Certified Roof and Inspection Serving Stockton

 

At Ron Williams Certified Roof and Inspection, we are proud to have the happiest roofing customers in Stockton - hands down! Their feedback over the last 35 years speaks for itself. When you choose us, you’re making the best choice. For this roofing job, we're making custom flashing to resolve a difficult ventilation issue for a homeowner with a flat roof. 

A few weeks after the the new roofing system was completed, he called to tell us that the living space had never been that comfortable before!

Show for a stocking roofing contractor that you can count on every time, visit: www.roofcertified.com or call: 209-252-0044

"Best Flat Roof Contractor in Stockton"

 www.roofcertified.com

For Stockton roofing, because of their reputation, local reviews, and their quality oriented business model, Ron Williams Certified Roof & Inspection is known as the best roofing contractor in Stockton.

1. High-Level Technical Expertise

Ron Williams has a unique background for a roofing contractor as a former roofing expert for the California State License Board (CSLB). He has a comprehensive understanding of local building codes and roofing installation specifications than most roofing contractors. 

•  Flat Roofs: They specialize in solving flat roof leak issues TPO (Thermoplastic)

3. Specialized "Roof Certification" Program

We offer a formal 2-year Roof Certification.

4. Local, Family-Owned Quality Control

A local Stockton roofing contractor with over 40 years of experience. We maintain quality by:

• Limiting Workload: We have a policy of not taking on more work than we can personally manage to ensure the highest level of quality on every job site.

• Certified Staff

5. Strong Credentials & Ratings

• GAF Certified: We are authorized to offer the GAF System Plus Limited Warranty.

• High Ratings: They consistently hold high scores (approx. 4.8/5) on platforms like GAF's contractor search , Yelp and Google.

  Visit: www.roofcertified.com

  Or Call: 209-252-0044

Customers Love This Roofing Contractor in Stockton!

Ron Williams Certified Roof & Inspection: 

Providing roofing services for over 50 years and 35 years as a roofing contractor, we have learned what matters most to our customers.

1. Quality Work.

 50 years of roofing experience at the helm, we know how to do it right.

One of the biggest differences is that unlike ALL of the other roofing contractors in the Stockton area, We pay our roofers by the hour with an emphasis on quality first rather than quantity production.

2. Customer Service.

Once you contact Lisa in the office at Certified to when you meet our Cesar our estimator, you will know you that you are in good hands and by the time your roofing work is done you will be happy.

When we are done with your roofing work there will be No Mess left whatsoever and best of all no more roof leaks.

Visit: www.roofcertified.com

Or Call:  209-252-0044

Tile Roof Important Facts to Know!

 

 Here, roof the slope is 1.3/12  and according to codes and specifications essentially a "flat" roof and that is why there should not be a roof installation with materials that require a "steep" slope or 2.5/12 and above.

A certified roofer would know this.

Why This Is a Problem

Tile Roofing is considered "water-shedding" rather than "waterproof." They depend on a steep enough slope for water to run off the surface quickly.

When installed on a low slope such as this one in the picture, even the smallest amount of debris accumulation (which will happen even faster with the low roof slope) will cause roof leaks.

In addition, any roofing material warranties will not apply.

For an honest and knowledgeable assessment, visit: www.roofcertified.com

Or Call: 209-252-4400

 

Roofers in Stockton Customers Always Happy!

I love it when I get to tell customers what they want to hear.

The only problem is there are lots of times where I have to tell them just the opposite.

The thing is we always tell it like it is regardless, like when we went to do a free quote for a tile roof repair and when I got there the homeowner had concrete tile installed on a roof with a slope of .5/12 (nearly dead flat). I informed her that I would need to replace that 100 sq. ft. area with low slope roofing material, while advising her that there are roofers out there that would patch it.

She got very upset with me for trying to sell her more than she wanted when "all it needs is some mastic".

But that's one of the reasons we won 2025 Stockton Business Quality Award in the roofing area where we placed in the top 1% of American business for customer service and quality, because we do the right thing every time.

So for a roofing contractor you can count on, visit: www.roofcertified.com or call: 209-252-0044

Top Rated Roofer in Stockton

 

                                   2025 top rated roofing contractor in Stockton!

