Short answer: As of September 2026, the five highest-scoring roofing contractors in the Waterbury-Shelton, CT metro on The Roofing Brief Contractor Score are DiGiorgi Roofing & Siding, Inc. (93.8), Best Way Roofing LLC, trading as Best Way Siding & Roofing (92.6), SJ Winn Construction LLC (86.5), Turner & Sons Roofing & Siding, LLC (86.2), Lecla Home Improvements & Roofing Inc. (85.7). Every one holds a manufacturer certification that can be verified independently, every rating below has been corroborated against at least one source outside the certification registry, and no company paid to appear here.
The Roofing Brief scored 10 certified roofing contractors serving the Waterbury metro on a published, reproducible formula, then researched each of the top five individually to confirm its record. Every contractor in this top five holds GAF’s President’s Club tier, the highest the manufacturer awards, which is rare anywhere and remarkable in a metro of 462,000. Waterbury also sits at the centre of one of Connecticut’s most storm-exposed corners: 337 severe wind reports and 17 tornadoes across the decade, with two-inch hail at Falls Village on 15 May 2018, the day a line of macrobursts and tornadoes crossed the state. One footnote on the data: Connecticut abolished counties in 2022, and because national storm records still file under the old county codes, most published figures for Connecticut metros come back empty. We remapped them, which is why this page has a storm record at all.
Wind, terrain and the Waterbury housing stock
Connecticut requires Home Improvement Contractor registration with the Department of Consumer Protection for any residential work above $200, so effectively every roofing job in this state needs a registered contractor. The registration involves no competency exam, but it does put the contractor on a searchable public register and it is the gateway to the state’s Home Improvement Guaranty Fund, which can compensate a homeowner holding an uncollectable judgment against a registered contractor. Hiring an unregistered one forfeits that entirely.
Ask for the HIC registration number and check it before you sign, not after. Connecticut’s register is free to search and shows whether the registration is current. A contractor working above $200 without one is operating illegally, and no manufacturer certification substitutes for it.
This metro sits where three markets overlap. Waterbury is within twenty-five miles of New Haven, Hartford and Danbury, and several contractors below genuinely serve more than one of them. That is good for choice and it means distance is worth weighting: a roofer twenty-five miles away will get to a warranty callback in year six more slowly than one eight miles away, and every entry below carries its distance for that reason.
The winter load is the constant. Connecticut enforces the ice barrier requirement of the residential code, which means a self-adhering membrane or two cemented layers of underlayment running from the lowest roof edge to at least 24 inches inside the exterior wall line, and further along the slope on pitches of 8:12 or steeper. Naugatuck Valley housing is largely older and frequently steep, so ask which rule applies to your roof and how far the membrane runs up the valleys.
The 5 best roofers in Waterbury, CT
Scored 2026-09-24. The metro mean rating used as the Bayesian prior for Waterbury is 4.85, across a pool of 10 certified contractors.
| Rank | Company | TRB Score | Certification | Rating (reviews) | Adjusted | In business since | Based in |
|---|---|---|---|---|---|---|---|
| 1 | DiGiorgi Roofing & Siding, Inc. | 93.8 | President’s Club | 4.9 (1,107) | 4.898 | 1933 | Beacon Falls, CT |
| 2 | Best Way Roofing LLC, trading as Best Way Siding & Roofing | 92.6 | President’s Club | 4.9 (258) | 4.892 | 2012 | Waterbury, CT |
| 3 | SJ Winn Construction LLC | 86.5 | President’s Club | 4.9 (162) | 4.888 | not published | Torrington, CT |
| 4 | Turner & Sons Roofing & Siding, LLC | 86.2 | President’s Club | 4.9 (142) | 4.887 | not published | Middletown, CT |
| 5 | Lecla Home Improvements & Roofing Inc. | 85.7 | President’s Club | 4.9 (212) | 4.89 | 2003 | Danbury, CT |
1. DiGiorgi Roofing & Siding, Inc. — TRB Score 93.8
DiGiorgi Roofing & Siding, Inc. is based in Beacon Falls, CT, in business since 1933, BBB accredited since 4 August 1989, A+ rating, and holds President’s Club standing on the GAF certification registry.
| Score component | Points | Max |
|---|---|---|
| Certification tier | 35 | 35 |
| Adjusted rating | 35.9 | 40 |
| Review corpus depth | 15.0 | 15 |
| Metro proximity | 7.9 | 10 |
| Total | 93.8 | 100 |
Independently corroborated:
- A+ rated and accredited since 4 August 1989, a 37-year record, 93 years in business from a 1933 start. BBB
- 4.8 across 1,234 reviews. Birdeye
- Listed with GuildQuality, which surveys customers directly. GuildQuality
What they actually do. Roofing, siding, windows, doors, gutters and skylights, with emergency response.
