Overview
About Us
Cal-Pac Roofing, a local roofing company based in San Mateo, offers installation of a full line of roofing products. Since 1978, Cal-Pac has installed all styles such as shake, shingle, tile, low slope and flat roofs. Cal-Pac utilizes only premium products that are fully warranted. Rain Gutter installation is also available. Visit the custom showroom in San Mateo and review the many available types of roofing available for residential and commercial customers.
Customer Reviews
"Customer asked us not to share his/her review."
"Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "TIMELINESS OF WORK PERFORMED"
- "Good thorough job!"
- "Customer asked us not to share his/her review."
- "Professional and Knowledgeable Contractor"
- "Customer asked us not to share his/her review."
- "CALPAC ROOFING DID"
- "Customer asked us not to share his/her review."
- "Are professional and perform excellent work and use quality materials"
- "warranty"
- "Customer asked us not to share his/her review."
- "did a great job."
- "didnt tell me they couldnt apply permit for my roof before started taking old roof down and they promised me to give $100 to the friend referred them to us but my friend has not got th money yet"
- "Had a highly skilled workforce, explained my options & are honest"
- "Customer asked us not to share his/her review."
- "did a fantastic job!!"
- "are reputable."
- "keep up the good work"
- "Customer asked us not to share his/her review."
- "will be satisfied"
- "are very experienced and their workers and formaen are well trained and courteous"
- "Customer asked us not to share his/her review."
- "care about customer and care about quality of work they are simply the best"
- "Did an excellent job which I believe will finally solve all my leak problems. There were basic structural flaws in my roof which they described and solved."
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "explained the estimate thoroughly and is very customer-service focused."
- "would treat everyone the same also good price and service"
- "Customer asked us not to share his/her review."
- "performed service as scheduled work with homeowners and responded to homeowners needs and calls immediatly"
- "Customer asked us not to share his/her review."
- "DID AN OUTSTANDING JOB"
- "Customer asked us not to share his/her review."
- "PROVIDE A QUALITY PRODUCT"
- "were very professional, did a great job installing, and cleaned up so that I didn't even know they had been there."
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "HAVE FAIR PRICES, GIVE DETAILS OF WHAT TO EXPECT DURING INSTALLATION. SUPERVISORS KEEPS IN TOUCH"
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "make a good product"
- "are very knowable with the job they doing I'm very pleased with the job they are done for me"
- "Customer asked us not to share his/her review."
- "are better then previous roofers that I have used"
Awards & Certifications
Installation Excellence Award
This award is for contractors that consistently install with a very high level of quality and provide their customers the highest protection that GAF offers.
President's Club
This award is given to the best of the best contractors that have distinguished themselves by meeting stringent requirements in the categories of Performance, Reliability, or Service.
Consumer Protection Excellence Award
This award recognizes those contractors that best protect their clients with system selling and enhanced warranties.
Training Excellence Award
This award is for contractors that are committed to training and continuous improvement.
Installed Roofs Near You
Find Other Roofing Contractors Nearby
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- San Carlos Roofing
- Millbrae Roofing
- Redwood City Roofing
- San Francisco Intnl Airport Roofing
- San Bruno Roofing
- Emerald Hills Roofing
- Palomar Park Roofing
- Woodside Roofing
- South San Francis Roofing
- S San Fran Roofing
- South San Francisco Roofing
- Half Moon Bay Roofing
- Princeton By The Sea Roofing
GAF Awards & Certifications
Residential Contractors
Commercial Contractors
Awards
Master Elite®
A mark of roofing excellence. Only 2% of roofers in North America are invited to become GAF Master Elite® Contractors. It can’t be bought. It can only be earned.*
Get peace of mind with a Master Elite® Contractor Contractor
At GAF, we train and test thousands of the best roofers in the country and make sure they're appropriately licensed and insured so they can offer our best warranties.
