Ontario, CA 91761 | 91762 | 91764 | 91758
Roofing Contractor in Ontario, CA
Copp Roofing & Construction serves homeowners and businesses throughout Ontario, from the historic bungalows along the Euclid Avenue corridor and Old Town to the new construction of Ontario Ranch. We provide roof inspections, roof repairs, roof replacements, commercial and low-slope roofing, and exterior construction designed for Ontario's heat, wind, and unusually wide mix of building types.
Call Today! (909) 336-4074Trusted Roofing Contractor Serving Ontario
Ontario is one of the most architecturally varied cities in the Inland Empire, and that variety is the defining roofing challenge here. A single contractor working this city might handle a 1920s Craftsman bungalow near Euclid Avenue in the morning and a low-slope commercial roof in the logistics corridor that afternoon.
The older neighborhoods around Old Town and the Euclid corridor include homes approaching or exceeding a century of age. Many carry multiple layers of roofing accumulated over decades, original framing that was never designed for modern loads, and flashing details that have been patched repeatedly rather than rebuilt.
At the other end of the city, Ontario Ranch represents some of the newest large-scale residential construction in the region. Those homes are largely tile, and while they are far from needing replacement, they benefit meaningfully from inspection and preventative maintenance, particularly after wind events.
Ontario is also a major logistics and warehouse hub, which means a substantial amount of low-slope and flat commercial roofing. Copp Roofing & Construction has provided commercial roofing, coatings, and maintenance since 1996, and we work both sides of this market.
Century-Old Housing Stock
Neighborhoods near Old Town and Euclid Avenue contain homes from the early 1900s through the 1940s. Layered roofing, aging framing, and decades of patched flashing are common, and a proper inspection often reveals more beneath the surface than above it.
Low-Slope & Commercial Roofing
Ontario's warehouse, distribution, and retail corridors mean a large volume of flat and low-slope roofing. Ponding, seam failure, and UV degradation of membranes are ongoing concerns, and roof coatings can often extend service life significantly.
New Construction in Ontario Ranch
The Ontario Ranch and New Model Colony areas represent some of the newest housing in the Inland Empire. These tile roofs are not near replacement, but wind-displaced tile and unaddressed flashing detail issues are worth catching early.
Roofing Services in Ontario
Roof inspections, roof repairs, roof replacements, roof maintenance, low-slope roofing, and commercial roofing throughout Ontario, including Old Town, the Euclid Avenue corridor, Ontario Ranch, and the surrounding industrial and retail districts.
ROOF INSPECTIONS
Whether you're buying a home, recovering from a storm, or simply keeping up with routine maintenance, a professional roof inspection identifies problems before they turn into expensive repairs. Our team evaluates the condition of your roofing system, documents signs of wear, and provides honest recommendations based on your roof's age, materials, and Ontario's triple-digit summer heat, sustained UV exposure, and seasonal wind.
ROOF REPAIR
Not every damaged roof needs to be replaced. If your Ontario roof has a leak, missing shingles or tiles, damaged flashing, or signs of storm damage, we determine whether a repair is the best long-term solution. Our goal is always to extend the life of your existing roof whenever that makes sense.
ROOF REPLACEMENT
When repairs are no longer the most cost-effective option, a roof replacement provides lasting protection and peace of mind. We install roofing and low-slope systems matched to Ontario's residential and commercial building stock, helping you choose the right system for your home, your budget, and the way summer heat, Santa Ana wind events, and winter rain affect roofs in Ontario.
ROOF MAINTENANCE
Routine maintenance is one of the most effective ways to maximize the life of your roof. Regular inspections catch small issues before they become major repairs, which matters especially in Ontario where Ontario's triple-digit summer heat, sustained UV exposure, and seasonal wind work against a roofing system year after year.
RE-ROOFING
In some cases, re-roofing is a cost-effective alternative to a complete replacement. During your inspection we determine whether your existing roof qualifies and explain the advantages and limitations of each option, so you can make an informed decision rather than a rushed one.
COMMERCIAL ROOFING
From office buildings and retail centers to industrial facilities and multifamily properties, Copp Roofing & Construction provides commercial roofing solutions tailored to your building. We help property owners in Ontario protect their investment through inspections, repairs, maintenance, roof coatings, and complete replacements.
Exterior Construction Services
Planning more than just a new roof? Copp Roofing & Construction also provides siding, decking, stairs and railings, exterior painting, and other exterior construction services, making it easy to complete your Ontario home improvement project with one experienced team.
SIDING
Your siding protects your home from moisture, heat, and everyday wear while contributing to curb appeal and energy efficiency. Whether you're replacing damaged siding or updating your exterior, we install quality products built for long-term performance in Ontario's climate.
EXTERIOR PAINTING
A quality exterior paint job does more than improve appearance. It adds a layer of protection against UV exposure, moisture, and the elements while helping preserve the life of your siding, trim, and other exterior materials.
DECK CONSTRUCTION & REPAIRS
Whether you're replacing an aging deck or building a new outdoor living space, we build durable, functional decks designed to complement your home and stand up to years of use. We work with materials that balance appearance, durability, and low maintenance.
STAIRS & RAILINGS
Safe, well-built stairs and railings are an important part of your home's exterior. We repair and build stair systems and railings that improve accessibility, enhance curb appeal, and meet current building standards.
