Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across Rancho Cucamonga
Roof repair in Rancho Cucamonga usually costs between $350 and $2,800 depending on whether you’re dealing with a few lifted tiles or rotted decking and failed underlayment. Most repairs on Rancho Cucamonga homes take one to two days once we’re on the roof. We work across 91701, 91730, 91737, and 91739, and our crews know the difference between a flat-grid tract home off Haven Avenue and a foothill-edge house in 91737. If you’ve got a leak, a lifted ridge cap after the last Santa Ana wind event, or a ceiling stain that showed up without any visible tile damage, call us at (866) 321-6172 and we’ll get you on the schedule.
Why Van Nuys Roofing Co Is Rancho Cucamonga’s Preferred Roof Repair Company
We’ve spent enough time on Rancho Cucamonga rooftops to know what other roofers miss. The homes off Baseline and Foothill in the older 91701 and 91730 tracts were mostly built between the 1970s and 1990s, and their concrete tile roofs almost always fail from underneath first. Homeowners call us for a “simple leak” and we find cracked underlayment that’s been baked by twenty-five years of inland heat. That’s why our Roof Repair team starts every job by pulling tiles to check the underlayment, not just replacing the broken piece and hoping for the best.
We’re not a single-brand shop trying to steer you toward whatever shingle we have sitting in the warehouse. We work across seven major manufacturers, including GAF, CertainTeed, and Owens Corning, so our recommendation comes from what your roof actually needs and what your budget can handle. Homeowners in Rancho Cucamonga call us because we inspect first, recommend second. Rick Dominguez runs the crew with a simple rule: tell the homeowner the truth about their roof, even when the truth is “you’ve got a few more years, don’t spend the money yet.”
We serve all of Rancho Cucamonga with the same standard: written line-item quotes, permits pulled when required, and no change to the scope without your written approval. If a repair uncovers hidden damage, we walk you through it on the roof, show you what we found, and price the fix before we touch another inch.
Styles & brands we work with
Metal Roof Repair in Rancho Cucamonga
Metal Roof Repair in Rancho Cucamonga usually means fixing a standing-seam panel that’s been creased by wind, replacing exposed fasteners and neoprene washers that have cooked in the Inland Empire sun, or re-securing a panel that’s lifted along the eave during a Santa Ana wind event. Most metal roof repairs in Rancho Cucamonga run $450 to $1,800 for a localized fix, with the higher end covering seam rework and panel replacement on foothill homes in 91737 and 91739 where wind exposure is more aggressive.
Standing seam and panel wind damage
Metal roofs on foothill-edge homes in Rancho Cucamonga catch the wind coming off the Cajon Pass differently than a flat-grid tract home. When a panel lifts, it’s rarely just the one panel. We check the fastening pattern along the whole eave line and re-secure everything that’s loose, including the cleats and clips you can’t see from the roofline. A wind-damaged metal panel left unaddressed will keep working loose and eventually pull fasteners through the decking.
Fastener and gasket failure from inland heat
That Inland Empire heat doesn’t just age shingles. It cooks the rubber washers on metal roof fasteners until they crack and lose their seal. On a Rancho Cucamonga metal roof that’s been up for ten years, we’ll often find dozens of degraded washers. It’s a straightforward fix: pull each fastener, replace the washer, re-torque, and check the panel seams while we’re up there. It runs $500 to $1,200 depending on roof size and accessibility.
Commercial Roof Repair in Rancho Cucamonga
Commercial Roof Repair in Rancho Cucamonga covers flat and low-slope buildings across the business parks off Milliken, Haven, and Rochester. Most commercial repairs in Rancho Cucamonga fall into two buckets: patching failing TPO or torch-down membrane, and fixing ponding water issues that come from clogged drains or settled decking. Typical commercial repairs run $800 to $4,500, with the higher end covering membrane section replacements and edge metal rework.
Membrane punctures and failing lap seams
Rancho Cucamonga’s inland heat expands and contracts commercial membrane daily. Over time, lap seams pull apart and small punctures from HVAC service traffic turn into slow leaks that rot the decking below. We cut back the damaged section, patch with matching material, and re-weld the seams. For older IKO or CertainTeed membrane systems, we match the existing membrane rather than slapping on an incompatible patch that will fail again in a season.
Ponding water and clogged scuppers
Flat commercial roofs in the flat-grid parts of 91701 and 91730 sit low, and when the drains clog with leaves or debris, water pools. Standing water can add hundreds of pounds to a roof structure and accelerate membrane failure. We clear the drainage path, check for soft deck spots under the ponding area, and repair the membrane where standing water has already done damage. This kind of repair is usually $900 to $3,000 on Rancho Cucamonga commercial buildings.
Trusted Brands We Service in Rancho Cucamonga
No two roofs in Rancho Cucamonga are the same, and we don’t pretend otherwise. We’re experienced with seven leading brands, including GAF, CertainTeed, and Owens Corning, which means when a Rancho Cucamonga homeowner calls us about a repair, we know the specific underlayment requirements, flashing details, and fastener patterns for whatever material is already on their roof. That multi-brand fluency matters more than most people realize: a repair that’s done correctly on a GAF shingle roof is different from one done on a CertainTeed concrete tile. We stock common components for repair work across these brands, which means faster turnaround when you need a fix in Rancho Cucamonga. Your roof, your material choice, one crew that knows how to repair them all.