This certification requires a minimum of 7 years of experience, is renewed yearly and requires the contractor to be:
Properly insured & licensed:
For your protection, so you can rest easy knowing you're covered
- $1M+ Liability Insurance
- Worker's Compensation Insurance
- State licensed where required and applicable
Reputable & trustworthy:
With a track record of providing quality roofing services in your community
- Good standing with the Better Business Bureau
- Good credit rating per Experian
Highly qualified:
Up to date on the latest technology and practices, ensuring expert installation
- GAF trained and certified
- High property owner job satisfaction ratings
- Able to offer the strongest GAF warranties
Your connection to stronger GAF warranties
The GAF Shingle & Accessory Limited Warranty provides a Lifetime limited warranty term and 10-year 100% coverage period during which GAF will provide both installation labor costs and replacement GAF products necessary to repair your roof due to a manufacturing defect for 10 years.
A GAF Master Elite® Contractor can also offer the GAF System Plus Limited Warranty, increasing your Smart Choice® Protection Period from 10 to 50 years and including tear off.
| Non-certified Contractor | Certified Contractor | Master Elite Contractor | |
| GAF Shingle & Accessory Limited Warranty | ✓ | ✓ | ✓ |
| WindProven™ GAF Roofing System Limited Warranty | ✓ | ✓ | ✓ |
| GAF System Plus Limited Warranty | - | ✓ | ✓ |
| GAF Silver Pledge™ Limited Warranty | - | - | ✓ |
| GAF Golden Pledge® Limited Warranty | - | - | ✓ |
*Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses. Contractors may receive benefits, such as loyalty rewards points and discounts on marketing tools from GAF for participating in the program and offering GAF enhanced warranties, which require the use of a minimum amount of GAF products. Your dealings with a Contractor, and any services they provide to you, are subject to the Contractor Terms of Use.
Certified™
Only 7% of roofers in North America are invited to become GAF Certified™ Contractors. It can’t be bought. It can only be earned.*
Get peace of mind with a Certified™ Contractor
At GAF, we train and test thousands of the best roofers in the country and make sure they're appropriately licensed and insured so they can offer our best warranties.
This certification requires a minimum of 3 years of experience, is renewed yearly and requires the contractor to be:
Properly insured & licensed:
For your protection, so you can rest easy knowing you're covered
- $1M+ Liability Insurance
- Worker's Compensation Insurance
- State licensed where required and applicable
Reputable & trustworthy:
With a track record of providing quality roofing services in your community
- Good standing with the Better Business Bureau
- Good credit rating per Experian
Highly qualified:
Up to date on the latest technology and practices, ensuring expert installation
- GAF trained and certified
- High property owner job satisfaction ratings
- Able to offer the strongest GAF warranties
Your connection to stronger GAF warranties
The GAF Shingle & Accessory Limited Warranty provides a Lifetime limited warranty term and 10-year 100% coverage period during which GAF will provide both installation labor costs and replacement GAF products necessary to repair your roof due to a manufacturing defect for 10 years.
A GAF Certified™ Contractor can also offer the GAF System Plus Limited Warranty, increasing your Smart Choice® Protection Period from 10 to 50 years and including tear off.
| Non-certified Contractor | Certified Contractor | Master Elite Contractor | |
| GAF Shingle & Accessory Limited Warranty | ✓ | ✓ | ✓ |
| WindProven™ GAF Roofing System Limited Warranty | ✓ | ✓ | ✓ |
| GAF System Plus Limited Warranty | - | ✓ | ✓ |
| GAF Silver Pledge™ Limited Warranty | - | - | ✓ |
| GAF Golden Pledge® Limited Warranty | - | - | ✓ |
*Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses. Contractors may receive benefits, such as loyalty rewards points and discounts on marketing tools from GAF for participating in the program and offering GAF enhanced warranties, which require the use of a minimum amount of GAF products. Your dealings with a Contractor, and any services they provide to you, are subject to the Contractor Terms of Use.
Master Select™
Get assurance that you’ll be dealing with a quality, reputable and dependable professional when you choose a GAF Master Select™ Contractor.
