Top-rated flat, foam or single ply roofing repairers.

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Flat, foam or single ply roofing repairers in Concord

Sierra Roofing & Solar
6955 Sierra Court, Suite 102
4.53(
46
)
Approved Pro
Sierra Roofing & Solar
6955 Sierra Court, Suite 102
4.53(
46
)
Approved Pro
Customers say: Quality work
16 local quotes requested
49 years of experience

Established in 1976, Sierra Roofing & Solar continues to stand alone as the premier roofing/solar company in the East-Bay. With more than 10,000 satisfied customers in both residential and commercial roofing and solar, our company takes tremendous pride in being a top company in the field. As innovators and leaders in modern techniques, our past and future customers can be assured that our 100% satisfaction, leak-free guarantee stands strong. From our informative Roofing & Solar Specialists to our expert Waterproofing Technicians, we know you will enjoy the professionalism of Sierra Roofing& Solar. References will be provided upon request.

"Great service and reliable"

Linda F on July 2020

Established in 1976, Sierra Roofing & Solar continues to stand alone as the premier roofing/solar company in the East-Bay. With more than 10,000 satisfied customers in both residential and commercial roofing and solar, our company takes tremendous pride in being a top company in the field. As innovators and leaders in modern techniques, our past and future customers can be assured that our 100% satisfaction, leak-free guarantee stands strong. From our informative Roofing & Solar Specialists to our expert Waterproofing Technicians, we know you will enjoy the professionalism of Sierra Roofing& Solar. References will be provided upon request.

"Great service and reliable"

Linda F on July 2020


AirTight Construction, Inc.
PO Box 6536
4.09(
26
)
Approved Pro
AirTight Construction, Inc.
PO Box 6536
4.09(
26
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
23 years of experience

At Airtight Construction, Inc., we provide a wide range of services. We specialize in roofing and we service both residential and commercial clients. Headquartered in Concord, our fully equipped and professional staff can meet any construction, renovation, or retrofit need; and can serve as a single point of contact for even the most complex or time constrained project. We are committed to a responsive delivery of flawless craftsmanship combined with the industry's best customer service. We bring a proven expertise and time tested techniques to every job site. While most companies rely on sub contractors, we have in house crews to handle any job.

"I initially hired Airtight Construction to replace my roof around August of 2020. Once airtight construction started working on the roof they informed me it was going to cost more. I was never given an estimate or a contract for the additional work. To date still no bill, though they ask for money continuously. While we are waiting for a roof inspection they started a kitchen remodel around sept. 2020. They removed my kitchen cabinets, replaced a few windows and did some electrical work. I began to worry about the work being done and called the city of Martinez for an inspection. They said some of the work Airtight Construction had done needed to be fixed. Things like Electrical Panel, the windows all needed to be removed because there was no sheeting. There are structural questions about how some of the beams they installed are going to be supported.. I now know no permits were pulled for the kitchen remodel,. though I asked for permits several times. I am now having to spend more money to hire new contractors to complete the job."

Karen D on September 2020

At Airtight Construction, Inc., we provide a wide range of services. We specialize in roofing and we service both residential and commercial clients. Headquartered in Concord, our fully equipped and professional staff can meet any construction, renovation, or retrofit need; and can serve as a single point of contact for even the most complex or time constrained project. We are committed to a responsive delivery of flawless craftsmanship combined with the industry's best customer service. We bring a proven expertise and time tested techniques to every job site. While most companies rely on sub contractors, we have in house crews to handle any job.

"I initially hired Airtight Construction to replace my roof around August of 2020. Once airtight construction started working on the roof they informed me it was going to cost more. I was never given an estimate or a contract for the additional work. To date still no bill, though they ask for money continuously. While we are waiting for a roof inspection they started a kitchen remodel around sept. 2020. They removed my kitchen cabinets, replaced a few windows and did some electrical work. I began to worry about the work being done and called the city of Martinez for an inspection. They said some of the work Airtight Construction had done needed to be fixed. Things like Electrical Panel, the windows all needed to be removed because there was no sheeting. There are structural questions about how some of the beams they installed are going to be supported.. I now know no permits were pulled for the kitchen remodel,. though I asked for permits several times. I am now having to spend more money to hire new contractors to complete the job."

Karen D on September 2020


Avatar for Diablo Roofing Service
Diablo Roofing Service
1101 W 10TH ST
5.00(
1
)
Approved Pro
Diablo Roofing Service
1101 W 10TH ST
5.00(
1
)
Approved Pro
6 years of experience
Free onsite estimate

For 15 solid years, our roofing team has been strong and fervent in providing our residential and commercial customers the excellent roofing services they deserve. Just recently in 2019, our team decided to consolidate all efforts to provide even better services for our residential and commercial customers in Antioch, CA. We introduce Diablo Roofing Services to the roofing industry that provides excellent yet honest roofing services! If you are thrilled to know about what this roofing contractor can do, stay faithfully on this page and find out!

