THE 10 BEST Slate Roofing Services in PORTLAND, OR
| Business Name | Key Services | Best For | Address | Hours | PS Rating |
|---|---|---|---|---|---|
| CC&L Roofing Co. | Slate, tile, metal, asphalt shingles, cedar shakes, roof repair & maintenance | Historic & specialty tile work | 3319 SE 92nd Ave, Portland, OR 97266 | Mon-Fri: 8:00 AM – 5:00 PM | 4.7/5 |
| Roof Life of Oregon | Slate installation, roof maintenance, moss removal, skylight installation | Comprehensive roof care & longevity | 11445 SW Tiedeman Ave, Tigard, OR 97223 | Mon-Thu: 8:00 AM – 5:00 PM, Fri: 8:00 AM – 4:30 PM | 4.6/5 |
| Interstate Roofing | Steep slope roofing, low slope roofing, gutters, attic insulation, slate | Large-scale roof projects | 15065 SW 74th Ave, Portland, OR 97224 | Mon-Fri: 7:00 AM – 5:00 PM | 4.8/5 |
| JBC Roofing LLC | Composition shingles, cedar shakes, metal, slate, flat roofs | Residential re-roofing | 12155 SW Grant Ave, Ste D, Portland, OR 97223 | Mon-Fri: 8:00 AM – 4:00 PM | 4.5/5 |
| Premier Pacific Roofing | DaVinci slate, composite roofing, metal roofing, roof repairs | Premium synthetic slate alternatives | 11220 SE Fuller Rd, Milwaukie, OR 97222 | Mon-Thu: 8:00 AM – 5:00 PM, Fri: 8:00 AM – 4:00 PM | 4.8/5 |
| Tony’s Roofing LLC | Roof repairs, replacements, cleaning, moss removal, skylight installation | Budget-friendly quality work | 4450 SE 125th Ave, Portland, OR 97236 | Mon-Sat: 7:00 AM – 5:00 PM | 4.7/5 |
| Black Diamond Roofing | Shingle, slate, tile, metal roofing, storm damage repair | Storm restoration services | 4745 Lancaster Dr NE, Salem, OR 97305 | Mon-Fri: 8:00 AM – 5:00 PM | 4.3/5 |
| NW Builders & Renovation | Roofing, decking, siding, roof repair, maintenance | Full-service home renovation | 3614 N Alaska Pl, Portland, OR 97217 | 24/7 Emergency Service | 4.2/5 |
| Cascade Roofing | Residential & commercial roofing, slate, composition shingles | Long-term reliability & warranties | 6950 SW Hampton St, Ste 240, Portland, OR 97223 | Mon-Fri: 8:00 AM – 9:00 PM | 4.6/5 |
| Interlock Metal Roofing | Metal slate profile, standing seam, aluminum roofing systems | Modern metal slate alternatives | 1355 NW Everett St, Portland, OR 97209 | Mon-Fri: 9:00 AM – 5:00 PM | 4.4/5 |
#1. CC&L Roofing Co. – Best for Historic & Specialty Tile Work
Key Highlights:
- Over 40 years of experience specializing in tile and slate roofing systems
- Known as “The Tile Roof Specialists” with expert craftsmen on staff
- Offers professional installation, maintenance, and complete repair services
CC&L Roofing Company has built an outstanding reputation as Portland’s premier tile roof specialist. Their team brings decades of experience working with slate, concrete tile, clay tile, and other premium roofing materials. What sets them apart is their ability to match existing roofs perfectly, which requires exceptional skill and craftsmanship.
Their slate roofing services include everything from small repairs to complete installations. The company is particularly skilled at working on historic homes where preserving the original character is essential. Customers consistently praise their friendly staff, attention to detail, and reasonable pricing. Whether you need a single slate tile replaced or a full roof installation, CC&L has the expertise to deliver outstanding results.
The company also excels at quick repairs. Many customers report same-day service for urgent leaks. Their warranty-backed work gives homeowners peace of mind knowing their investment is protected for years to come.
