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Find Asphalt shingle roofing installers and replacers in Discovery Bay

Avatar for Journey Builders

Journey Builders

1897 Concourse Dr.
4.59(
110
)
•Approved Pro

Journey Builders

1897 Concourse Dr.
4.59(
110
)
•Approved Pro
Customers say: Quick response
1243 local quotes requested
3 years of experience

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.

"Project is not completed yet"

Elliot R on September 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.

"Project is not completed yet"

Elliot R on September 2025


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 Modern Roofing, Inc.

Modern Roofing, Inc.

99 South Almaden Boulevard, Suite 600
4.60(
11
)
•Approved Pro

Modern Roofing, Inc.

99 South Almaden Boulevard, Suite 600
4.60(
11
)
•Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
54 local quotes requested

Modern Roofing was founded in 2000 by Mario Tudela, it was incorporated in 2003. Modern employs their own crews there are no subcontractors or day laborers. We maintain the highest level of industry standards to ensure complete customer satisfaction. Modern Roofing has worked diligently to provide a safe work environment and is OSHA compliant. Job sites are monitored daily by qualified Project Managers. We also employ a fully staffed office each are knowledgeable and readily available to assist you. We offer several financing programs. Serving customers in Southern California and California's Central Coast.

"Horrible customer service, Horrible communication. They come out when they want, then don't show up for days at a time. Call the office and get told they will let PM know and still no callback. City Inspector comes out looking for them and has questions and concerns about their work and still no call back.. Do not use this company..."

Diane W on September 2025

Modern Roofing was founded in 2000 by Mario Tudela, it was incorporated in 2003. Modern employs their own crews there are no subcontractors or day laborers. We maintain the highest level of industry standards to ensure complete customer satisfaction. Modern Roofing has worked diligently to provide a safe work environment and is OSHA compliant. Job sites are monitored daily by qualified Project Managers. We also employ a fully staffed office each are knowledgeable and readily available to assist you. We offer several financing programs. Serving customers in Southern California and California's Central Coast.

"Horrible customer service, Horrible communication. They come out when they want, then don't show up for days at a time. Call the office and get told they will let PM know and still no callback. City Inspector comes out looking for them and has questions and concerns about their work and still no call back.. Do not use this company..."

Diane W on September 2025


Avatar for Moran Roofing & Inspection Co., Inc.

Moran Roofing & Inspection Co., Inc.

543 Leisure St
New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

Moran Roofing & Inspection Co., Inc.

543 Leisure St
New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
37 local quotes requested
27 years of experience

We specialize in Residential Roofing projects. We offer services in repairs, Inspections, full re-roofs, custom homes and large HOA Multi Family Communities. No job is to small or too big. We also provide services in gutters, gutter guards, skylights and Sun Tunnel installations. Our Crews are terrific in wood working, we can handle all your dry-rot and termite problems. We leave every project with all wood primed and painted to match. Moran Roofing also provides Free Estimates for our Residential and Commercial opportunities. All of our crews are Moran Roofing Employees, we do not sub contract any of our work out to others. My name is Brett Moran and I look forward to providing our services to you and your home.

We specialize in Residential Roofing projects. We offer services in repairs, Inspections, full re-roofs, custom homes and large HOA Multi Family Communities. No job is to small or too big. We also provide services in gutters, gutter guards, skylights and Sun Tunnel installations. Our Crews are terrific in wood working, we can handle all your dry-rot and termite problems. We leave every project with all wood primed and painted to match. Moran Roofing also provides Free Estimates for our Residential and Commercial opportunities. All of our crews are Moran Roofing Employees, we do not sub contract any of our work out to others. My name is Brett Moran and I look forward to providing our services to you and your home.


Avatar for Cobex Construction

Cobex Construction

503 Giuseppe Ct #4
4.61(
49
)
•Approved Pro

Cobex Construction

503 Giuseppe Ct #4
4.61(
49
)
•Approved Pro
Customers say: True professional
27 local quotes requested
8 years of experience

Cobex Construction Group is your 5-Star trusted exterior contractor for Roofing , Siding and Windows. We are a local family owned home improvement company with a combined 30 years of experience in home improvement and construction. Our company principle is "people before profit" we believe in the saying ?Do it once, Do it right?

