Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
After
Before
AfterRoofers in Ontario, CA
Roofers in Ontario, CA face a housing stock unlike anywhere else in the Inland Empire: tens of thousands of concrete and clay tile roofs installed during the 1980s-1990s building boom, now reaching the age where the #15 felt underlayment beneath those intact tiles has silently turned to powder after 30-40 years of 105°F+ summer heat cycling. We’re Birchbark Roofing, part of the Cedarwell family since 2000, and we coordinate dispatch and scheduling from our Inland Empire office while crews serve Ontario neighborhoods directly. Call (424) 766-4937 to schedule your free estimate, or read on to understand why Ontario’s tile-roof aging pattern changes everything about how we approach an inspection here.
Why Ontario Homes Are Different
Ontario’s residential story splits in two. Along Euclid Avenue and 4th Street, a smaller pre-WWII corridor holds 1920s-1940s bungalows and Craftsmans, some carrying aging wood shake or multiple layers of composition shingles. But the dominant stock, built during the Model Colony expansion and south-side subdivisions, is stucco tract homes from the 1980s and 1990s, almost universally topped with concrete or clay tile. The tile itself survives our punishing sun; the #15 felt underneath does not.
In the large 1990s subdivisions off Vineyard Avenue and throughout Creekside and Colony Park, we regularly hear the same report: a master bedroom ceiling stain with no visible tile damage anywhere on the roof. The culprit is underlayment that has degraded to dust after three decades of thermal expansion and contraction in 100-110°F summer highs. This is a conversation almost unique to Ontario’s specific housing vintage and Inland Empire climate. Periodic Santa Ana wind events add another layer, peeling up aging or improperly fastened tile and flashing across the city.
The local building department requires permits for full roof replacements and most structural repairs, with inspections timed to specific project phases. Many Ontario neighborhoods also carry HOA guidelines on tile color matching and material approvals, particularly in the newer south-side developments.
Our Main Ontario Services
Most calls we receive from Ontario homeowners fall into three categories: ongoing maintenance and general roofing work, targeted repairs for active leaks or wind damage, and full replacement when the underlayment failure pattern or age makes repair uneconomical. Each has its own dedicated Ontario page with deeper detail.
Roofing Company in Ontario
Our general roofing work in Ontario centers on the inspection and maintenance challenges this city’s tile-roof inventory creates. We use moisture meters and selective tile lifts to assess underlayment condition without unnecessary removal, and we coordinate with homeowners on access timing, especially when kids or pets need to stay inside during the visit. Every appointment includes shoe covers at the door, drop cloths through hallways, and a photo of the completed clean-up before we leave. Roofing Company in Ontario
Roof Repair in Ontario
Roof repair in Ontario often means addressing the “mystery leak” pattern: tile that looks perfect from the street but hides powdered underlayment beneath. We also handle wind-lifted tile from Santa Ana events, degraded flashings at valley and wall junctions, and cracked concrete tiles in the hottest exposure zones. Our written price in dollars comes before any work starts, and our 365-Day Done Right Promise covers every repair we perform. Roof Repair in Ontario
Roof Replacement in Ontario
When Ontario’s 30-40 year tile roofs need full replacement, the job is really a tear-off and re-underlayment with new tile or upgraded material. We work with Atlas, Tamko, and GAF products where homeowners choose to shift to composition, and we handle permit pulls and inspection scheduling with Ontario’s building department. The Cedarwell Care Promise means background-checked, uniformed technicians, pet-safe product choices where available, and that clean-up photo before departure. Roof Replacement in Ontario
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Ontario
We install and repair roofs using materials from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, and we stock common underlayment, flashing, and fastener components for Ontario’s dominant tile and composition profiles locally. Most brand-specific repairs in Ontario run on standard lead times without special-order delays. See our brands for full details.
Pricing for Roofers in Ontario, CA
| Service | Typical range in Ontario |
|---|---|
| Tile roof underlayment replacement (full tear-off) | $8,500 - $18,000 |
| Concrete tile repair (localized, under 100 sq ft) | $450 - $950 |
| Clay tile repair (localized, under 100 sq ft) | $550 - $1,100 |
| Composition shingle repair (localized leak) | $350 - $750 |
| Valley flashing replacement | $800 - $1,800 |
| Pipe boot / vent flashing replacement | $200 - $450 |
| Skylight reflash and reseal | $400 - $850 |
| Full composition roof replacement (2,000 sq ft) | $12,000 - $22,000 |
| Chimney cricket and flashing rebuild | $1,200 - $2,500 |
| Emergency tarp and temporary seal | $250 - $550 |
What pushes Ontario prices toward the higher end: multiple layers of old roofing to remove, steep pitches common in 1990s tract designs, and the labor-intensive tile-by-tile salvage process when homeowners want to reuse original clay or concrete tiles. You’ll see your exact number in writing before any work starts, with fixed pricing and no change orders.
Neighborhoods We Serve in Ontario
Our crews work across Ontario’s full residential footprint, from the historic corridor near Euclid Avenue through the Model Colony subdivisions and south-side developments. Most Ontario appointments are scheduled within a few business days, with emergency tarping available when active leaks threaten interior damage.
- Creekside
- Colony Park
- Model Colony
- Vineyard Avenue corridor
- Downtown Ontario historic district
Service Area – Cities Near Ontario
Birchbark Roofing serves Ontario homeowners directly and extends coverage to neighboring communities throughout the western Inland Empire. We regularly schedule work in Montclair, CA, Claremont, CA, Upland, CA, and Rancho Cucamonga, CA, with dispatch coordinated from our Inland Empire office to keep response times short across the region.
Serving Ontario, CA - Our Local Coverage Area
We’re based in the Ontario area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Roofers in Ontario
Most non-emergency appointments in Ontario are scheduled within two to four business days. Emergency tarping for active leaks is typically same-day or next-day. A live person answers our phones 24 hours a day, including nights and weekends, so you can call (424) 766-4937 anytime to check availability.
Ontario’s building department requires permits for full roof replacements and most structural repairs, but simple leak repairs and maintenance typically do not need permitting. We pull all required permits as part of the job, schedule inspections at the proper phases, and pass all fees through at cost with no markup. Call (424) 766-4937 if you’re unsure whether your specific repair needs a permit.
Many Ontario neighborhoods, especially the newer south-side subdivisions and gated communities, require HOA approval for material type, color, and sometimes contractor selection. We provide the product samples, manufacturer data sheets, and written scope documentation most Ontario HOAs require, and we build approval time into the schedule before work begins. Call (424) 766-4937 and we’ll walk through your HOA’s specific requirements during the estimate.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Ontario Customers Say
"Roof repair after a leak. What won me over was the cleanup, they ground sheeted the flower beds so no debris fell in, and they ran a magnet over the whole yard for nails. Careful crew."
- Gordon Fiske"They repaired some lifted shingles and were so neat about it. Covered the deck, cleaned the gutters of debris when they were done, and checked the yard twice for nails. Kids play out there so that mattered."
- Lena Hargrove"Roof repair and they were meticulous about the cleanup, tarps over the garden beds and a magnet sweep for nails. We have a dog and a toddler so that mattered a lot."
- Thaddeus Bloom