I came across this award, apparently the Stockton community loves Ron Williams Certified Roof & Inspection for roof inspection, roof repair and new roofing.

For all of your Stockton roofing needs you will always be able to count on us. GUARANTEED!

Stockton’s Trusted Roofing Contractor

 

“They continue to provide quality work and courteous service.

definitely worth it. I will be using them for any roof services in the future.”   Gayle M.

 Stockton’s trusted roofing & inspection certified professionals. Honest work, clean job sites, quality results.

Call (209) 252-0044 

www.roofcertified.com

Stockton Roofers

 

At Ron Williams Certified Roof & Inspection, we take great pride in our quality work and customer service.

5.0   |  02-19-2008

Review by Diane M. in Stockton CA

Project: Repair an Asphalt Shingle Roof

"Ron was a joy to work with, informative, prompt, know how, courteous and ready to work."

At Ron Williams Certified Roof & Inspection our customers get peice of mind as soon as they meet us and it just gets better.                                

Repair a Tile Roof

 

5.0   | Review by Mary P. in  CA

Project: Repair a Tile Roof

“Ron was quick on the draw to call, show up and check out the situation. He provided a no nonsense assessment of the situation and a Johnny-on-the-spot written reasonable quote. As scheduled, Ron & associate came and fixed my roof as promised for the agreed upon price. I will definitely call upon Ron if I have a roofing issue in the future. In addition, I would strongly recommend them to anyone in need of roofing repair.”

At Ron Williams Certified Roof & Inspection we understand that your home is your Castle.

That's why we make sure that after every Roofing job there is no trace of debris left behind in the yard.

Stockton Roofing Customer

                                            Another happy Stockton roofing customer! 

This newly replaced roof showcases the quality and care behind every job at Ron Williams Certified Roof & Inspection. Our client was extremely pleased with the terrific work and smooth experience from start to finish.

We are certified roofing installers in Stockton CA,  providing fantastic customer service.

Visit: www.roofcertified.com

Fake Roofing Reviews - Watch Out!

 

I asked Google AI “how is the same roofing contractor rated super high on Google yet the lowest rated roofing contractor on Yelp?

This is what they said so do your due diligence and check those Yelp reviews too because Google is basically saying that a high percentage of their reviews are fake.

A contractor can have different star ratings on different platforms due to differences in review algorithms, user behavior, and the presence of fake or incentivized reviews. Yelp is often seen as more stringent with review moderation, while Google is more accessible, leading to more reviews but also potentially more manipulation or low-effort ratings.

Quality You Can Trust: Ron Williams is a GAF Certified Roofer in Stockton!

 

When it comes to protecting your most valuable asset, don't settle for less. As a GAF Certified™ contractor, we are authorized to offer enhanced warranties, giving you the best protection for your new roof system. 

 What our customer, P.M., said:  "We would most definitely recommend Ron Williams Certified Roof & Inspection... Cesar and his crew arrived on time and worked diligently to successfully complete all work within one day and left our property very clean after they'd finished!" (Oct 2025)

Ready for a roof that lasts? Get a free estimate! Call (209) 252-0044.

Stockton Roofer Hits It Out of The Park.

 

We can help with any roofing problem.

Tamara B.

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this company hits it out of the park with their knowledge, service and quality of work. if you are looking for a roofing company for an inspection or work needing to be done you cannot go wrong hiring them. they will be my only roofing company moving forward.

Stockton Roofers Ron Williams Certified Roof

 

Need help with the roof? Call us, we can help.

“My husband noticed a roof leak and we immediately contacted Ron Williams Certified Roof and Inspection and spoke with Lisa. She was very honest about the process, pricing and timing from the moment we spoke with her which we appreciated. Lisa always addressed any questions or concerns that we had about the process in a timely manner. Once the project started, Cesar and his team were amazing. They arrived on time and were courteous and professional. They did a great job and were honest and informative throughout the entire process. We highly recommend this company and Cesar and his team. They do quality work with integrity and professionalism.”  - Adrian & Danielle

Thank you,

Danielle

Our Happy Stockton Roofing Customers Say It All!

" Dear Lisa and all at Ron Williams Certified,

We can't thank you enough for everything you've done to make our repair happen smoothly and on time.  Thank you so much!  The after photos were really above and beyond, so please express our special gratitude to Cesar for sharing them.

