The Best Roof Inspectors

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Pick the job — we re-rank companies by how customers rated that exact job.

1Charleston Roofs and Windows★ 4.96 on this job160 jobs reviewedusually $15,000–20,000iHow Job match is calculatedBuilt only from reviews Google tagged “Roof installation”:Stars on this job 55%4.96★Number of such jobs 25%160Overall Experts Score 20%86Job match= 94Stars are pulled toward the category average (4.94★) 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.94

2TOP 1 Expert Home Improvement★ 4.94 on this job82 jobs reviewedusually $10,000–15,000iHow Job match is calculatedBuilt only from reviews Google tagged “Roof installation”:Stars on this job 55%4.94★Number of such jobs 25%82Overall Experts Score 20%98Job match= 92Stars are pulled toward the category average (4.94★) 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.92

3Sunny Day Roofing - Charleston★ 5.00 on this job37 jobs reviewedusually $1–5,000iHow Job match is calculatedBuilt only from reviews Google tagged “Roof installation”:Stars on this job 55%5.00★Number of such jobs 25%37Overall Experts Score 20%97Job match= 91Stars are pulled toward the category average (4.94★) 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

4843 Roof LLC★ 5.00 on this job29 jobs reviewedusually $10,000–12,000iHow Job match is calculatedBuilt only from reviews Google tagged “Roof installation”:Stars on this job 55%5.00★Number of such jobs 25%29Overall Experts Score 20%97Job match= 90Stars are pulled toward the category average (4.94★) 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

5Mighty Dog Roofing of Charleston★ 5.00 on this job20 jobs reviewedusually $10,000–12,000iHow Job match is calculatedBuilt only from reviews Google tagged “Roof installation”:Stars on this job 55%5.00★Number of such jobs 25%20Overall Experts Score 20%97Job match= 88Stars are pulled toward the category average (4.94★) 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

6Island Roofing Inc.★ 4.96 on this job26 jobs reviewedusually $15,000–20,000iHow Job match is calculatedBuilt only from reviews Google tagged “Roof installation”:Stars on this job 55%4.96★Number of such jobs 25%26Overall Experts Score 20%98Job match= 87Stars are pulled toward the category average (4.94★) 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

7Salty Dog Roofing & Siding★ 5.00 on this job11 jobs reviewedusually $20,000+iHow Job match is calculatedBuilt only from reviews Google tagged “Roof installation”:Stars on this job 55%5.00★Number of such jobs 25%11Overall Experts Score 20%93Job match= 84Stars are pulled toward the category average (4.94★) 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.84

86D Construction & Roof Repair★ 4.92 on this job13 jobs reviewedusually $20,000+iHow Job match is calculatedBuilt only from reviews Google tagged “Roof installation”:Stars on this job 55%4.92★Number of such jobs 25%13Overall Experts Score 20%95Job match= 81Stars are pulled toward the category average (4.94★) 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.81

Job match = this company’s ★ on reviews Google tagged “Roof 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 roof installation

Pantelis1 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 days ago★★★★★

TOP 1 Expert Home Improvement

I had a great experience with Top 1 Experts! Their team was quick, professional, and delivered quality roofing work. The entire process was smooth, and I’m very happy with the results. Highly recommend them to anyone looking for a reliable roofing company!

Paid $10,000–15,000Reasonable priceRoof installation

Angelo3 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. · 4 days ago★★★★★

Island Roofing Inc.

Excellent workmanship and service. They removed and installed entire roof in a single day. Very professional.

Paid $20,000–25,000Reasonable priceRoof installation

Dolly7 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 weeks ago★★★★★

Charleston Roofs and Windows

Excellent service. On time, finished the roof in one day, and Grady was great and kept me informed. I highly recommend Charleston Roofs and Windows

Paid $15,000–20,000Reasonable priceRoof installation

Rachael4 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 weeks ago★★★★★

Sunny Day Roofing - Charleston

We had a great experience with Sunny Day Roofing! Craig and Dara took care of our account and did an excellent job throughout the process. They were professional, helpful, and made everything go smoothly. We really appreciate their hard work and the care they put into making sure everything was taken care of. We… Read full review

Paid $1–5,000Great priceRoof repair for storm & wind damageRoof inspectionRoof repair

RLLocal Guide · 21 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★★★★★

843 Roof LLC

Great organization, Jason Dores well versed and kind hearted person with the customer as priority one. Jason handled everything from the inspection to the installation easy to work with, very detail oriented, and attentive to the need of the customer.... I would give a sixth star but they only allow five.... Thanks again Jason.....

Paid $10,000–15,000Reasonable priceRoof repair for storm & wind damageRoof inspectionRoof installation

YenLocal Guide · 30 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. · 6 days ago★★★★★

TOP 1 Expert Home Improvement

Needed my roof over living room extension redone, everything new and they did it in one day. Owner and workers very respectful Cleaned up everything as if they were never there. And price was excellent. EXTREMELY HAPPY Will definitely recommend to everyone

Paid $1–5,000Great priceRoof installation

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 roof inspectors).

#	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	New York House InspectorsNew York, NY	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%100+26.1Value 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	—
2	Cordina Inspections & ConsultingNew York, NY	A 99iHow 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%99+58.1Reliability 26%99+25.8Value 15%100+15.2Experts Score= 99Not 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–	4.99	—
3	TOP 1 Expert Home ImprovementNew York, NY	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 55%98+53.5Reliability 24%97+23.5Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty96−0.4Experts Score= 98Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	AAAAAA	4.98	$2.0k
4	WIN Home InspectionNew York, NY	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%99+25.8Value 15%100+15.2Craft & service penalty96−0.4Experts 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	—
5	Island Roofing Inc.New York, NY	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 55%97+52.9Reliability 24%100+24.2Value 14%100+14.1Replies to reviews 7%99+7Experts Score= 98Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	AAAAAA	4.97	$4.9k
6	843 Roof LLCNorth Charleston, SC	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%97+52.9Reliability 24%95+23Value 14%100+14.1Replies to reviews 7%95+6.7Experts Score= 97Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	AAAAAA	4.97	$8.1k
7	PGR Home InspectionsNorth Charleston, SC	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%98+53.5Reliability 24%98+23.8Value 14%100+14.1Replies to reviews 7%95+6.7Craft & service penalty91−0.9Experts Score= 97Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	AAAAAA	4.97	—
8	Sunny Day Roofing - CharlestonNorth Charleston, SC	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.	AA–AA–	4.97	$6.9k
9	Mighty Dog Roofing of CharlestonNorth Charleston, SC	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%96+56.3Reliability 26%97+25.3Value 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	$10.0k
10	111 Home Inspections NYCNew York, NY	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%93+24.3Value 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	—
11	People's Choice Home InspectionsNorth Charleston, SC	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 55%97+52.9Reliability 24%97+23.5Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty88−1.2Experts Score= 96Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	AAAAAA	4.96	—
12	Gotham City Home Inspections Inc.New York, NY	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 55%96+52.4Reliability 24%96+23.3Value 14%100+14.1Replies to reviews 7%82+5.8Craft & service penalty91−0.9Experts Score= 95Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	AAAAAA	4.95	—

What jobs cost

What customers paid, from the price Google asks reviewers to report.

Roof Inspectors at a glance

How the 20 roof inspectors we rated 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.