#2. Roof Life of Oregon – Best for Comprehensive Roof Care & Longevity
Key Highlights:
- 42 years of trusted service in the Portland area since 1983
- Specializes in slate roof maintenance programs that extend roof lifespan
- Offers 24-hour emergency leak response for warranty clients
Roof Life of Oregon understands that slate roofs are a major investment. That’s why they focus on helping your slate roof last as long as possible through regular maintenance and expert repairs. Their team knows that Portland’s wet climate requires special attention to prevent moss growth and water damage.
The company provides comprehensive slate roofing services including inspections, cleaning, repairs, and complete installations. They’re particularly known for their detailed video inspections that show homeowners exactly what’s happening on their roof. This transparency helps customers make informed decisions about repairs versus replacement.
Roof Life also offers real estate roof certifications, which can be valuable when buying or selling a home with a slate roof. Their maintenance programs are designed specifically for Portland’s climate, addressing moss removal and debris cleaning that slate roofs need. With decades of experience and a focus on customer education, Roof Life has earned its reputation as one of Portland’s most trusted roofing companies.
#3. Interstate Roofing – Best for Large-Scale Roof Projects
Key Highlights:
- Family-owned business serving Portland since 1988
- GAF Master Elite and CertainTeed Five Star contractor certifications
- Over 35 years of experience with residential and commercial projects
Interstate Roofing is one of Portland’s largest and most established roofing companies. Their size and experience make them ideal for handling complex slate roofing projects that require significant resources and expertise. They employ over 70 skilled professionals, many of whom have been with the company for more than 20 years.
The company specializes in both steep slope roofing (perfect for slate) and flat roofing systems. Their team has worked on everything from churches and medical complexes to warehouses and multi-family structures. This diverse experience means they can handle any challenge that comes up during a slate roof installation or repair.
Interstate is committed to environmental responsibility. They recycle metal and wood from all roof tearoffs. Customers appreciate their thorough inspection process and detailed proposals that explain all work clearly. Their workmanship warranties are among the best in Portland, and they’re known for standing behind their work long after the job is complete.
#4. JBC Roofing LLC – Best for Residential Re-Roofing
Key Highlights:
- 35 years in business since 1990 with consistent quality
- Specializes in residential roofing with experienced installers
- Uses SureNail technology for enhanced durability
JBC Roofing LLC has been serving Portland homeowners since 1990. They’ve built their reputation on dependable service and skilled workmanship. The company focuses primarily on residential projects, which means they understand the unique needs of homeowners and work to minimize disruption during roof replacement.
Their team has extensive experience with various roofing materials including composition shingles, cedar shakes, metal, and synthetic slates. While they work with all types of roofing, their expertise with specialty materials like slate makes them a great choice for Portland’s historic homes. They handle projects of all sizes efficiently.
JBC Roofing maintains an A+ rating with the Better Business Bureau. Customers consistently mention their reasonable pricing, quality materials, and professional crews. The company has been family-owned since its founding, which contributes to their personalized approach to customer service. They take the time to explain options and help homeowners make the best decision for their specific situation.
#5. Premier Pacific Roofing – Best for Premium Synthetic Slate Alternatives
Key Highlights:
- First Portland contractor to offer DaVinci synthetic slate installation
- Preferred Masterpiece DaVinci installer with 50-year product warranties
- 15 years of family-owned service with hundreds of 5-star reviews
Premier Pacific Roofing is Portland’s go-to specialist for DaVinci synthetic slate roofing. These advanced composite materials look just like natural slate but without the heavy weight or high maintenance. This makes them perfect for homeowners who want the elegant appearance of slate with modern durability.
The company was the first in Portland to offer DaVinci roofing installation and has the longest track record of success with these premium products. Their installers are specially trained and certified, which means they can offer the best warranties in the industry. DaVinci roofs are guaranteed to last 50 years or more with minimal maintenance.
Premier Pacific Roofing is family-owned and operated since 2009. They’re known for clear communication, detailed proposals, and exceptional customer service throughout every phase of your project. Their team includes GAF Factory-Certified and Owens Corning Preferred contractors. Whether you choose traditional slate or synthetic alternatives, they deliver outstanding craftsmanship that adds value and beauty to your home.
