The engineering-driven roofing company.Built for certainty.
Commercial discipline.
Residential care.
The Occidental Standard.Six commitments.
Led by a principal
A principal owns every project from first contact through warranty.
Scoped by an engineer
A HAAG-certified engineer defines the exact scope. No guesswork. No padding. No change orders.
Executed by craftsmen
Certified crews install to manufacturer specifications. Every step recorded on our platform.
Documented to the letter
Full photo records, reports, and warranty registration, delivered through your client portal. The record is yours.
Built for Arizona
We engineer for Arizona's monsoons, extreme heat, and desert UV. No surprises.
Governed like a family
Controlled by the founding family, transitioning to employee ownership and professional management. Built to last decades.
Selected work.
Trusted by owners and operators.
“Gustavo handled all the work with insurance company and walked me through the entire process, he made it super simple. The entire team is detailed oriented and knowledgeable.”
“Gustavo was awesome, he handled all the paperwork, took care of all the insurance issues and made sure that they completely covered the replacement roof. Then his crew did a beautiful job.”
“I was very pleased to have a free inspection and frankly thought I would get a sales talk. He inspected my roof, showed me pictures of it from a drone and explained what a bad underlayment meant with pictures of one.”
“Working with Gustavo, who managed everything with the utmost professionalism, made the entire process smooth and stress-free. His attention to detail and clear communication were truly commendable.”
“Manuel was super helpful and made this process so easy. He helped me get in contract with financing and was quick to get me on the schedule.”
“Best roof repair I have ever had. I just did it for Hail damage, but they went above and beyond to get it perfect. They got everything through insurance so I only needed to verify.”
“Diego was a valuable asset when dealing with my insurance company and did most of that heavy lifting. His knowledge about the insurance process and talking to them directly was a relief!”
“My property was left very pristine when everything was done I didn't have to go behind them to do any cleaning up after them, they were awesome.”
“Great experience working with them. They went above and beyond. They were extremely helpful in working with our insurance and helping us navigate all of that.”
“They provided not only the profound knowledge and expertise but also the compassion and understanding they gave us when replacing our roof.”
“Mi casa ahora luce como nueva y el trabajo fue de gran calidad. Recomiendo totalmente a este equipo”
“Gus went above and beyond fully exceeding my expectations! Huge thank you to the entire crew for all your hard work.”
“Gustavo (Project Manager) was advertising their business door to door. While I was very hesitant, I decided to give them a shot. I was very pleased.”
“I was also very impressed with the crew that did my roof. They were very friendly and very detailed in constructing my new roof I can't thank them enough.”
“Also Quality management Nicko and Project management ing Manuel were very good workers, they treat the rest of the crew with respect and professionalism.”
“If I had any issues or concerns they were immediately addresses. All of the workers were kind, and this was a great company to work with.”
“The final result was better than I expected and I have received numerous compliments on my new roof, a testament to the efficiency and skill of Occidental Roofing.”
“Not to mention insurance only wanted to give us a recoat but Bartosh fought for our roof to be rebuilt and paint our entire home.”
“Gustavo took care of all the insurance paperwork, which made everything so much easier on my end. He even used drone pictures to provide a clear and accurate assessment.”
“Very good experience good job 100% recomendation”
“excellent work and in a timely fashion”
“Gustavo handled all the work with insurance company and walked me through the entire process, he made it super simple. The entire team is detailed oriented and knowledgeable.”
“Gustavo was awesome, he handled all the paperwork, took care of all the insurance issues and made sure that they completely covered the replacement roof. Then his crew did a beautiful job.”
“I was very pleased to have a free inspection and frankly thought I would get a sales talk. He inspected my roof, showed me pictures of it from a drone and explained what a bad underlayment meant with pictures of one.”
“Working with Gustavo, who managed everything with the utmost professionalism, made the entire process smooth and stress-free. His attention to detail and clear communication were truly commendable.”
“Manuel was super helpful and made this process so easy. He helped me get in contract with financing and was quick to get me on the schedule.”
“Best roof repair I have ever had. I just did it for Hail damage, but they went above and beyond to get it perfect. They got everything through insurance so I only needed to verify.”