Why it ranks here. 1,107 registry reviews at 4.9 alongside 93 years trading and 37 years of unbroken A+ accreditation. Beacon Falls is eight miles from Waterbury, so unlike several contractors here this is a genuinely local firm rather than a neighbouring-metro one.
Best fit for: Naugatuck Valley homeowners generally, and storm emergencies.
Verify the certification yourself on the GAF registry listing. The number carried on that listing is (203) 723-6880, which is the registry’s contact line and is often a directory tracking number rather than the contractor’s own: take the number from the company’s own website and compare the two.
2. Best Way Roofing LLC, trading as Best Way Siding & Roofing — TRB Score 92.6
Trades as Best Way Roofing LLC, trading as Best Way Siding & Roofing; listed on the GAF registry as Best Way Roofing LLC.
Best Way Roofing LLC, trading as Best Way Siding & Roofing is based in Waterbury, CT, in business since 2012, BBB accredited since 22 May 2017, A+ rating, and holds President’s Club standing on the GAF certification registry.
| Score component | Points | Max |
|---|---|---|
| Certification tier | 35 | 35 |
| Adjusted rating | 35.7 | 40 |
| Review corpus depth | 11.9 | 15 |
| Metro proximity | 10.0 | 10 |
| Total | 92.6 | 100 |
Independently corroborated:
- A+ rated and accredited since 22 May 2017, fourteen years in business. BBB
- Listed with GuildQuality, which surveys customers directly rather than collecting volunteered reviews. GuildQuality
What they actually do. Roofing and siding across Waterbury, Wolcott and the central valley.
Why it ranks here. 258 registry reviews at 4.9 with President’s Club certification and GuildQuality participation, and the only ranked contractor based in Waterbury itself.
Best fit for: Waterbury city and Wolcott homeowners.
Verify the certification yourself on the GAF registry listing. The number carried on that listing is (203) 527-8149, which is the registry’s contact line and is often a directory tracking number rather than the contractor’s own: take the number from the company’s own website and compare the two.
3. SJ Winn Construction LLC — TRB Score 86.5
SJ Winn Construction LLC is based in Torrington, CT, Not BBB accredited, and holds President’s Club standing on the GAF certification registry.
| Score component | Points | Max |
|---|---|---|
| Certification tier | 35 | 35 |
| Adjusted rating | 35.5 | 40 |
| Review corpus depth | 10.9 | 15 |
| Metro proximity | 5.1 | 10 |
| Total | 86.5 | 100 |
Independently corroborated:
- BBB profile on record; the company is not accredited. BBB
- More than fifteen years in residential and commercial roofing across northwest Connecticut. Company
What they actually do. Residential and commercial roofing across Litchfield County and northwest Connecticut.
Why it ranks here. 162 registry reviews at 4.9 with President’s Club certification, covering the Torrington and Litchfield Hills end of the region where the 2018 hail actually fell.
Best fit for: Torrington, Winsted and northwest Connecticut homeowners.
What we would want clarified. Not BBB accredited, so there is no complaint record to read, and 20 miles from the metro centre. Ask for the Connecticut DCP registration number and check it on the state register. We publish this because a ranking that only prints the flattering findings is an advertisement, not an assessment.
Verify the certification yourself on the GAF registry listing. The number carried on that listing is (860) 379-8863, which is the registry’s contact line and is often a directory tracking number rather than the contractor’s own: take the number from the company’s own website and compare the two.