"I’ve been having many issues with my roof over the past few years. I’ve had about 2 other companies try and repair my roof for me and none of them were able to fix it. Rogelio and his team knew exactly what to do. Their work was done AMAZINGLY and all done within my budget. I would recommend them to anyone that needs their roof fixed. 10/10 experience. "

Elizabeth C on July 2025

For 15 solid years, our roofing team has been strong and fervent in providing our residential and commercial customers the excellent roofing services they deserve. Just recently in 2019, our team decided to consolidate all efforts to provide even better services for our residential and commercial customers in Antioch, CA. We introduce Diablo Roofing Services to the roofing industry that provides excellent yet honest roofing services! If you are thrilled to know about what this roofing contractor can do, stay faithfully on this page and find out!

"I’ve been having many issues with my roof over the past few years. I’ve had about 2 other companies try and repair my roof for me and none of them were able to fix it. Rogelio and his team knew exactly what to do. Their work was done AMAZINGLY and all done within my budget. I would recommend them to anyone that needs their roof fixed. 10/10 experience. "

Elizabeth C on July 2025


Avatar for Frontline Roofing, Inc.
Frontline Roofing, Inc.
12669 San Pablo Ave #107
4.69(
27
)
Approved Pro
Frontline Roofing, Inc.
12669 San Pablo Ave #107
4.69(
27
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
234 local quotes requested

At FRONTLINE ROOFING INC, we're all about delivering top-notch quality in everything we do. Our values are simple yet powerful: fairness, honesty, and taking personal responsibility. What truly makes us stand out is our dedication to not just meeting, but exceeding customer expectations.But above all, it's our genuine care for our customers that drives us: we listen, we understand, and we make sure their needs are at the heart of everything we do.

"Great"

Gopal Y on August 2024

At FRONTLINE ROOFING INC, we're all about delivering top-notch quality in everything we do. Our values are simple yet powerful: fairness, honesty, and taking personal responsibility. What truly makes us stand out is our dedication to not just meeting, but exceeding customer expectations.But above all, it's our genuine care for our customers that drives us: we listen, we understand, and we make sure their needs are at the heart of everything we do.

"Great"

Gopal Y on August 2024


Avatar for NewHaus Roofing and Construction
NewHaus Roofing and Construction
670 Coleman Ave
4.64(
11
)
Approved Pro
NewHaus Roofing and Construction
670 Coleman Ave
4.64(
11
)
Approved Pro
384 local quotes requested
30 years of experience

With over 25 years of experience in the roofing and construction industry, we are the experts you need to take care of your home or business. We handle everything from roof inspections to full reroofs to building additions to your home or business. We will treat your home as we would treat our own. Give New Haus Construction a call today, we look forward to working with you!

"The job was a bit complicated and they did a pretty good job. The project manager was very intent to please, but time wise it was a small Desaster. Promises were not kept and it ended up taking almost a week longer than intended. Precautions were not taken to protect property from unexpected rain. In the end it turned out okay and I received a discount for the trouble. I didn’t come away unhappy!"

Lia G on August 2025

With over 25 years of experience in the roofing and construction industry, we are the experts you need to take care of your home or business. We handle everything from roof inspections to full reroofs to building additions to your home or business. We will treat your home as we would treat our own. Give New Haus Construction a call today, we look forward to working with you!

"The job was a bit complicated and they did a pretty good job. The project manager was very intent to please, but time wise it was a small Desaster. Promises were not kept and it ended up taking almost a week longer than intended. Precautions were not taken to protect property from unexpected rain. In the end it turned out okay and I received a discount for the trouble. I didn’t come away unhappy!"

Lia G on August 2025


Avatar for Alpha Roofing Group, Inc.
Alpha Roofing Group, Inc.
209 E Alameda Ave, Suite 102
5.00(
3
)
Approved Pro
Alpha Roofing Group, Inc.
209 E Alameda Ave, Suite 102
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
106 local quotes requested

At Alpha Roofing Group, we are a trusted Bay Area roofing company specializing in high-quality residential and commercial roofing solutions. With years of experience serving the unique architectural styles and weather conditions of Northern California, we provide expert roof replacements, repairs, inspections, and maintenance. Our team is committed to delivering exceptional craftsmanship using top-grade materials, including tile, shingle, metal, and flat roofing systems. We prioritize safety, energy efficiency, and long-lasting results—backed by strong warranties and transparent service. As a locally owned and operated business, we pride ourselves on our reputation for reliability, integrity, and personalized customer care. Whether you're protecting your family home or managing a commercial property, Alpha Roofing is here to keep your roof—and your peace of mind—intact. Established since 2013 Lifetime Warranty Financing Available

"The crew was punctual, skilled, and left the site spotless. They explained everything clearly and the new roof looks amazing. Great value and peace of mind. I would definitely recommend them to anyone!"