"Cobex did a great job replacing my old roof from the initial call to final cleanup. They were very responsive in getting all of the details right Ahead of time, and were prepared for every question. "

David W on July 2025

Cobex Construction Group is your 5-Star trusted exterior contractor for Roofing , Siding and Windows. We are a local family owned home improvement company with a combined 30 years of experience in home improvement and construction. Our company principle is "people before profit" we believe in the saying ?Do it once, Do it right?

"Cobex did a great job replacing my old roof from the initial call to final cleanup. They were very responsive in getting all of the details right Ahead of time, and were prepared for every question. "

David W on July 2025


Avatar for Eagle Legacy Roof Masters Inc

Eagle Legacy Roof Masters Inc

9050 Calle Del Rey
5.00(
8
)
•Approved Pro

Eagle Legacy Roof Masters Inc

9050 Calle Del Rey
5.00(
8
)
•Approved Pro
53 local quotes requested
Free onsite estimate

Eagle Legacy Roof Masters Inc, 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. 12 years of 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.

"Remove solar panels( 15)stored panels, replaced panels, double checked working solar panels after reinstalling 👍complete installation new roof tiles. repaired south side of roof ,sealed all vents , added new vents. Sealed skylights. Work start to finish was efficient, professional, and was a very good Experience 🫶🏼 Kudos & good vibes"

Sharonlee H on August 2025

Eagle Legacy Roof Masters Inc, 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. 12 years of 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.

"Remove solar panels( 15)stored panels, replaced panels, double checked working solar panels after reinstalling 👍complete installation new roof tiles. repaired south side of roof ,sealed all vents , added new vents. Sealed skylights. Work start to finish was efficient, professional, and was a very good Experience 🫶🏼 Kudos & good vibes"

Sharonlee H on August 2025


Avatar for Roofing Lopez

Roofing Lopez

3700 CONCORD AVE UNIT 7
5.00(
1
)
•Approved Pro

Roofing Lopez

3700 CONCORD AVE UNIT 7
5.00(
1
)
•Approved Pro
2 years of experience
Free onsite estimate

We're a locally owned and operated company that values honesty and integrity in all aspects of our business. We offer a variety of services that are customizable to each individual project. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

We're a locally owned and operated company that values honesty and integrity in all aspects of our business. We offer a variety of services that are customizable to each individual project. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!


Avatar for HDZ Roofing Services

HDZ Roofing Services

701 E. Century Pl.
4.91(
12
)
•Approved Pro

HDZ Roofing Services

701 E. Century Pl.
4.91(
12
)
•Approved Pro
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
10 local quotes requested

We're a locally owned and operated company that values honesty and integrity in all aspects of our business, and stands behind our work. We specialize in a variety of home improvement and home repair projects, from kitchen and bathroom remodels to smaller handyman-related tasks. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction!

"Replaced the (very old) roof on a detached garage. I would call them again for any roofing needs."

Cheryl V on June 2024

We're a locally owned and operated company that values honesty and integrity in all aspects of our business, and stands behind our work. We specialize in a variety of home improvement and home repair projects, from kitchen and bathroom remodels to smaller handyman-related tasks. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction!

"Replaced the (very old) roof on a detached garage. I would call them again for any roofing needs."

Cheryl V on June 2024


Avatar for Spartan Home Services

Spartan Home Services

7311 Galilee Rd Suite 105
4.20(
5
)
•Approved Pro

Spartan Home Services

7311 Galilee Rd Suite 105
4.20(
5
)
•Approved Pro
Customers say: Quick response
48 local quotes requested
6 years of experience

At Spartan Home Services we specialize in premium solar and roof systems. As your go-to roofing contractor, we prioritize quality through stringent hiring standards and advanced technology. Whether you're in need of roof repair or considering a roof replacement, our team is here to provide comprehensive solutions tailored to your needs. Our mission extends beyond mere installations, we aim to enhance your home with top-notch craftsmanship and cutting-edge technology. Extending beyond quality, we have a passion for creating lasting relationships with our neighbors, to listen, to hear, and to help. We champion green technologies and community well-being, underscoring our dedication to sustainability and social responsibility. Our eco-friendly and community-driven approach not only enhances our project longevity but also positions us as industry leaders. Trust Spartan Home Services for quality work that stands the test of time from a team that will nurture you through the whole process.