4. Turner & Sons Roofing & Siding, LLC — TRB Score 86.2
Turner & Sons Roofing & Siding, LLC is based in Middletown, CT, BBB accredited since 28 February 2009, A+ rating, and holds President’s Club standing on the GAF certification registry.
| Score component | Points | Max |
|---|---|---|
| Certification tier | 35 | 35 |
| Adjusted rating | 35.5 | 40 |
| Review corpus depth | 10.6 | 15 |
| Metro proximity | 5.1 | 10 |
| Total | 86.2 | 100 |
Independently corroborated:
- A+ rated and accredited since 28 February 2009, a 17-year unbroken record. BBB
- Member of the Middlesex County Chamber of Commerce. Chamber
- Veteran owned and family run. Company
What they actually do. Roofing and siding across Middlesex County and central Connecticut.
Why it ranks here. 142 registry reviews at 4.9 with President’s Club certification, veteran ownership and seventeen years of unbroken A+ accreditation, the longest continuous record in this top five after DiGiorgi.
Best fit for: Middletown, Durham and eastern-edge homeowners.
What we would want clarified. Twenty miles from the metro centre. We publish this because a ranking that only prints the flattering findings is an advertisement, not an assessment.
Verify the certification yourself on the GAF registry listing. The number carried on that listing is (860) 346-7405, which is the registry’s contact line and is often a directory tracking number rather than the contractor’s own: take the number from the company’s own website and compare the two.
5. Lecla Home Improvements & Roofing Inc. — TRB Score 85.7
Lecla Home Improvements & Roofing Inc. is based in Danbury, CT, in business since 2003, BBB accredited since 2 April 2012, and holds President’s Club standing on the GAF certification registry.
| Score component | Points | Max |
|---|---|---|
| Certification tier | 35 | 35 |
| Adjusted rating | 35.6 | 40 |
| Review corpus depth | 11.5 | 15 |
| Metro proximity | 3.7 | 10 |
| Total | 85.7 | 100 |
Independently corroborated:
- BBB accredited since 2 April 2012. BBB
- Serving Connecticut and New York since 2003, with custom metal panel fabrication alongside roofing, gutters and siding. Company
What they actually do. Roofing, gutters, siding, decks, windows and doors, plus custom metal panel fabrication.
Why it ranks here. 212 registry reviews at 4.9 with President’s Club certification and in-house custom metal panel fabrication, which is uncommon and useful on the older Connecticut housing stock where stock flashing profiles rarely fit original detailing.
Best fit for: Danbury and western Litchfield County homeowners, and roofs needing custom metalwork.
What we would want clarified. Twenty-five miles from the metro centre, the furthest in this top five. It also ranks on the Bridgeport page. We publish this because a ranking that only prints the flattering findings is an advertisement, not an assessment.
Verify the certification yourself on the GAF registry listing. The number carried on that listing is (203) 730-9512, which is the registry’s contact line and is often a directory tracking number rather than the contractor’s own: take the number from the company’s own website and compare the two.
The 337 wind reports that shape a Waterbury roof
Aggregate hail counts tell you very little about a specific roof. These are the individual events: every severe-weather report logged by the National Weather Service across the 1 county of the Waterbury-Shelton, CT statistical area over ten years, with the dates, the stone sizes and the towns they landed on. Over that decade the metro logged 25 hail reports, 337 severe thunderstorm and high wind reports and 17 tornadoes. Reported property damage from hail, severe wind and tornado over that decade totalled $1.9 million; flood and winter-storm losses are counted separately and are not included.
The biggest hail to fall on Waterbury in a decade
| Date | Stone size | Reported near | County |
|---|---|---|---|
| 15 May 2018 | 2.0 in | Falls Vlg | Litchfield |
| 15 May 2018 | 1.75 in | Barkhamsted | Litchfield |
| 22 June 2024 | 1.5 in | Prospect | New Haven |
| 26 August 2024 | 1.5 in | Meriden | New Haven |
| 26 August 2024 | 1.25 in | Rockland | New Haven |
| 26 August 2024 | 1.25 in | Northford | New Haven |
The largest stone on record for this metro fell on 15 May 2018 near Falls Vlg, measured at 2.0 inches. That is hen-egg sized. Two inches is the threshold at which insurers expect functional damage and full replacement claims.
Wind. The strongest thunderstorm gust logged in the metro was 78 knots, about 90 mph, near Campville on 15 November 2020. Asphalt shingles begin lifting at roughly 67 mph when they are correctly nailed, and considerably below that when they are not.
