how it would go and it went exactly like how he explained! I love a honest contractor and he was that! The crew was outstanding truly skillfull crew. They navigated…
Summit West ContractingJon Jon Vigil and his team do amazing work. They are TOP notch professionals. Amazing to work with from start to finish.
Summit West ContractingVery pleased and happy that I found Summit West! I originally had a contract signed with another company before I even met with Summit West, but my husband insisted we still listen to them and that was the best decision we absolutely could have made. Same day, we pulled out of our original contract and went ahead…
Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of roofing contractors).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-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.Reliability (24%): How 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.Craft & service (0%): Google 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.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises 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.Replies to reviews (7%): How 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.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
|---|---|---|---|---|---|
| 1 |  Arrow Roofing and ExteriorsWestminster, CO | A 100How 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+15.2Experts 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. | AAAAA– | 5.00 | $10k |
| 2 |  McIntire RoofingWestminster, CO | A 98How 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%98+57.5Reliability 26%98+25.6Value 15%100+15.2Experts Score= 98Not 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. | AAAAA– | 4.98 | $16k |
| 3 |  Rise RoofingWestminster, CO | A 98How 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%98+57.5Reliability 26%97+25.3Value 15%100+15.2Experts Score= 98Not 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. | AAAAA– | 4.97 | $2.8k |
| 4 |  AC INC. RoofingWestminster, CO | A 97How 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%96+52.4Reliability 24%98+23.8Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 97Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.97 | $18k |
| 5 | Summit West ContractingWestminster, CO | A 97How 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%97+56.9Reliability 26%95+24.8Value 15%100+15.2Experts Score= 97Not 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. | AAAAA– | 4.97 | $28k |
| 6 |  Ideal Roof & Exterior ProsWestminster, CO | A 96How 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%97+56.9Reliability 26%91+23.7Value 15%100+15.2Experts Score= 96Not 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. | AAAAA– | 4.98 | $15k |
| 7 |  CCG Roofing and Project ManagementWestminster, CO | A 95How 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%97+56.9Reliability 26%96+25Value 15%100+15.2Craft & service penalty79−2.1Experts Score= 95Not 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. | AABAA– | 4.97 | — |
| 8 |  Sky Manor Roofing & ExteriorsWestminster, CO | A 94How 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%95+51.8Reliability 24%95+23Value 14%100+14.1Replies to reviews 7%67+4.7Experts Score= 94Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAB | 4.96 | $20k |
| 9 |  Best Roof RoofingWestminster, CO | A 93How 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%94+51.3Reliability 24%89+21.6Value 14%100+14.1Replies to reviews 7%89+6.3Experts Score= 93Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.96 | $6.2k |
| 10 |  J&K RoofingWestminster, CO | A 88How 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%86+46.9Reliability 24%84+20.4Value 14%100+14.1Replies to reviews 7%96+6.8Craft & service penalty95−0.5Experts Score= 88Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.85 | $12k |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
|---|---|---|---|---|
| Roof installation | $11k | $16k | $23k | 99% |
| Roof inspection | $438 | $1.7k | $11k | 99% |
| Roof repair for storm & wind damage | $1.7k | $7.9k | $18k | 100% |
| Roof repair | $638 | $2.1k | $8.2k | 99% |
| Roof damage repair | $438 | $1.1k | $2.9k | 99% |
| Gutter installation | $638 | $2.0k | $3.8k | 99% |
| Gutter repairs | $371 | $1.1k | $2.7k | 99% |
| Attic venting | $638 | $2.0k | $5.2k | 100% |
| Skylight repair | $539 | $2.1k | $4.1k | 100% |
| Attic venting repairs | $438 | $1.3k | $2.9k | 100% |
| Roofing | $1.3k | $3.1k | $15k | 100% |
Roofing Contractors in Westminster, CO at a glance
How the 10 roofing contractors we rated in Westminster, CO compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A10100%
- Grade B00%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up990%
- 4.80–4.89★110%
- 4.60–4.79★00%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality5,44521%
- Professionalism6,03823%
- Responsiveness5,44421%
- Punctuality4,86819%
- Value4,30316%
Was the price fair?
All price verdicts left with reviews.
- Great price2,25051%
- Reasonable1,96245%
- Overpriced281%
- Not sure1654%
Price verdicts by year
Share calling it great / reasonable / overpriced.
How we grade
Satisfaction (54%) — Recency-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.
Reliability (24%) — How 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.
Craft & service (penalty, up to −10) — Google 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.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises 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.
Replies to reviews (7%) — How 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.