“Diego was a valuable asset when dealing with my insurance company and did most of that heavy lifting. His knowledge about the insurance process and talking to them directly was a relief!”
“My property was left very pristine when everything was done I didn't have to go behind them to do any cleaning up after them, they were awesome.”
“Great experience working with them. They went above and beyond. They were extremely helpful in working with our insurance and helping us navigate all of that.”
“They provided not only the profound knowledge and expertise but also the compassion and understanding they gave us when replacing our roof.”
“Mi casa ahora luce como nueva y el trabajo fue de gran calidad. Recomiendo totalmente a este equipo”
“Gus went above and beyond fully exceeding my expectations! Huge thank you to the entire crew for all your hard work.”
“Gustavo (Project Manager) was advertising their business door to door. While I was very hesitant, I decided to give them a shot. I was very pleased.”
“I was also very impressed with the crew that did my roof. They were very friendly and very detailed in constructing my new roof I can't thank them enough.”
“Also Quality management Nicko and Project management ing Manuel were very good workers, they treat the rest of the crew with respect and professionalism.”
“If I had any issues or concerns they were immediately addresses. All of the workers were kind, and this was a great company to work with.”
“The final result was better than I expected and I have received numerous compliments on my new roof, a testament to the efficiency and skill of Occidental Roofing.”
“Not to mention insurance only wanted to give us a recoat but Bartosh fought for our roof to be rebuilt and paint our entire home.”
“Gustavo took care of all the insurance paperwork, which made everything so much easier on my end. He even used drone pictures to provide a clear and accurate assessment.”
“Very good experience good job 100% recomendation”
“excellent work and in a timely fashion”
“Without a doubt we feel this company is the best. Gustavo worked with us to develop what needed to be done and oversaw the project. Nicko, the job foreman, oversaw every little detail of the replacement.”
“The team was fast, professional, and incredibly thorough. The repairs were done with great quality, and their communication and customer service was some of the best I've ever experienced.”
“Occidental Roofing does trustworthy work. They put me at ease in a stressful situation, worked well with my insurance company, and installed a great looking, sturdy roof.”
“He helped to get paid from my insurance company which denied my claim initially. He walked me through step by step what they would do, and the result is great.”
“He made sure to check on me and with me on every aspect of the process of replacing my roof. He was always there from early morning to early evening when the crew was finished for that day.”
“Diego Bartosh did an excellent job managing the various tasks, including gutter work and painting, associated with replacing the roofs on my house and garage.”
“The work was completed in a timely and extremely professional manner with Gus answering all my questions and addressing any concerns with both the actual work as well as the claims process.”
“I love my new roof and front porch entry. Gustavo paid great attention to details. Highly recommend the Occidental Team”
“Occidental Roofing took the time to understand my needs and preferences, and they were responsive to any questions or concerns I had throughout the process.”
“Class act all the way around. Reasonable pricing and great follow up on something minor. Will always be my go to roofing guys!!!!!”
“This company was great!!! They worked and replaced the roof on my parents house great workers and Diego was great to work with”
“We came across Occidental Roofers on a poster sign that was on the corner of our street. Called them and got the most compassionate, understanding, individual by the name of Gustavo who listened patiently to our problem.”
“Nicholas showed up on time, which is important to me, and did an excellent job, so I don't have to worry about any leaks. Their work came with a 2 year warranty on workmanship.”
“I also had to have solar panels removed and replaced and they did an awesome job as well. I am very pleased with everyone and very pleased with the outcome of the whole process of getting a new Roof.”
“Communication of the company and these two gentlemen specifically was top notch.”
“Trust, integrity, and professionalism go a long way for me when it comes to business. They go even further when it has to do with my family and home.”
“Not only were the shingles replaced and the flat roof rerolled and sealed, the entire roof was reskinned with plywood, the flat roof received a layer of fiberboard underlayment.”
“In 4 days everything was done. The guys were professional, cleaned up and left my house looking fantastic. Love the roof!”
“Had many leaks this last month it rained and wasn't really sure what to do. My friend referred me to this company and they sent out this gentleman named Gustavo who installed some tarps in the mean time.”
