info@pomonasuperiorroofing.com

Roof Repair in Ontario, CA | Emergency Roofing & Leak Repair Experts

Pomona Superior Roofing provides expert roof repair in Ontario, CA, including emergency roofing and roof leak repair backed by over 20 years of experience. Our team responds quickly, performs thorough roof inspections, and repairs asphalt, metal, TPO, EPDM, and other roofing systems to stop leaks and prevent further damage. We deliver dependable solutions that protect your property when time matters most. Ontario, CA sits in southwestern San Bernardino County within the Inland Empire, about 35 miles east of downtown Los Angeles. The area's hot-summer Mediterranean climate places constant stress on residential and commercial roofing systems. We provide roofing solutions built for these local conditions and proudly serve nearby Upland and Rancho Cucamonga.

Our roofing contractors explain the damage, recommend the right repair or replacement option, and provide clear timelines before work begins. We also offer storm damage assessments, preventive maintenance, and long-term roofing solutions that extend your roof's lifespan. With experienced craftsmanship and responsive service, we help Ontario property owners make confident roofing decisions.

Get a FREE Quote.

Why We Are the Leading Commercial Roofer in Pomona, CA & Surrounding Areas

  • Holder of a C-39 roofing contractor license with over 28 years of experience
  • Completed major commercial roofing projects valued at over $3.7 million
  • Factory-trained and certified by leading manufacturers such as GAF, Carlisle SynTec, Firestone, Johns Manville, and CertainTeed
  • Expertise in installing and servicing TPO, PVC, EPDM, Modified Bitumen, BUR, etc.
  • Certified for energy-efficient and reflective roofing systems
  • Specialized in roof replacements, retrofits, coatings, and energy-efficient upgrades,
  • Skilled in infrared moisture scanning, leak detection, and preventive commercial roof maintenance
  • Rescued numerous unfinished commercial roofing projects abandoned by other contractors lacking proper roof engineering knowledge
  • Financially stable, ensuring projects are completed on time without delays
  • Offering industry-leading warranties, including a 50-year Golden Pledge Warranty on shingle roofs and 30-year warranties on commercial flat roofs
  • No-dollar-limit warranty guaranteeing full roof replacement if the roof fails


Emergency Leak Repair and Rapid Response

We respond 24/7 to active leaks, storm damage, and sudden roofing failures across the roughly 50 square miles that make up Ontario, CA. Our priority is stopping water intrusion, protecting interior finishes, and coordinating fast, safe roof repair services for the more than 175,000 residents who call Ontario, CA home.

Common Causes of Roofing Emergencies

We see the same triggers repeatedly in Ontario, CA: wind-driven storm damage that lifts or tears shingles and exposes underlayment, especially during the Santa Ana wind events that hit the area frequently in autumn and winter; fallen debris or branches that puncture tile or asphalt roofs; failed flashings around chimneys, skylights, and plumbing vents; and clogged or broken gutters that force water under eaves. Age-related deterioration also causes sudden leaks when brittle materials split under stress, and Ontario, CA's temperature swings between summer highs that have reached 118°F and winter lows near 25°F accelerate that wear on shingles, seals, and flashing.

These problems escalate quickly. Water penetrates insulation and drywall within hours, creating mold risk and structural rot. Identifying the actual breach, whether a puncture, seam separation, or flashing failure, lets us choose the correct emergency patch or temporary covering to prevent further interior damage.

Immediate Steps to Take After Discovering a Leak

First, protect occupants and property: move furniture, electronics, and valuables away from the drip zone and place buckets or tubs under active drips. Turn off electricity in affected rooms if water approaches outlets or fixtures; call an electrician if you're unsure.

Next, contain the flow: if safe, apply a tarp or temporary patch from the interior ceiling to reduce water spread until professionals arrive. Avoid climbing on the roof during storms or on wet surfaces.

Document the damage with photos for insurance and note the time and weather. Ontario, CA averages only about 11.6 inches of rain a year, concentrated mostly between December and March, so a sudden downpour often catches property owners off guard. Then contact our emergency roofing line for rapid dispatch. We prioritize calls by risk to structure and occupants and provide clear arrival windows so you know when help is coming.