#6. Tony’s Roofing LLC – Best for Budget-Friendly Quality Work
Key Highlights:
- Over 30 years of roofing experience in the Portland area
- Family-owned business with honest, transparent pricing
- Known for completing projects quickly without sacrificing quality
Tony’s Roofing LLC proves that quality roofing doesn’t have to break the bank. This family-owned company has built a strong reputation for providing excellent service at competitive prices. They focus on residential roofing and have completed hundreds of successful projects across the Portland metro area.
The company is particularly known for their responsiveness and detailed estimates. When you contact Tony’s Roofing, you’ll work directly with experienced roofers (not salespeople), which helps keep costs down. Their team provides thorough inspections and honest recommendations. In some cases, they’ve even advised homeowners to wait a few years before replacing their roof, demonstrating their integrity.
Customers consistently praise Tony’s Roofing for their hardworking crews, attention to detail, and thorough cleanup. Many projects are completed in just one or two days. They offer free estimates and work with homeowners to find solutions that fit their budget. Their combination of affordability, quality, and customer service makes them an excellent choice for Portland homeowners.
#7. Black Diamond Roofing – Best for Storm Restoration Services
Key Highlights:
- Over 20 years of experience in the Pacific Northwest
- Specialized storm damage repairs and insurance claim assistance
- 24/7 emergency response for urgent roofing issues
Black Diamond Roofing understands that Portland’s weather can be tough on roofs. They specialize in storm damage restoration and emergency repairs, making them the company to call when disaster strikes. Their team is experienced in working with insurance companies to help homeowners navigate the claims process.
The company works with all major roofing materials including slate, tile, metal, and composition shingles. They have multiple locations serving Portland, Salem, Newport, and surrounding areas. This broad coverage means they can respond quickly to emergencies regardless of where you’re located in the metro area.
Black Diamond uses high-quality materials and proven installation methods to ensure lasting results. They provide free inspections and guide customers step by step through the repair or replacement process. Their crews are professional and respectful of your property. While they’re known for storm work, they also handle routine replacements and maintenance with the same level of expertise and care.
#8. NW Builders & Renovation – Best for Full-Service Home Renovation
Key Highlights:
- Over 10 years serving Portland with emphasis on roofing excellence
- GAF-certified contractors with comprehensive warranties
- Offers complete home renovation services beyond just roofing
NW Builders & Renovation is perfect for homeowners who need more than just a new roof. This full-service company handles roofing alongside siding, decks, bathrooms, and kitchen remodels. Their ability to manage multiple aspects of home improvement makes them ideal for comprehensive renovation projects.
The company’s roofing team includes GAF-certified professionals who are trained in the latest installation techniques. They work with various roofing types and can handle everything from simple repairs to complete replacements. Their crews are known for being professional, efficient, and respectful of homeowners’ properties.
NW Builders & Renovation offers 24/7 emergency service for urgent roofing problems. They provide detailed estimates and work closely with customers to ensure satisfaction. Project managers stay in touch throughout the entire process, providing updates and answering questions. Many customers appreciate the convenience of having one trusted company handle multiple home improvement needs at once.
#9. Cascade Roofing – Best for Long-Term Reliability & Warranties
Key Highlights:
- Family-owned company serving Portland since 1959
- 65 years of proven reliability and customer satisfaction
- Factory-trained certified master roofers with 20+ years of experience
Cascade Roofing is Portland’s longest-standing roofing company. Since 1959, they’ve been serving the Portland metro area from the same location in Tigard. This exceptional longevity demonstrates their commitment to quality work and customer satisfaction. When you hire Cascade, you’re working with a company that will be around to honor their warranties.
The company employs only highly skilled, factory-trained roofers. Many team members have been with Cascade for decades, which means your roof will be installed by experienced professionals who take pride in their work. They handle both residential and commercial projects with equal expertise.
Cascade Roofing is committed to sustainability and recycles more than 90 percent of debris from roof tearoffs. They offer comprehensive roofing services including new installations, replacements, and repairs. Their detailed inspection process ensures you get accurate information about your roof’s condition. Customers appreciate their professional approach, reasonable pricing, and the peace of mind that comes from working with such an established company.