"I paid $62000 to have my roofs repaired - not cheap for a disabled person. Hopefully, thei dropping the ball is not because Im disabled. They removed but did not properly reattach my ATT line to detached garage. Also, there was a fluke rainstorm about 1-1/2 weeks ago and i heard a dripping sound in / near chimney. I complained and Brent Eikanas their contact promised to have supervisor here to check leak TODAY between 10-11 am and anchor the ATT connection like it was before they removed it. They no-showed AGAIN. I had to remind them of other items they needed to do to finish/using my payment as leverage - removing the old gutter all the way - they had only half-way removed it. I have photos and next winter will have to video and record leak in/near fireplace. I had to start documenting because phone call is useless. The workers left nails and some trash too and on Cinco de Mayo, their last day here, they did two structures in 4 hours,"

carol E on May 2025

At Spartan Home Services we specialize in premium solar and roof systems. As your go-to roofing contractor, we prioritize quality through stringent hiring standards and advanced technology. Whether you're in need of roof repair or considering a roof replacement, our team is here to provide comprehensive solutions tailored to your needs. Our mission extends beyond mere installations, we aim to enhance your home with top-notch craftsmanship and cutting-edge technology. Extending beyond quality, we have a passion for creating lasting relationships with our neighbors, to listen, to hear, and to help. We champion green technologies and community well-being, underscoring our dedication to sustainability and social responsibility. Our eco-friendly and community-driven approach not only enhances our project longevity but also positions us as industry leaders. Trust Spartan Home Services for quality work that stands the test of time from a team that will nurture you through the whole process.

"I paid $62000 to have my roofs repaired - not cheap for a disabled person. Hopefully, thei dropping the ball is not because Im disabled. They removed but did not properly reattach my ATT line to detached garage. Also, there was a fluke rainstorm about 1-1/2 weeks ago and i heard a dripping sound in / near chimney. I complained and Brent Eikanas their contact promised to have supervisor here to check leak TODAY between 10-11 am and anchor the ATT connection like it was before they removed it. They no-showed AGAIN. I had to remind them of other items they needed to do to finish/using my payment as leverage - removing the old gutter all the way - they had only half-way removed it. I have photos and next winter will have to video and record leak in/near fireplace. I had to start documenting because phone call is useless. The workers left nails and some trash too and on Cinco de Mayo, their last day here, they did two structures in 4 hours,"

carol E on May 2025


Avatar for RMM Roofing, Inc.

RMM Roofing, Inc.

117 Louvaine Ave
5.00(
1
)
•Approved Pro

RMM Roofing, Inc.

117 Louvaine Ave
5.00(
1
)
•Approved Pro
3 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's custom needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Rmm roofing is our go to roofing company. They do a great job at re roofing our projects and we have no complaints. "

Jerry T on April 2025

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's custom needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Rmm roofing is our go to roofing company. They do a great job at re roofing our projects and we have no complaints. "

Jerry T on April 2025

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FAQs for asphalt shingle roofing installation and replacement projects in Discovery Bay, CA

Roofing professionals can usually install a medium-sized asphalt shingle roof in two to three days. Installation time increases if your roof is particularly steep or difficult to access or has features like chimneys or skylights that roofers must work around.

Three-tab asphalt shingles usually have the lowest upfront cost of any roofing shingle material. They’re sturdy and typically last 15 to 20 years. However, they may have a shorter lifespan in especially hot or cold climates. Talk to a local roofing professional about the best materials for your climate. In some cases, materials with a higher upfront cost may save you more on repairs or replacements in the long run.

Start by multiplying the length by the width of your roof to calculate the square footage. Most shingle replacement costs $4 to $12 per square foot for materials and labor, depending on factors like the material and the slope of your roof. Once you know the size of your roof, you can calculate a rough estimate of total costs or contact a local roofing professional to provide you with a custom quote.

Asphalt shingles are generally considered to be a low-maintenance item. However, cleaning your asphalt roofing can help prolong the lifespan and keep it looking fresh. If you’re comfortable with DIY and have the proper equipment, you may be able to clean your asphalt shingles yourself. However, if you have an especially high or steep roof, it’s usually safer to hire a professional roof cleaner.

The Discovery Bay, CA homeowners’ guide to asphalt shingle roofing installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.

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