Why Ontario Homeowners Choose Copp Roofing & Construction
Your roof is one of the most important investments in your home, and choosing the right contractor matters. Since 1996, Copp Roofing & Construction has helped homeowners throughout Southern California protect their homes with quality craftsmanship, honest recommendations, and dependable service. In Ontario, that means understanding Ontario's triple-digit summer heat, sustained UV exposure, and seasonal wind before we ever put a number on paper.
Contact UsWhy homeowners choose Copp:
- Family-owned and operated since 1996
- Licensed, bonded, and insured (CSLB #806485)
- Residential and commercial expertise
- Premium roofing materials from trusted manufacturers
- Free roof inspections and detailed estimates
- Financing options available
- Roofing, siding, decking, painting, and exterior construction under one roof
- Honest recommendations without high-pressure sales
Roofing Challenges Unique to Ontario Homes
HEAT & UV EXPOSURE
Ontario summers regularly push past 100°F, and sustained UV exposure degrades underlayment, sealants, membranes, and flashing well before the visible roof surface looks worn.
On low-slope commercial roofs, UV breakdown of the membrane surface is often the first stage of a failure that shows up years later as a seam or ponding problem.
AGING ROOFS ON HISTORIC HOMES
Homes in Old Town and along the Euclid corridor date to the early 1900s. Many have been re-roofed several times without a tear-off, leaving multiple layers, added weight, and buried decking damage.
Original chimneys, dormers, and roof-to-wall transitions on these homes were rarely flashed to modern standards and are the most common source of leaks.
LOW-SLOPE & FLAT ROOF PONDING
Ontario's commercial and industrial buildings carry large low-slope roof areas where drainage is everything. Ponding water accelerates membrane breakdown, stresses seams, and adds load the structure was not meant to carry indefinitely.
Drain condition, slope, and seam integrity are the first things we evaluate on any commercial inspection.
SANTA ANA WIND DAMAGE
Seasonal wind events lift shingles, displace tile, damage ridge caps, and tear at edge metal and flashing. On low-slope roofs, wind uplift at perimeters and corners is a recurring point of failure.
Damage often is not visible from the ground, which makes a post-event inspection worthwhile before the rainy season.
A CITY OF TWO BUILDING ERAS
Ontario spans century-old bungalows and brand-new tile tract construction, sometimes within a few miles of each other. The right roofing recommendation for one is frequently wrong for the other.
Every inspection begins with the age of the structure, the existing system, and how long you intend to own the property, rather than a standard recommendation applied everywhere.
COPP ROOFING & CONSTRUCTION SERVICES
Explore our professional roofing services, including roof replacement, roof repair, re-roofing, roof inspections, and commercial roofing.
READY TO GET STARTED?
Schedule Your Free Roof Inspection
Whether you're dealing with a roof leak, storm damage, aging roofing materials, or planning a complete exterior renovation, Copp Roofing & Construction is here to help.
Schedule your free roof inspection today, and let our experienced team provide honest recommendations and quality workmanship you can count on.
Frequently Asked Questions
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Most homeowners should schedule a professional roof inspection every one to two years, as well as after major windstorms or severe weather. Regular inspections help identify small issues before they become expensive repairs.
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It depends on the age of your roof, the extent of the damage, and the overall condition of the roofing system. During your inspection, we'll explain whether a repair is likely to solve the problem or if replacing the roof will provide better long-term value.
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The best roofing material depends on your home's architecture, budget, and long-term goals. Asphalt shingles, concrete tile, clay tile, and metal roofing all perform well when installed correctly and matched to the home's needs.
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Roof replacement cost in Lake Arrowhead depends on the size and pitch of your roof, the material you choose (composition shingle, tile, or metal), tear-off needs, and the condition of the roof deck underneath. Every project starts with a free inspection and a detailed, line-item estimate. Flexible financing, including no-money-down and no-interest plans, is also available to make budgeting easier.
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Absolutely. In addition to roofing, we provide siding, decking, exterior painting, stairs and railings, solar, and other exterior construction services. Many homeowners choose to complete multiple projects together to improve efficiency and save time.
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Yes. We provide commercial roofing services for office buildings, retail centers, industrial facilities, multifamily properties, HOAs, and other commercial buildings throughout Highland and the surrounding Inland Empire.
Proudly Serving Lake Arrowhead & Nearby Communities
Copp Roofing & Construction proudly serves homeowners and businesses throughout Lake Arrowhead, including Blue Jay, Cedar Glen, Arrowhead Woods, and neighborhoods surrounding Lake Arrowhead Village. We also provide roofing and exterior construction services in Twin Peaks, Rimforest, Crestline, Running Springs, Skyforest, and surrounding San Bernardino Mountain communities.
LOCATIONS COPP ROOFING & CONSTRUCTION SERVES
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Big Bear Lake, Lake Arrowhead, Crestline, Running Springs, Wrightwood
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Rancho Cucamonga, Ontario, Fontana, Riverside, Corona, Redlands, Chino Hills
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Palm Springs, Palm Desert, Rancho Mirage, Indio, La Quinta, Cathedral City
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Pasadena, Glendale, Burbank, Torrance, Long Beach, San Gabriel Valley cities
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Anaheim, Irvine, Huntington Beach, Newport Beach, Fullerton, Mission Viejo
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San Diego, Chula Vista, Oceanside, El Cajon, Escondido, Encinitas
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Victorville, Hesperia, Apple Valley, Lancaster, Palmdale
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Temecula, Murrieta, Menifee, Lake Elsinore
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Santa Barbara, Ventura, Oxnard, Thousand Oaks