“Excelente experiencia con Occidental Roofing. Después de más de 20 años sin cambiar mi techo, estoy muy agradecido con Gustavo por guiarme en todo el proceso y agradecida por su apoyo.”
“Without a doubt we feel this company is the best. Gustavo worked with us to develop what needed to be done and oversaw the project. Nicko, the job foreman, oversaw every little detail of the replacement.”
“The team was fast, professional, and incredibly thorough. The repairs were done with great quality, and their communication and customer service was some of the best I've ever experienced.”
“Occidental Roofing does trustworthy work. They put me at ease in a stressful situation, worked well with my insurance company, and installed a great looking, sturdy roof.”
“He helped to get paid from my insurance company which denied my claim initially. He walked me through step by step what they would do, and the result is great.”
“He made sure to check on me and with me on every aspect of the process of replacing my roof. He was always there from early morning to early evening when the crew was finished for that day.”
“Diego Bartosh did an excellent job managing the various tasks, including gutter work and painting, associated with replacing the roofs on my house and garage.”
“The work was completed in a timely and extremely professional manner with Gus answering all my questions and addressing any concerns with both the actual work as well as the claims process.”
“I love my new roof and front porch entry. Gustavo paid great attention to details. Highly recommend the Occidental Team”
“Occidental Roofing took the time to understand my needs and preferences, and they were responsive to any questions or concerns I had throughout the process.”
“Class act all the way around. Reasonable pricing and great follow up on something minor. Will always be my go to roofing guys!!!!!”
“This company was great!!! They worked and replaced the roof on my parents house great workers and Diego was great to work with”
“We came across Occidental Roofers on a poster sign that was on the corner of our street. Called them and got the most compassionate, understanding, individual by the name of Gustavo who listened patiently to our problem.”
“Nicholas showed up on time, which is important to me, and did an excellent job, so I don't have to worry about any leaks. Their work came with a 2 year warranty on workmanship.”
“I also had to have solar panels removed and replaced and they did an awesome job as well. I am very pleased with everyone and very pleased with the outcome of the whole process of getting a new Roof.”
“Communication of the company and these two gentlemen specifically was top notch.”
“Trust, integrity, and professionalism go a long way for me when it comes to business. They go even further when it has to do with my family and home.”
“Not only were the shingles replaced and the flat roof rerolled and sealed, the entire roof was reskinned with plywood, the flat roof received a layer of fiberboard underlayment.”
“In 4 days everything was done. The guys were professional, cleaned up and left my house looking fantastic. Love the roof!”
“Had many leaks this last month it rained and wasn't really sure what to do. My friend referred me to this company and they sent out this gentleman named Gustavo who installed some tarps in the mean time.”
“Excelente experiencia con Occidental Roofing. Después de más de 20 años sin cambiar mi techo, estoy muy agradecido con Gustavo por guiarme en todo el proceso y agradecida por su apoyo.”
“They gave us a free roof inspection and documented (with pictures) of our roof and made repair suggestions. They gave us ample time (30 days) to make our final decision.”
“He fought for every penny owed me and I received it. I only had to pay my deductible and the insurance company paid more than $23,000 for my new roof.”
“Throughout the process, Gustavo and the contractors with Occidental Roofing was our advocate, kept me informed, promptly solved all problems encountered and completed the work thoroughly and meticulously.”
“The crew work ethic was amazing. They kept the job site very clean each day. When the solar system is reinstalled, Nicko will come back and replace any damaged tiles.”
“Nicko supervised the actual roof installation, and his attention to detail was fantastic. The crew worked efficiently and made sure every step of the process was handled with care.”
“Gustavo was wonderful to work with coordinating the project and with my insurance company. Diego was the lead and him and his team did a fantastic job and finished the work promptly.”
“Project management ing Diego Santana was always very active and helpful looking for the best solutions and the best price too. The crew work was responsible and kind too.”
“The professionalism starting from the project manager Diego, and to each worker that worked on my actual home was outstanding.”
“Stumbled across these guys and they were on top of it immediately. They did all the convincing to the insurance and repaired my roof to like-new after damage from storms.”
“They are super helpful, they made this process so easy to say the least. Their workers are all kind and profesional!”