Tornadoes. 17 tornadoes touched down in these counties over the decade, the strongest rated EF1 near Winsted on 15 May 2018.
What the National Weather Service wrote about it
The NWS logs a written account of each severe-weather episode. This is its description of the 15 November 2020 event near Campville, reproduced verbatim:
Numerous trees were downed in a nearly 2 mile path extending from the intersection of Route 254 and Blakeslee Road to Campville Road in Litchfield. Some were snapped several feet above the ground and some were uprooted. All of the trees were lying in an east-northeasterly direction. The damage was likely due to a microburst.
A roof in this metro is built against events like that one, as recorded by the agency that recorded it rather than by a contractor selling the repair.
When it happens. Severe weather reports cluster in July (90), August (79), June (77). The worst years on record were 2020 (56), 2021 (55), 2025 (52). If you are scheduling non-urgent work in Waterbury, the months outside that window are when crews are least stretched and least likely to be triaging emergency callouts ahead of your job.
Source: NOAA National Centers for Environmental Information, Storm Events Database, county-level detail files 2016 to 2025, filtered to the counties of this statistical area by The Roofing Brief. Damage figures are as reported to the NWS and undercount insured losses.
What to do with this. Hail is not the governing risk in Waterbury. Weight your decision toward wind rating, ventilation and flashing detail rather than paying extra for impact-rated shingles.
How to tell a Waterbury roofer’s claims from their record
Licensing is required in CT. Connecticut requires registration as a Home Improvement Contractor with the Department of Consumer Protection for any permanent change to residential property where the contract price exceeds $200. Roofing falls squarely within that definition.
Registration requires a minimum of $20,000 general liability insurance, with the insurer and policy number declared on the application. Contractors performing roofing on commercial buildings must instead register with the DCP as a major contractor, which is a materially different and higher credential.
Check here: Connecticut DCP eLicense lookup. The $200 threshold means essentially every roofing job in Connecticut requires a registered contractor. There is no meaningful unregistered exemption for residential work.
Four checks to run before you sign anything, in any state.
- Verify certification at the source. Use the GAF verification tool rather than trusting a badge image on a company website.
- Get the certificate of insurance from the insurer, not the contractor, and confirm general liability and workers compensation are both active on the day work starts.
- Confirm who pulls the permit. If a contractor asks you to pull it as the homeowner, that moves liability onto you. Decline.
- Get warranty terms in writing before any deposit, and check the manufacturer warranty being promised actually requires the certification tier the contractor holds.
The Waterbury market behind this ranking
10 certified roofing contractors serve the principal cities of the Waterbury-Shelton, CT statistical area, of which 7 hold the top President’s Club tier. The pool carries 2,887 customer reviews between them at a mean rating of 4.85. The statistical area had a 2024 population of 462,220, a change of 2.68% against the 2020 census base, per the U.S. Census Bureau Vintage 2024 estimates.
How these Waterbury rankings were produced
Every contractor in the Waterbury-Shelton, CT pool was scored out of 100 on four published components: certification tier, a Bayesian adjusted rating, review depth and distance from the metro centre. In this metro that meant scoring 10 certified contractors, of whom 7 hold President’s Club standing and 3 Master Elite, against a metro mean rating of 4.85. The top five were then researched individually against Better Business Bureau records, state licence registers and manufacturer directories. Where that research turned up something awkward it is on the page, and no placement was paid for.
The full method, the weightings, what the GAF certification tiers actually mean, who is eligible to be ranked and what we do not claim are all set out on our roofer ranking methodology page. Last updated: September 2026. Scoring run: 2026-09-24. Corrections go to the editor and are actioned on verification.
The questions that come up most in Waterbury
Who is the best roofer in Waterbury, CT?
DiGiorgi Roofing & Siding, Inc. of Beacon Falls, CT scores highest in the Waterbury metro on The Roofing Brief Contractor Score, at 93.8 out of 100 as of September 2026. It holds President’s Club certification with a 4.9 rating across 1,107 reviews. Highest-scoring is not the same as best fit for your specific job, and the four companies behind it score within 8.1 points.
How many certified roofing contractors serve Waterbury?