GAF Master Select™ Contractors must have a minimum of 5 years of experience are required to be:
Properly insured & licensed:
For your protection, so you can rest easy knowing you're covered
- $1M+ Liability Insurance
- Worker's Compensation Insurance
- State licensed where required and applicable
Reputable & trustworthy:
With a track record of providing quality roofing services in your community
- Good standing with the Better Business Bureau
- Good credit rating per Experian
Highly qualified:
Up to date on the latest technology and practices, ensuring expert installation
- GAF trained and certified
- Able to offer enhanced GAF commercial warranties and guarantees
GAF Master Select™ Contractors are your connection to the strongest GAF commercial guarantees and warranties
| Non-GAF Contractors | GAF Master Contractor | Master Select™ Contractor | |
| Standard Limited Product Warranty | ✓ | ✓ | ✓ |
| Weather Stopper© Integrated System Limited Warranty | - | ✓ | ✓ |
| System Pledge™ Limited Warranty | - | ✓ | ✓ |
| Emerald Pledge™ Limited Warranty | - | ✓ | ✓ |
| Diamond Pledge™ NDL Roof Guarantee | - | 30 year maximum term No Dollar Limit Guarantees (NDL) | 35 year maximum term No Dollar Limit Guarantees (NDL) |
*Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses. Contractors may receive benefits, such as loyalty rewards points and discounts on marketing tools from GAF for participating in the program and offering GAF enhanced warranties, which require the use of a minimum amount of GAF products. Your dealings with a Contractor, and any services they provide to you, are subject to the Contractor Terms of Use.
Master
Get assurance that you’ll be dealing with a quality, reputable and dependable professional when you choose a GAF Master Contractor.
GAF Master Select™ Contractors must have a minimum of 5 years of experience are required to be:
Properly insured & licensed:
For your protection, so you can rest easy knowing you're covered
- $1M+ Liability Insurance
- Worker's Compensation Insurance
- State licensed where required and applicable
Reputable & trustworthy:
With a track record of providing quality roofing services in your community
- Good standing with the Better Business Bureau
- Good credit rating per Experian
Highly qualified:
Up to date on the latest technology and practices, ensuring expert installation
- GAF trained and certified
- Able to offer enhanced GAF commercial warranties and guarantees
GAF Master Contractors are your connection to the strongest GAF commercial guarantees and warranties
| Non-GAF Contractors | GAF Master Contractor | Master Select™ Contractor | |
| Standard Limited Product Warranty | ✓ | ✓ | ✓ |
| Weather Stopper© Integrated System Limited Warranty | - | ✓ | ✓ |
| System Pledge™ Limited Warranty | - | ✓ | ✓ |
| Emerald Pledge™ Limited Warranty | - | ✓ | ✓ |
| Diamond Pledge™ NDL Roof Guarantee | - | 30 year maximum term No Dollar Limit Guarantees (NDL) | 35 year maximum term No Dollar Limit Guarantees (NDL) |
*Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses. Contractors may receive benefits, such as loyalty rewards points and discounts on marketing tools from GAF for participating in the program and offering GAF enhanced warranties, which require the use of a minimum amount of GAF products. Your dealings with a Contractor, and any services they provide to you, are subject to the Contractor Terms of Use.
Premium Coating Systems
Contractors with Premium Coating Systems certification focus on coatings and liquid membranes, and have a proven track record specifically with these products. Their training and project performance with GAF have enabled them to qualify for this distinct designation.
Premium Coating Systems certification requires proper insurance and licensing, a strong reputation for quality, and a commitment to understanding the latest technology and installation methods.
Contractors with GAF Premium Coating Systems certification are also your connection to the strongest GAF commercial guarantees and warranties for this product category
President's Club Award
These contractors represent the best of the best of our Master Elite®, Master Select™, and Premium Coating Systems Contractors.
They have distinguished themselves by meeting stringent requirements in the categories of Performance, Reliability, or Service.