We've sent everything on to our insurance agent, and are feeling optimistic about having the duplex insurance reinstated.

Again, thank you for working with us.  You helped us make the best of this stressful situation.  Your professionalism, advice, and customer service are so much appreciated!

Best to you,

Eric Marks & Chrys Fasoli"

Best Stockton Roofing Services

 

When it comes to roofing services in Stockton, few names stand out as prominently as Ron Williams Certified Roof and Inspection. With a reputation for excellence, professionalism, and integrity, Ron Williams has established himself as the go-to roofing contractor in the area. The company provides a comprehensive range of services, catering to both residential and commercial clients, ensuring that every roofing need is met with precision and care.

 

One of the hallmarks of Ron Williams’ approach is their commitment to quality. This roofing contractor understands that a roof is not just a protective covering; it’s an essential component of a home or business that must withstand the elements and provide security. That’s why they use only the best materials available in the market. Ron Williams carefully selects top-tier roofing products, ensuring durability and longevity for every project undertaken. Whether it’s asphalt shingles, metal roofing, or flat roofs, clients can trust that they are receiving the highest level of craftsmanship.

Ron Williams Certified Roof and Inspection stands out as the best roofing contractor in Stockton due to their commitment to quality, customer service, thorough inspections, and ongoing maintenance. With a solid reputation built on trust and expertise, Ron Williams is the ideal choice for anyone in need of roofing services, ensuring that every roof not only looks great but also stands the test of time.

The Importance of Hiring a Licensed, Experienced Local Stockton Roofing Contractor

 

When it comes to maintaining or upgrading your home, the roof is one of the most crucial components that often gets overlooked. In Stockton, where seasonal rains and intense heat can take a toll on roofs, it’s essential to ensure that your roof is in the best possible condition. However, the choice of contractor can make a significant difference in the quality of work performed. Hiring a licensed, experienced local roofing contractor is paramount for several reasons.

 Expertise and Experience

A licensed roofing contractor brings a wealth of knowledge and experience to the table. They are equipped to handle various roofing materials, styles, and issues that may arise. In Stockton, where older homes may have unique roofing challenges, an experienced contractor is better prepared to address these nuances effectively. Their hands-on experience allows them to offer solutions that a less experienced roofer might miss.

Compliance with Local Building Codes

 Roofing projects must comply with local building codes to ensure safety and quality. A licensed contractor in Stockton is familiar with these regulations and can navigate them easily, saving you potential legal troubles later. Hiring someone who understands local codes means your roof will be up to standard, thus protecting your home’s value and ensuring safety for your family.

 Quality of Workmanship Experience often translates to a higher level of craftsmanship. A licensed contractor has a reputation to uphold and understands the importance of delivering quality work. They often have established relationships with suppliers, which can lead to better materials and warranties. When you hire an experienced local contractor, you can have confidence in the durability of the roof they install or repair.

Local Knowledge and Connections

 Local roofing contractors understand the specific environmental factors that may affect your roof. Being based in Stockton, they are aware of the typical weather conditions, potential hazards, and the best materials suited for the local climate. Additionally, local contractors often have connections with suppliers, which can lead to cost savings on materials and quicker access to high-quality resources.

Roof Warranty and Insurance

 Reputable licensed roofing contractors typically offer warranties on both their labor and materials, providing you with peace of mind. If something goes wrong after the job is completed, a warranty ensures that you won't have to bear the costs of repairs yourself. Moreover, hiring a licensed contractor means they will have the necessary insurance, protecting you from liability in case of accidents or injuries that occur during the roofing project.

 Living in Stockton, California means dealing with extreme weather conditions that can take a toll on your roof. From scorching hot summers to wet and windy winters, your roof takes a beating all year round. That's why it's crucial to hire a local roofing contractor who knows the area and the unique challenges it presents.

At Ron Williams Certified Roof and Inspection, we're proud to be a local roofing contractor in Stockton, California. In business 35 we've been serving the community for over 20 years, and we understand the importance of hiring a local contractor.

Here are some reasons why it's so important to hire a Stockton local roofing contractor like Ron Williams Certified Roof and Inspection.

