Ontario, CA's Trusted Roofers for Every Roof Need
Hey there, and welcome to the Ontario, CA Roofers directory! Whether you've got a leaky roof, a full replacement on the horizon, or you're just shopping around for quotes, we're glad you stopped by. Browse around, compare local pros, and find someone you feel good about hiring.
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Map of Businesses in Ontario
All Listings in Ontario
10 businesses
B & M Roofing
Roofing contractor
First Roofing
Roofing contractor
Ontario City Roofing LLC
Roofing contractor
Ontario Roofing and Gutter
Roofing contractor
Sandoval Roofing
Roofing contractor
Sunset Roofing Services
Roofing contractor
Ontario Roofing
Roofing contractor
Rocket Roofing
Roofing contractor
Kaliber Roofing Inc
Roofing contractor
Central Roofing Company Ontario
Roofing contractorAbout roofer in Ontario
Rain barely touches Ontario roofs. The sun does the damage. Months of Inland Empire heat bake asphalt shingles, dry out underlayment, and crack sealants long before a leak shows up on a ceiling.
That slow cooking drives most of the Roofers market here. Hail is rare and big wind events happen only occasionally. Demand comes from age: tract homes from the 1970s through the 1990s, newer stucco-and-tile builds in the south, and a huge stock of flat, low-slope warehouse roofs near the airport.
The market feels crowded and fragmented. Plenty of small, family-run crews work alongside larger regional outfits. Customers are a mix of long-time homeowners, sellers prepping for escrow, new-home owners fixing builder shortcuts, and commercial owners managing big flat roofs.
Ontario also differs from nearby coastal cities. Fire-rated roofing and "cool roof" energy requirements shape material choices, and the city's permit process applies to most full re-roofs.
Ontario Ranch (South Ontario)
- Area Profile: 📍 Newer master-planned communities, lots of young families, mostly newer-construction homes with HOAs.
- Roofers Activity: Mostly repairs, tile and flashing fixes, and solar-related roof work. Full re-roofs are still uncommon on the youngest homes.
- Price Range: Repairs typically run a few hundred to a few thousand dollars. Full tile re-roofs can land in the $20,000–$40,000+ range.
- Local Note: HOA architectural approval is common, so tile color and profile matter. Ask who handles that paperwork.
Euclid Avenue & Historic Downtown
- Area Profile: 📍 Older, tree-lined streets with character homes, a mix of long-time owners and renovators.
- Roofers Activity: Full re-roofs, decking repairs, and restoration-minded work on older homes.
- Price Range: Often $9,000–$25,000, depending on pitch, layers, and decking condition.
- Local Note: Older homes may hide rotted sheathing or multiple shingle layers. Get that possibility addressed in the written estimate.
North Ontario (near Mountain Avenue)
- Area Profile: 📍 Established middle-income neighborhoods near the Upland border, with mostly single-story ranch homes.
- Roofers Activity: Steady re-roof demand as 30-plus-year-old composition roofs wear out. Pre-sale inspections drive plenty of repairs.
- Price Range: Typically $8,000–$16,000 for asphalt shingle replacement.
- Local Note: Mountain views are lovely, but this edge of town can see stronger Santa Ana gusts that lift loose shingles.
📊 Current Price Points:
- Budget: roughly $300–$2,500 (leak patches, flashing, a few replaced tiles)
- Mid-range: roughly $8,000–$18,000 (full asphalt shingle re-roof, the most common segment)
- Premium: $20,000+ (concrete or clay tile, standing-seam metal, large or complex roofs)
📈 Market Trends:
- Demand looks steady, with older housing stock keeping re-roof work consistent.
- Material costs have been unpredictable, and quotes may carry short expiration windows.
- Pricing has tended to drift upward more than down, driven by labor and materials.
- Most jobs are dry-weather work. A typical shingle re-roof takes a few days; tile or complex jobs can stretch past a week.
💰 What People Are Spending:
- Leak repair and flashing: a few hundred to a few thousand dollars
- Full asphalt re-roof: about $8,000–$18,000
- Tile underlayment replacement or re-lay: often $15,000–$35,000
- Gutter and drainage add-ons: a few hundred to a few thousand
Economic Indicators:
- Ontario has been one of the Inland Empire's growth stories, with major residential development in the south.
- Ontario International Airport and the surrounding logistics sector anchor the local economy.
- Housing ranges from modest older tracts to newer, pricier master-planned areas.
Local Market Dynamics:
Heat and UV wear, aging roofs, and real-estate transactions drive demand more than storms do. Competition is fragmented. You'll find many small operators and a handful of larger names, so quality varies widely.
How This Affects Customers:
You have options, which is good. But it's also easy to mistake a low bid for a good deal. In a crowded field, the affordable quote often skips underlayment, flashing, or permits. Commercial owners and homeowners should both compare scope, not just totals.
Ontario Seasonal Patterns:
- ☀️ Spring/Summer: Peak install season. Dry weather means busy crews, but extreme heat days can slow work.
- 🍂 Fall: A good window before winter rains. Crews often have more flexibility.
- ❄️ Winter: Rain delays scheduling, and leak calls spike after storms. Roofers can be harder to book fast.
- 📅 Peak months: Act fast right after big rain events. Negotiate in shoulder seasons.
Timing Tips for Ontario:
Crew availability tightens right after major winter storms. Permits and inspections add days, so a full process from first call to final inspection usually runs a few weeks.
Smart Timing Tips:
- ✓ Book inspections in late summer or early fall, before rain season
- ✓ Don't wait for a leak. Small repairs cost far less than interior damage
- ✓ Get at least three written bids before making a decision
- ✓ If selling, schedule roof work before listing, not during escrow
Credentials to Verify:
- A valid California Contractors State License Board (CSLB) license. Roofing falls under the C-39 classification.
- Active workers' comp and liability insurance
- Manufacturer credentials like GAF Master Elite or Owens Corning Preferred Contractor
- Reviews on Google and Yelp that read as specific, not generic
Questions to Ask:
- How long have you worked in Ontario?
- Can you share local references?
- What's covered under workmanship versus manufacturer warranty?
⚠️ Red Flags Specific to Ontario Roofers:
- Door-knockers offering "storm damage specials" right after rain
- Demanding large payment upfront (California law limits down payments on home improvement contracts)
- No permanent local address, or only a P.O. box
- Pushing you to sign an insurance-claim assignment before an adjuster has inspected
Where to Check Complaints:
- CSLB's online license lookup, which shows status, bonds, and disciplinary history
- Better Business Bureau
- Google/Yelp, where patterns matter more than a single bad review
✓ Established presence in Ontario (not just passing through)
✓ Verifiable local reviews and references
✓ Transparent pricing, no hidden fees
✓ Clear process explained upfront
✓ Responsive communication
No CSLB license, or one that doesn't match the name on the contract
Refusal to provide proof of insurance
Verbal-only estimates
Pressure to sign the same day "before the price goes up"
Check Reviews & Ratings
We recommend verifying businesses through trusted review platforms before making a decision.
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