10 contractors on the GAF certification registry serve the principal cities of the Waterbury-Shelton, CT statistical area as of September 2026, of which 7 hold President’s Club status.
How much damaging hail does Waterbury get?
The Waterbury-Shelton, CT statistical area recorded 19 hail reports of 1 inch or larger and 1 of 2 inches or larger between 2016 and 2025 in the NOAA Storm Events Database. The largest hailstone reported measured 2.0 inches.
Did any contractor pay to appear on this list?
No. The Roofing Brief takes no placement fees, no lead fees and no affiliate commission from any roofing contractor. Ranking comes entirely from the published formula applied to public registry data, followed by an individual research pass on the top five.
What was the worst hailstorm in Waterbury in the last ten years?
The largest hailstone logged by the National Weather Service in the Waterbury-Shelton, CT statistical area between 2016 and 2025 measured 2.0 inches, reported near Falls Vlg on 15 May 2018. That is hen-egg sized. Two inches is the threshold at which insurers expect functional damage and full replacement claims. Across the decade the metro recorded 25 hail reports. Reported property damage from hail, severe wind and tornado over that decade totalled $1.9 million; flood and winter-storm losses are counted separately and are not included.
When is the worst time of year for roof damage in Waterbury?
Severe-weather reports in the Waterbury-Shelton, CT statistical area cluster in July, August, June, on the NOAA record for 2016 to 2025. Outside those months local crews are not triaging storm damage, so lead times are shorter and scheduling is easier.
Do roofers need a licence in CT?
Connecticut requires registration as a Home Improvement Contractor with the Department of Consumer Protection for any permanent change to residential property where the contract price exceeds $200. Roofing falls squarely within that definition. Registration requires a minimum of $20,000 general liability insurance, with the insurer and policy number declared on the application. Contractors performing roofing on commercial buildings must instead register with the DCP as a major contractor, which is a materially different and higher credential.
What should I check before hiring a roofer in Waterbury?
The $200 threshold means essentially every roofing job in Connecticut requires a registered contractor. There is no meaningful unregistered exemption for residential work.
Is Waterbury a hard market to find a good roofer in?
Every contractor in this top five holds GAF’s President’s Club tier, the highest the manufacturer awards, which is rare anywhere and remarkable in a metro of 462,000. Waterbury also sits at the centre of one of Connecticut’s most storm-exposed corners: 337 severe wind reports and 17 tornadoes across the decade, with two-inch hail at Falls Village on 15 May 2018, the day a line of macrobursts and tornadoes crossed the state. One footnote on the data: Connecticut abolished counties in 2022, and because national storm records still file under the old county codes, most published figures for Connecticut metros come back empty. We remapped them, which is why this page has a storm record at all.
Is wind or hail the bigger risk to a roof in Waterbury?
Wind, by a wide margin. The Waterbury-Shelton, CT statistical area logged 337 severe thunderstorm and high wind reports against 19 hail reports of an inch or more between 2016 and 2025. Wind damage shows up at the rake, ridge and edge rather than across the field of the roof, so the fastening schedule and edge detail matter more here than the impact rating of the shingle.
Roofer rankings for other metros
The Roofing Brief scores certified roofing contractors in the 400 largest U.S. metropolitan and micropolitan areas on the same formula.
- Best roofers in New Haven, CT, about 18 miles from Waterbury
- Best roofers in Hartford, CT, about 23 miles from Waterbury
- Best roofers in Bridgeport, CT, about 27 miles from Waterbury
- Best roofers in Springfield, MA, about 46 miles from Waterbury
- Best roofers in Norwich, CT, another CT metro on the same formula
- Best roofers in Fort Wayne, IN, a metro of comparable size
- Best roofers in New York, NY, also scored, about 78 miles away
See the full index of all 400 metro roofer rankings, or read how to find and vet a roofing contractor anywhere in the country.
Cite this analysis
The Roofing Brief. “Best Roofers in Waterbury, CT: The Roofing Brief Contractor Score.” Published September 2026. Inputs: GAF certification registry; NOAA Storm Events Database 2016-2025; U.S. Census Bureau Vintage 2024 population estimates; Better Business Bureau and independent review-platform records for each ranked contractor.