1. Local Knowledge and Experience

As a local certified roofing contractor, we have a deep understanding of the weather patterns and building codes in Stockton. We know which materials work best in the area and can provide recommendations based on your specific needs. Our team has worked on a variety of roofs in the community, from residential to commercial, and we have the experience to handle any job.

2. Quick Response Time

When it comes to roofing emergencies, time is of the essence. As a local contractor, we can respond quickly to your needs and get the job done promptly. We understand the urgency of a leaky roof or damaged shingles and will work efficiently to get your home or business back to normal.

3. Personalized Service

At Ron Williams Certified Roof and Inspection, we pride ourselves on providing personalized service to each of our clients. We take the time to understand your specific needs and provide recommendations based on your budget and preferences. We're not a big corporation, so you can trust that we'll treat you like a neighbor, not just a number.

4. Quality Workmanship

As a certified local roofing contractor, we're committed to providing quality workmanship on every job. We use only the best materials and equipment to ensure that your roof is built to last. We stand behind our work and offer a satisfaction guarantee on all of our services.

5. Community Involvement

At Ron Williams Certified Roof and Inspection, we're not just a business; we're a part of the Stockton community. We believe in giving back and supporting local organizations and causes. When you hire us, you're not just getting a roofing contractor; you're supporting a local business that cares about the community.

So if you're in need of a roofing contractor in Stockton, California, look no further than Ron Williams Certified Roof and Inspection. We're committed to providing quality workmanship, personalized service, and quick response times to all of our clients. Contact us today to schedule your roofing inspection or estimate and see the difference that a local contractor can make.

We offer roof inspections, roof repair and installation.

 

Best Stockton Roofing

Hello everyone! Are you looking for top-tier quality roofing contractor services? Look no further! Since 1991, Ron Williams Certified Roof & Inspection has been your go-to expert for all your roofing needs. For the past 20 years, we have been proudly serving the Stockton area, earning a reputation as the most reliable and trusted roofing contractor around.

What sets us apart from the competition? At Ron Williams Certified Roof & Inspection, our primary focus lies in delivering exceptional quality workmanship. We understand that your roof is a critical aspect of your home or business, and we take this responsibility seriously. Our team of highly trained and experienced professionals uses only the best materials and techniques to ensure your roof stands the test of time.

Customer service is another cornerstone of our business. From your first interaction with us, you'll notice the difference. Our friendly and knowledgeable staff are here to guide you through every step of the process, answering any questions you may have and providing you with the information you need to make informed decisions. We believe that open communication and transparency are key to achieving customer satisfaction, and we strive to exceed your expectations every time.

Cleanliness is a value we uphold with utmost importance. Roofing projects can be messy, but not when you choose Ron Williams Certified Roof & Inspection. Our team takes great care to keep your property clean and safe throughout the duration of the project. We make sure to leave your premises spotless once the job is completed, so you can enjoy your new roof without any hassle.

Over the last three decades, we've handled a wide range of roofing projects, from minor repairs to complete roof replacements. No job is too big or too small for us. We offer a variety of services, including leak detection and repair, roof inspections, maintenance programs, and much more. Our comprehensive approach ensures that all your roofing needs are met under one roof - pun intended!

But don't just take our word for it. Our satisfied customers are our best advocates. Hundreds of homeowners and business owners in Stockton have trusted us with their roofing needs, and their positive reviews speak volumes about the quality of our work. We are committed to maintaining this high standard of excellence, and we continuously seek ways to improve and innovate.

So, whether you're dealing with an emergency roof leak, planning a major renovation, or just want to ensure that your roof is in top shape, Ron Williams Certified Roof & Inspection is here to help. Contact us today to schedule a consultation or to learn more about our services. Depend on us for all your roofing needs and experience the difference in quality, service, and cleanliness that we bring to every project.

Thank you for considering Ron Williams Certified Roof & Inspection. We look forward to working with you and protecting your home or business with a roof you can rely on for years to come.

 

Local Stockton Roofers

Ron Williams Certified Roof & Inspection

A Stockton Roofing Contractor who is actually located in Stockton, we have been in business since 1991 with the last 20 years here in Stockton and we will be here for you when you need us!

www.roofcertified.com