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Top-Rated Roof sealant application pros in Holtsville - Updated Nov 2026

Avatar for Four Seasons Roofing
Four Seasons Roofing
4.6(
150
)
Sealant for Roof - Apply

Serving Holtsville, NY and surrounding areas

Approved

In business since 1983

Free estimates

Emergency services offered

"Bill Taylor (owner) came out to give me an estimate for what I thought was going to be a roof repair on my *(not too old roof). Unfortunately, the previous roofer did not do the correct thing and I needed a complete new roof. Four Seasons could not have been more professional. From the first call to the last nail they were polite, professional, and helpful. Donna in the office is SO patient, kind, and caring. I was scheduled for a few weeks out, but as the roof got worse they were able to schedule me in. The crew that arrived, headed by Antonio, was exceptionally polite, professional and hard working. They answered ANY (and I had a bunch) questions or concerns I had during the installation. They really worked as a team and the finished product looks great. Clean up was impeccable with them checking-in before saying they were done that I was happy. A few of the crew members mentioned they were with Four Seasons over a decade (a sign of a good, stable business). I highly recommend Four Seasons Roofing. From the first call to the last nail everything was great. More importantly, I am CONFIDENT that they did the RIGHT job and if there are any issues Bill and his team will stand behind their work."
GAF Preferred Contractor Badge
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+19

Response time2 days
Response rate100%
15 neighbors recently requested a quote
Avatar for Onyx Home Construction, Inc.
Onyx Home Construction, Inc.
4.7(
139
)
Sealant for Roof - Apply

Serving Holtsville, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"I have used this company before for my roof and they are excellent. Dimitri is very professional, knowledgeable and very polite. If you want quality work this company will do a quality job. I needed several things done around the house and Dimitri did them the same day that he gave me the estimate. I look forward to using Onyx Home Construction again."
Gutter guard
Gutter Guard
Gutter Guard
Gutter Guards
Gutter Guards

+53

Response time4 hrs
Response rate99%
15 neighbors recently requested a quote
Avatar for Non Stop Home Improvements Inc
Non Stop Home Improvements Inc
5.0(
57
)
Sealant for Roof - Apply

Serving Holtsville, NY and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Great job by Deniz and his hard working men. I had to go to work when they started but my retired next door neighbor watched them and told me they worked almost non- stop on a very hot 93 degree day. I would highly recommend Deniz to anyone looking for high quality roof work."
New Roof - Setauket
New Roof - Setauket
New Roof - Setauket
New Roof - Setauket
New Roof - Setauket

+12

Response time1 day
Response rate100%
2 neighbors recently requested a quote
Avatar for All Phase Construction, Inc.
All Phase Construction, Inc.
4.6(
504
)
Sealant for Roof - Apply

Serving Holtsville, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Emergency services offered

"They returned the call promptly. Came the same day. Found additional items and provided pictures from the roof to help explain what was needed for the repair. Price was in line with what I expected. Very professional"
chase top
chase top after
new chimney flashing
new roof
new roof

+13

Response time3 hrs
Response rate90%
97 neighbors recently requested a quote
Avatar for Best Choice Roofing and Chimney, Inc.
Best Choice Roofing and Chimney, Inc.
4.3(
1,675
)
Sealant for Roof - Apply

Serving Holtsville, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Emergency services offered

"I just get a chimney sweep work done by Best Choice Roofing. They arrived on time and did the work quickly and they did provide a receipt for the payment. They also recommended follow-up work."
Old Roof Removal
Roof
Installing new plywood
New Roof Completed
New Roof

+13

Response time11 hrs
258 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Best Way Roofing & Chimney
Best Way Roofing & Chimney
4.9(
14
)
Sealant for Roof - Apply

Serving Holtsville, NY and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"We have been having a problem with pigeons hanging around all day on/under our solar panels. I originally had a handyman who was going to install mesh around the edges of the panels and yesterday (the day he was supposed to come) found out he didn't have insurance/license so I canceled. I then went into a Zoom meeting and heard the darn pigeons cooing and fluttering all over the roof and got so upset. I came to Angi and found Best Choice Roofing (aka Best Way) - he called me back right away and in less than an hour he was here. The first thing he did was hand me his business card with his License # on it. Very professional. He got up on the roof, then in a few minutes came down and gave me an estimate. Once I accepted, he called his team to assist and he started on the roof. They were super clean - blew out my gutters, blew everything out from under the solar panels, and made sure to blow the porch and front of my house to remove any debris. I had peace of mind that they were licensed and insured. Today I am happy to announce, I have not heard ONE PIGEON! I know this company usually does more like roofing and gutter-type projects, but I will be letting any of my neighbors with solar panels/pigeons know who to call. Great crew. Thanks so much!"
Response time5 hrs
Response rate95%
96 neighbors recently requested a quote
Avatar for Double A Roofing and Siding
Double A Roofing and Siding
5.0(
9
)
Sealant for Roof - Apply

Serving Holtsville, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"Arjan helped me out with an urgent roof inspection. he was fast, reliable, friendly and best of all affordable. he didnt hesitate, and came by right away. on a moments notice. now that's good service"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

8 neighbors recently requested a quote
Recommended by33%of homeowners
Avatar for Landstar Construction
Landstar Construction
5.0(
28
)
Sealant for Roof - Apply

Serving Holtsville, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"I recently hired Landstar Construction for a flat roof replacement, and I couldn?t be more satisfied with the results. Steve was professional, honest, and knowledgeable from start to finish. He explained the entire process clearly, answered all my questions, and made sure everything was done the right way. The crew was efficient, respectful of the property, and left everything clean once the job was done. The quality of the work speaks for itself ? the flat roof looks great, and I feel confident knowing it was done by true professionals. I highly recommend Steve and Landstar Construction to anyone needing roofing work done. You won?t be disappointed!"
COPPER FLASHING
NEW ROOF
SKYLIGHT REPLACEMENT
SKYLIGHT REPLACEMENT
Paint Gaco

+3

Response time4 hrs
Response rate100%
135 neighbors recently requested a quote
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