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

Avatar for Nobility Roofing and Waterproofing and Construction, LLC
Nobility Roofing and Waterproofing and Construction, LLC
5.0(
17
)
Sealant for Roof - Apply

Serving Bellevue, WA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Miguel at Nobility Roofing did an excellent job. I asked him to evaluate our roof for options to remediate excess water overflowing the edge of the roof with built in gutters. He identified that the existing downspouts were improperly sized, and that a few more downspouts needed to be added. Over the course of a week, he completed the work and it looks fantastic. Since the work has been completed, we've had several heavy rainfall periods. Typically, parts of our roof would turn into waterfalls over the edge of the roof during heavy rain. Since Miguel did the work, every drop of water has gone down the downspouts as planned, with no excess water over the edge. I highly recommend working with Miguel and Nobility Roofing!"
Installation of Gutter Guards
Complete roofing and wood structure repair.
Roofing
Roofing
Wood works

+57

Response time3 days
Recommended by93%of homeowners
Avatar for Diamond Roofing & Construction
Diamond Roofing & Construction
4.9(
63
)
Sealant for Roof - Apply

Serving Bellevue, WA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Roof was installed ahead of schedule. As we were replacing a clay tile roof with asphalt shingles, Eugene & team did a great job covering up some of the tan lines the old tile roof left on our paint. The reason for the quality ding: There was an issue with air flow to the roof we discovered years later and Eugene has been very responsive to help get the roof air flow dialed in appropriately. Once the air flow update is finished I will be sure to increase the quality score up by a star or two. He's a great friendly and timely roofer who I'd recommend for anybody in the area."
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+62

1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for DHT Construction & Roofing
DHT Construction & Roofing
4.9(
38
)
Sealant for Roof - Apply

Serving Bellevue, WA and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Curtis is an anomaly among contractors. He arrived exactly when he said he would. Did a thorough inspection of the job. Provided a reasonable quote and had the work done in a timely manner. Half the contractors I contacted never replied and two never showed up for the appointments they set. I highly recommend DHT Construction and Roofing."
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+18

Response time12 hrs
5 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Forever Roofing
Forever Roofing
4.7(
60
)
Sealant for Roof - Apply

Serving Bellevue, WA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"A roof is one of the more stressful home improvement experiences you can have. It protects your investment, there are many service providers to choose from and it is expensive. Making the right choice without over-spending, and not getting sub-standard results, is a little scary. I needed to move fast, but I knew I had to get at least three estimates. The first to quote was a company that is on the TV/radio. They quoted the highest price, overlooked the need for sheeting on half my roof (missed the shiplap) and spent more time talking about the evils of smaller companies than selling their own company....pass. The second company was a highly rated company, sold themselves well, but also missed the shiplap and the estimate was almost the same as the first, though with more upgrades; I kept them in mind. The third estimate was Forever Roofing, and you know by now who I went with. Sam contacted me shortly after I reached out to them and he was out to estimate my roof within 48hrs. He quickly called out the same issues the other companies did, but also caught the need for new sheeting (about 10 roof squares). Thanks to this I knew he was going to give me a more accurate estimate. They came in about 15% lower, so we talked about the estimate differences and it comes down to overhead. For example, they don’t have PCs in the company cars, aren’t using satellite software to create a fancy quote and aren’t paying for TV/radio spots; that savings is passed on to the customer. I agreed to go with them and was put on the schedule. Two weeks later it was time to get started! His husband and wife crew knocked out 33.5 roofing squares in about 3.5 days (house and a big detached garage). They timed it perfectly between weather systems and Sam was quite communicative about when they’d be there and what they’d be working on so I didn’t have to worry about scheduling. The roofing duo was very polite and efficient. Their work lined up with what we agreed upon in the contract and what I had read during my roofing research. The lower price wasn’t resulting in a lower quality product, so I knew I had made the right choice. Bonus; what I was quoted is exactly what I paid, as there were no surprises or missed details. All said and done, it was a pleasure working with Forever Roofing/Sam and I’ll be recommending them to anyone looking for a roofer. I feel great about my roof for the first time in years and that’s thanks to this company."
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+15