“Quiero agradecer a Occidental Roofing por el exelente trabajo que hicieron en mi propiedad estoy mas que contento por el profecionalismo con Gustavo con el cual realizo el trabajo. Mis respetos.”
“From beginning to end he oversaw the job, handle all the paperwork, spoke with the insurance company, and proceeded with repairs that were needed. In additional to fixing our roof, they also repaired the water damage and repainted our ceiling.”
“I had an exceptional experience with Occidental Roofing, and I couldn't be more impressed. The final outcome speaks for itself—my roof looks absolutely stunning!”
“Occidental Roofing, LlC is a very good company, they follow up what they promised, from day one to the last day of the project.”
“So informative and now know my roof is good for at least 5 - 7 years. I would recommend anyone worried about their old roof to give them a call.”
“I counted over 30 business cards from roofing companies that solicited my business, but Diego stood out above the rest. Once I called him back, he was quick to set up an appointment and was punctual to our meeting.”
“His crew of roofers were remarkable and labored in triple-digit heat, taking off layers of roofs and putting on a new roof in four days.”
“I also really appreciate their follow-up inspections and commitment to keeping everything in top condition.”
“Gustavo was more than helpful through the whole process.”
“Best roofer in Pima and Santa Cruz county.”
“They gave us a free roof inspection and documented (with pictures) of our roof and made repair suggestions. They gave us ample time (30 days) to make our final decision.”
“He fought for every penny owed me and I received it. I only had to pay my deductible and the insurance company paid more than $23,000 for my new roof.”
“Throughout the process, Gustavo and the contractors with Occidental Roofing was our advocate, kept me informed, promptly solved all problems encountered and completed the work thoroughly and meticulously.”
“The crew work ethic was amazing. They kept the job site very clean each day. When the solar system is reinstalled, Nicko will come back and replace any damaged tiles.”
“Nicko supervised the actual roof installation, and his attention to detail was fantastic. The crew worked efficiently and made sure every step of the process was handled with care.”
“Gustavo was wonderful to work with coordinating the project and with my insurance company. Diego was the lead and him and his team did a fantastic job and finished the work promptly.”
“Project management ing Diego Santana was always very active and helpful looking for the best solutions and the best price too. The crew work was responsible and kind too.”
“The professionalism starting from the project manager Diego, and to each worker that worked on my actual home was outstanding.”
“Stumbled across these guys and they were on top of it immediately. They did all the convincing to the insurance and repaired my roof to like-new after damage from storms.”
“They are super helpful, they made this process so easy to say the least. Their workers are all kind and profesional!”
“Quiero agradecer a Occidental Roofing por el exelente trabajo que hicieron en mi propiedad estoy mas que contento por el profecionalismo con Gustavo con el cual realizo el trabajo. Mis respetos.”
“From beginning to end he oversaw the job, handle all the paperwork, spoke with the insurance company, and proceeded with repairs that were needed. In additional to fixing our roof, they also repaired the water damage and repainted our ceiling.”
“I had an exceptional experience with Occidental Roofing, and I couldn't be more impressed. The final outcome speaks for itself—my roof looks absolutely stunning!”
“Occidental Roofing, LlC is a very good company, they follow up what they promised, from day one to the last day of the project.”
“So informative and now know my roof is good for at least 5 - 7 years. I would recommend anyone worried about their old roof to give them a call.”
“I counted over 30 business cards from roofing companies that solicited my business, but Diego stood out above the rest. Once I called him back, he was quick to set up an appointment and was punctual to our meeting.”
“His crew of roofers were remarkable and labored in triple-digit heat, taking off layers of roofs and putting on a new roof in four days.”
“I also really appreciate their follow-up inspections and commitment to keeping everything in top condition.”
“Gustavo was more than helpful through the whole process.”
“Best roofer in Pima and Santa Cruz county.”
Five steps.No surprises.
Assessment
A HAAG-certified engineer inspects the roof and documents condition, remaining life, and options.
Servicelocations.
Specialists and crews dispatched daily across central and southern Arizona. Same operational standard in every market.
Schedule an assessment
Get a clear answer about your roof.
A HAAG Certified assessment and a fixed proposal, including when the correct answer is that it’s fine.