Elen G on September 2024

At Alpha Roofing Group, we are a trusted Bay Area roofing company specializing in high-quality residential and commercial roofing solutions. With years of experience serving the unique architectural styles and weather conditions of Northern California, we provide expert roof replacements, repairs, inspections, and maintenance. Our team is committed to delivering exceptional craftsmanship using top-grade materials, including tile, shingle, metal, and flat roofing systems. We prioritize safety, energy efficiency, and long-lasting results—backed by strong warranties and transparent service. As a locally owned and operated business, we pride ourselves on our reputation for reliability, integrity, and personalized customer care. Whether you're protecting your family home or managing a commercial property, Alpha Roofing is here to keep your roof—and your peace of mind—intact. Established since 2013 Lifetime Warranty Financing Available

"The crew was punctual, skilled, and left the site spotless. They explained everything clearly and the new roof looks amazing. Great value and peace of mind. I would definitely recommend them to anyone!"

Elen G on September 2024


Avatar for Journey Builders
Journey Builders
1897 Concourse Dr.
4.59(
107
)
Approved Pro
Journey Builders
1897 Concourse Dr.
4.59(
107
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
1230 local quotes requested

CAP INC is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you.

"Good customer service, good job on the roof, but very expensive in my view, $36K on a 1550 sq ft home plus about another roughly 700 sq ft garage and patio."

John K on April 2025

CAP INC is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you.

"Good customer service, good job on the roof, but very expensive in my view, $36K on a 1550 sq ft home plus about another roughly 700 sq ft garage and patio."

John K on April 2025


Avatar for Atom Builders, Inc.
Atom Builders, Inc.
3455 Ocean View Blvd, Suite 200
4.80(
66
)
Approved Pro
Atom Builders, Inc.
3455 Ocean View Blvd, Suite 200
4.80(
66
)
Approved Pro
Customers say: Quick response
258 local quotes requested
22 years of experience

We are a locally owned and operated company that values honesty and integrity, and treats your project as if it were our own. We offer a variety of services that are customization to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!

"The company was very responsive and very quick to get the job done."

Bill F on August 2025

We are a locally owned and operated company that values honesty and integrity, and treats your project as if it were our own. We offer a variety of services that are customization to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!

"The company was very responsive and very quick to get the job done."

Bill F on August 2025


Avatar for Clear View Roofing & Construction
Clear View Roofing & Construction
5938 Laurel Canyon Blvd
5.00(
27
)
Approved Pro
Clear View Roofing & Construction
5938 Laurel Canyon Blvd
5.00(
27
)
Approved Pro
Customers say: Quick response
366 local quotes requested
2 years of experience

Clear View Roofing is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Rob & his crew showed up on time today and got right to work. They kept us informed & updated on all progress of our project. One aspect of doing business with this company that I really appreciated was that Rob always picked up the phone and had answers and info for me. Awesome crew."

Ruben R on September 2024

Clear View Roofing is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Rob & his crew showed up on time today and got right to work. They kept us informed & updated on all progress of our project. One aspect of doing business with this company that I really appreciated was that Rob always picked up the phone and had answers and info for me. Awesome crew."

Ruben R on September 2024


Avatar for Ramirez Quality Roofing
Ramirez Quality Roofing
3609 Bradshaw Rd #H-418
4.91(
160
)
Approved Pro
Ramirez Quality Roofing
3609 Bradshaw Rd #H-418
4.91(
160
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
8 years of experience

At Ramirez Quality Roofing, we pride ourselves on providing quality service that customers can believe in. Whether it's roofing repairs, installs or general service, we can take care of all of your roofing needs. Ask us about our amazingly professional service! We look forward to working with you!

"Arnold is great! He replaced my broken roof tiles. I am very satisfied with the work he did. He is fast, professional and honest. Will use him again in the future. Highly recommended RAMIREZ QUALITY ROOFING. Thank you Arnold !"

Yan J on August 2025

At Ramirez Quality Roofing, we pride ourselves on providing quality service that customers can believe in. Whether it's roofing repairs, installs or general service, we can take care of all of your roofing needs. Ask us about our amazingly professional service! We look forward to working with you!

"Arnold is great! He replaced my broken roof tiles. I am very satisfied with the work he did. He is fast, professional and honest. Will use him again in the future. Highly recommended RAMIREZ QUALITY ROOFING. Thank you Arnold !"

Yan J on August 2025

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Showing 1-10 of 624
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