Response time1 day
7 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for A Better Roofing Company
A Better Roofing Company
4.8(
272
)
Sealant for Roof - Apply

Serving Bellevue, WA and surrounding areas

Approved

In business since 1991

Free estimates

Warranties offered

"A Better Roofing Company was great to work with. They were very organized. They completed the work in about a day and a half. I would recommend them to anyone looking for a new roof."
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+55

Response time2 days
8 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Three Tree Roofing
Three Tree Roofing
4.7(
43
)
Sealant for Roof - Apply

Serving Bellevue, WA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Very professional and quality work from a great team. The project was on time and on budget. Their quote was the mid point of the three quotes we received. Jack did the quote, walked us through it and was responsive getting the work scheduled. Adolfo and crew minimized the disruption and were done with a full 3500 SQ FT roof replacement in a little over a week. There were a few minor tweaks to the work order (additions), but nothing that required additional payment. They identified some siding issues that needed repair and recommended another company to take on that work. We would gladly recommend Three Tree for other similar projects and have already referred them to our neighbors."
New CertainTeed Shingle Roof installed in Bellevue, Washington
Synthetic Slate Roof installation in Shoreline, Washington
New Composite Asphalt Shingle Roof in Renton, Washington
Tapered Malarkey Shingle on Low-Slope Roof in Des Moines, Washington
Asphalt Shingle Roof Replacement in Sammamish, Washington

+162

Response time1 day
Response rate100%
21 neighbors recently requested a quote
Avatar for Rain City Exteriors
Rain City Exteriors
4.8(
27
)
Sealant for Roof - Apply

Serving Bellevue, WA and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"When we discovered extensive rot damage to our home after removing an old deck, we were distraught. Many companies offered to do structural repairs or siding and paint, but not both. Moreover, those companies carried large project minimums, which would have forced us to throw away thousands to have our serious issue addressed. Enter Rain City. Guillermo, our project coordinator, offered to come out and see our project in person the day after our call, and was able to get a crew out to make the repairs that same week. The work was fast, but thorough - the Rain City crew even identified and fixed a number of additional siding and flashing issues around our house that we weren't aware of. Perhaps best of all, the minimum project size was reasonable: we didn't have to throw away any money for their services. If you find yourself needing home exterior help on short notice or small scale, give Rain City Exteriors a call - you won't regret it!"
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+17

Response time9 hrs
7 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for ROOF4LIFE
ROOF4LIFE
4.7(
32
)
Sealant for Roof - Apply

Serving Bellevue, WA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"We just had our full roof replaced by Roof4Life, and we could not be happier. Professional work is done in a timely manner. Huge improvement from our old roof. The new waterproofing looks great. Good roof for a good price, and the crew did a great job."
Plywood replacement
Full Plywood Replacement
Full plywood replacement
Plywood replacement
Plywood replacement

+12

Response time6 hrs
Response rate99%
29 neighbors recently requested a quote
Avatar for KSR
KSR
5.0(
14
)
Sealant for Roof - Apply

Serving Bellevue, WA and surrounding areas

Approved

In business since 1977

Free estimates

Emergency services offered

"Kelly and his team at KSR Roofing was able to figure out my issue quickly and resolve it as soon as weather permitted. I have a flat roof modern construction house which is difficult to assess where the leaking is coming from. I had many quotes for full roof replacement. After spending some time figuring out my problem, KSR was able to resolve my problem significantly less expensive than other quotes. KSR has an extremely experienced and talented team. They also offer good value and incredible customer service."
Response time3 days
25 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Unique Roofing & Home Improvement LLC
Unique Roofing & Home Improvement LLC
4.8(
14
)
Sealant for Roof - Apply

Serving Bellevue, WA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"They arrived on time. I asked them to cover the roof where the leaks were located with tarps. I explained the house would be demolished eventually so a roof repair was unnecessary. They didn't argue, instead they inspected the roof and located the leaks very quickly. They installed tarps, sprayed the black mold that had formed and used plywood to secure a waterlogged area of the ceiling. They did precisely what I had asked for and charged a reasonable amount. I will hire them again."
Response time2 days
Response rate86%
88 neighbors recently requested a quote
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