#10. Interlock Metal Roofing – Best for Modern Metal Slate Alternatives
Key Highlights:
- Specialized in aluminum metal roofing with authentic slate appearance
- Lifetime warranty on roofing systems with minimal maintenance required
- Engineered specifically for Pacific Northwest weather conditions
Interlock Metal Roofing offers an innovative alternative to traditional slate. Their aluminum roofing systems are designed to look exactly like natural slate while providing superior durability and weather resistance. This makes them perfect for Portland homeowners who want the beauty of slate without the weight or maintenance concerns.
The company’s metal slate roofing is engineered to withstand hurricane-force winds, Class IV hail, and freeze-thaw cycles. Their Alunar coating system reflects heat, which can reduce cooling costs by up to 25 percent. These roofs are made from up to 95 percent recycled aluminum and are fully recyclable at end of life.
Interlock serves the entire Portland metro area and has decades of experience installing metal roofing systems. Their team includes certified Master installers who understand local building codes and climate challenges. The company offers financing options to make their premium products more accessible. With lifetime warranties and minimal maintenance requirements, Interlock provides excellent long-term value for homeowners seeking slate aesthetics with modern performance.
How Long Does a Slate Roof Last in Portland?
A properly installed slate roof in Portland can last 75 to 150 years depending on the quality of materials and maintenance. Natural slate is one of the longest-lasting roofing materials available. Hard slate varieties typically outlast soft slate and can easily reach or exceed 100 years with proper care.
Portland’s wet climate requires regular maintenance to maximize your slate roof’s lifespan. Moss and debris should be removed regularly to prevent moisture damage. Professional inspections every few years help catch small problems before they become expensive repairs. Many Portland homes built in the early 1900s still have their original slate roofs, proving how durable this material can be.
Synthetic slate alternatives like DaVinci products or metal slate systems offer similar longevity. These modern materials are guaranteed for 50 years or more and require even less maintenance than natural slate. They’re also lighter weight, which means less stress on your home’s structure. Regular inspections and prompt repairs will help any slate roof reach its maximum lifespan.
What Is the Average Cost of Slate Roofing in Portland?
The cost of slate roofing in Portland typically ranges from $20,000 to $60,000 for most homes. Natural slate installation costs between $15 to $30 per square foot depending on slate quality, roof complexity, and installation requirements. Synthetic slate alternatives like DaVinci or metal slate systems usually cost $12 to $20 per square foot.
Several factors affect the final price of your slate roof. Roof size is the most obvious factor, but roof pitch, complexity, and accessibility also matter. Steep roofs or those with multiple valleys, dormers, or skylights require more labor and materials. Structural reinforcement may be needed since slate is heavier than most roofing materials.
While slate roofing costs more upfront than asphalt shingles, the investment pays off over time. Slate roofs require minimal maintenance and last several times longer than standard roofing materials. Many homeowners find that the long-term value, energy efficiency, and enhanced curb appeal make slate worth the initial investment. Getting multiple quotes from experienced Portland slate roofers helps ensure you get fair pricing.
Do I Need Special Permits for Slate Roof Installation in Portland?
Yes, most slate roof installations in Portland require a building permit from the city. Any roof replacement or significant structural work needs proper permitting to ensure the work meets building codes and safety standards. Your roofing contractor should handle the permit application process as part of their service.
Portland building codes have specific requirements for roofing work. These include proper ventilation, fire resistance ratings, and structural support calculations (especially important for heavy slate). Inspectors verify that the work meets these standards before approving the permit. Reputable roofing companies are familiar with Portland’s requirements and include permit fees in their estimates.
Working without permits can create serious problems. Unpermitted work may void your homeowner’s insurance, create issues when selling your home, and result in fines from the city. Always verify that your contractor is licensed, bonded, and insured in Oregon. You can check contractor licenses through the Oregon Construction Contractors Board. Proper permitting protects you and ensures your slate roof is installed correctly and safely.