The Best Roofing Contractors in Westminster, CO

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1J&K Roofing★ 4.90 on this job10 jobs reviewedusually $15,000–20,000iHow Job match is calculatedBuilt only from reviews Google tagged “Attic venting installation”:Stars on this job 55%4.90★Number of such jobs 25%10Overall Experts Score 20%88Job match= 91Stars 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.91

2McIntire Roofing★ 5.00 on this job5 jobs reviewedusually $20,000–25,000iHow Job match is calculatedBuilt only from reviews Google tagged “Attic venting installation”:Stars on this job 55%5.00★Number of such jobs 25%5Overall Experts Score 20%98Job match= 90Stars 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.90

3Rise Roofing★ 5.00 on this job4 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Attic venting installation”:Stars on this job 55%5.00★Number of such jobs 25%4Overall Experts Score 20%98Job match= 88Stars 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.88

4Best Roof Roofing★ 5.00 on this job4 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Attic venting installation”:Stars on this job 55%5.00★Number of such jobs 25%4Overall Experts Score 20%93Job match= 87Stars 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.87

Job match = this company’s ★ on reviews Google tagged “Attic venting installation” (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 attic venting installation

SS1 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. · 3 weeks ago★★★★★

McIntire Roofing

James Megan is the best! He went above and beyond for all the services. His caring attitude shows the America still has quality and reliable people doing the right thing!

Paid $20,000–25,000Great priceGutter installationRoof inspectionRoof installation

MMichelle10 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★★★★★

J&K Roofing

I recently had my roof replaced by J&K Roofing. Esteban and his team were absolutely fantastic! They handled every aspect of the process from beginning to end, and took care of nearly all communication with the insurance company. They were extremely thorough, and Esteban went above and beyond to make sure the… Read full review

Gutter installationRoof inspectionSkylight installation

DDenise12 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 years ago★★★★★

Rise Roofing

Everyone on the team worked hard and did a great job getting us our new roof. It looks great and we’re looking forward to it lasting many years to come! We highly recommend Abram and Rise Roofing for all your roofing needs!

Attic ventingAttic venting installationAttic venting repairs+ Responsiveness+ Punctuality+ Quality

MMichael9 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 years ago★★★★★

Best Roof Roofing

Dennis was great and provided a timely and very competitive quote. It was a snowy month, and right when the weather window opened materials were delivered. The crew was quick, clean and professional and had the roof knocked out in no time (even with an extra layer of shingles to remove). Definitely recommend Best Roof Roofing.

Attic ventingAttic venting installationRoof installation+ Responsiveness+ Punctuality+ Quality

MMargoLocal Guide · 18 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★★★★★

McIntire Roofing

Getting a new roof with McIntire Roofing could NOT have been easier. Incredibly professional, respectful and quick in checking off all the items needing to be completed. 10/10

Paid $30,000–35,000Great priceGutter repairsRoof repair for storm & wind damageRoof inspection

MMike1 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. · a month ago★★★★★

J&K Roofing

During the inspection phase of selling our home we found out we needed to replace our roof. We were under a very tight timeline and Ryan Kane from J&K Roofing was on the job within two days. He was very knowledgable, courteous, and responsive throughout the entire process. The new roof was well planned and built… Read full review

Paid $15,000–20,000Reasonable priceAttic venting repairsRoof inspectionAttic venting

Overall ratings

Experts Score 0–100iExperts 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	ScoreiExperts 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.	FactorsiFactor 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.	★iGoogle star rating as shown on Google Maps.	Typical billiMedian bill customers of this company reported in their reviews (needs 3+ priced reviews).
1	Arrow Roofing and ExteriorsWestminster, CO	A 100iHow 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 98iHow 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 98iHow 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 97iHow 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 97iHow 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 96iHow 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 95iHow 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 94iHow 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 93iHow 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 88iHow 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.

Roofing Contractors in Westminster, CO at a glance

How the 10 roofing contractors we rated in Westminster, CO compare, and what customers praise most.

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.