See the difference
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AfterCommon Roof Repair Problems We See in Rancho Cucamonga Homes
- Sun-baked underlayment on concrete tile roofs. Especially in 91730 and 91701, the tile still looks fine from the street while the underlayment beneath it has cracked like old leather. We open up a test section to check what’s actually protecting your decking before recommending a repair.
- Santa Ana wind lifting field tiles and ridge caps. Homes in 91737 and 91739 catch the wind funneling off the Cajon Pass, and lifted caps are common after every major wind event. Re-sticking them without checking the fastening pattern leaves the roof vulnerable to the next gust.
- Valley leaks on 1970s to 1990s tract homes. The original valley flashing on older Rancho Cucamonga homes was often minimal, and twenty or thirty years of heat and wind has done a number on it. We find soft decking around valleys on a regular basis.
- Leaks around vent boots and pipe penetrations. The rubber boots around plumbing vents and exhaust pipes degrade fast in Inland Empire heat. A roof that’s otherwise in good shape can leak through a boot that’s cracked and split open.
Pricing for Roof Repair in Rancho Cucamonga, CA
A small repair like a lifted ridge cap or a broken tile on a Rancho Cucamonga home typically runs $350 to $600. Vent boot replacement is $400 to $800. Flashing repair around chimneys or valleys runs $600 to $1,500, depending on whether we need to strip back tile. Underlayment replacement in a section of a concrete tile roof runs $1,200 to $2,800, and that’s where the 91730 and 91701 tract homes often land once we open up the roof and see what the inland heat actually did beneath the tile. We write line-item quotes so you see exactly what you’re paying for, and estimates are free. Call (866) 321-6172 to schedule one.
We Also Serve Cities Near Rancho Cucamonga
Our crews regularly work in Rancho Cucamonga and the surrounding Inland Empire communities. If you’re in San Antonio Heights, Upland, Ontario, or Fontana, we cover those areas too and bring the same inspection-first approach to every roof we touch.
Serving Rancho Cucamonga, CA — Our Local Coverage Area
We’re based in the Rancho Cucamonga 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 Roof Repair in Rancho Cucamonga
The tile on a 1970s to 1990s tract home in the flat-grid area of Rancho Cucamonga often still looks intact while the underlayment beneath it has cracked from twenty to thirty years of inland heat and UV. Once we pull the tiles around the leak, the true scope is usually underlayment replacement plus any decking repair where water has been getting in. We always inspect first and show you photos of what we find before we quote the full repair, and we do not change the scope without your written approval. Call us at (866) 321-6172 if you suspect this is happening on your roof.
We can, but we shouldn’t, and here’s why. On Rancho Cucamonga foothill-edge homes in 91737, wind lifts tiles because the original fastening pattern was never meant to handle the gusts that come off the Cajon Pass. If we just re-stick the caps with adhesive, the next wind event will lift them again. We re-secure the entire edge line, check the starter strip, and correct any fastening issues we find. A proper re-secure runs $500 to $1,200 depending on how many tiles and caps are involved.
Small repairs like replacing a broken tile, a vent boot, or a section of flashing typically don’t require a permit. However, if a repair expands into underlayment replacement or decking work on a larger section, Rancho Cucamonga building codes will often require upgrades like ice and water shield at valleys and penetrations, or corrected drip edge. We tell you about these before we start, and we write them into the quote so you’re not surprised. Permits we pull, inspections we pass.
On newer 91739 homes, most leaks we see come from flashing failures, not tile failure. The tile may have decades of life left, but the flashing around chimneys, valleys, or sidewalls was either under-specified originally or has pulled apart with heat cycling and wind. We remove the tile in the affected area, replace the flashing with the right gauge and profile for your roof material, and re-set everything cleanly. A flashing repair of this type on a 91739 home typically runs $700 to $1,500.
Yes, we repair metal roofs across Rancho Cucamonga, and the inland heat absolutely affects them differently. The heat accelerates UV degradation on fasteners and the neoprene washers that seal them, and it causes panels to expand and contract more aggressively than coastal homes ever see. On a Rancho Cucamonga metal roof, we check fasteners, seam integrity, and panel movement, not just the visible dent or leak. Most metal roof repairs here run $450 to $1,800.
If you’ve got a roof problem in Rancho Cucamonga and want someone who will actually look before quoting, call (866) 321-6172 to schedule a free inspection and estimate. Rick Dominguez and the crew at Van Nuys Roofing Co will give you the straight answer – repair if that’s what makes sense, replacement if it doesn’t, and no runaround either way.
Written by Rick Dominguez, owner of Van Nuys Roofing Co, serving Rancho Cucamonga roof repair customers across 91701, 91730, 91737, and 91739.