How Professional Emergency Roofing Teams Act Quickly

We deploy trained crews with truck-mounted tarps, adhesive patch materials, and powered wet-vac and water-extraction tools. On arrival we perform a rapid risk assessment: locate the entry point, check attic and eave routes, and inspect flashings and penetrations for secondary failures.

We implement a temporary but weatherproof solution: heat-welded patches for single-ply membranes, self-sealing patches for asphalt roofs, or secured tarps for large storm breaches, then schedule a permanent repair or replacement plan.

We coordinate with insurance adjusters, provide detailed repair estimates, and document all emergency measures. Our approach reduces further interior damage and accelerates the transition from emergency stabilization to full roof repair services.

Comprehensive Roof Inspection and Damage Assessment

We inspect every roof section, document visible and concealed damage, and provide actionable next steps for repair, emergency tarping, or insurance claims. Our process prioritizes safety, code compliance, and cost-effective solutions for both residential neighborhoods and the warehouse and distribution facilities that now anchor much of Ontario, CA's economy.

Why Regular Roof Inspections Matter

We schedule routine roof inspections to catch small problems before they become costly failures. Regular checks focus on shingle integrity, flashing condition, ventilation, and signs of ponding or sagging that indicate structural stress, which matters in a city sitting at roughly 1,004 feet in elevation where summer heat and dry Santa Ana winds place extra demand on roofing materials.

A typical inspection includes a full exterior walkaround, rooftop access when safe, attic checks for moisture or insulation gaps, and photographic documentation. This lets us detect missing or cracked shingles, deteriorated seals around vents and chimneys, and early-stage rot at roof edges.

Routine inspections extend service life, reduce emergency repairs, and preserve warranty coverage. We document findings so Ontario, CA homeowners know repair priorities and expected costs, and we recommend maintenance intervals based on roof age, material, and local weather patterns.

Identifying Storm Damage and Hidden Issues

We respond to storm calls by separating obvious damage from hidden, progressive problems. After wind, hail, or heavy rain, we inspect for torn shingles, granule loss, displaced tiles, and compromised flashing that can cause leaks later.

Inside, we search attics for staining, mold, or wet insulation that signal slow leaks. We also check gutters and downspouts for debris patterns that reveal runoff problems and look for soft spots on roof decking during direct access. These hidden issues often worsen after repeated storms and require prompt action.

When we find storm-related defects, we mark and photograph each area, estimate repair scope, and recommend immediate mitigation such as temporary patching or tarping to prevent interior damage while long-term repairs proceed.

Detailed Reporting and Insurance Support

We produce a clear, itemized inspection report with high-resolution photos, annotated diagrams, and repair estimates tied to specific materials and labor. This documentation helps homeowners understand necessary work and timelines.

For insurance claims, we create a separate claims packet that includes cause-of-damage analysis, dated evidence, and a written scope of repairs aligned with common insurer requirements. We also coordinate with adjusters and can provide on-site walkthroughs to explain technical details.

Our reporting includes prioritized actions: emergency repairs, recommended replacements, and preventative maintenance, so homeowners and adjusters can make informed decisions quickly.


Expert Roof Repair Services for All Roofing Types

We respond quickly to emergency leaks, damaged shingles, and failing roof elements throughout Ontario, CA. Our teams diagnose issues, stop active water entry, and restore roofing systems to safe, weatherproof condition.

Fixing Roof Leaks and Preventing Water Damage

We start with a targeted leak inspection using visual checks, moisture meters, and infrared scans when needed to locate concealed wet areas. That lets us prioritize repairs: replacing damaged flashing, sealing penetrations around vents and chimneys, and patching compromised underlayment, so water stops at the source.

For active leaks we deploy temporary tarps or water-tight patches immediately, then follow with permanent repairs the same day when possible. We document leak paths and repair steps for homeowners and provide advice on attic ventilation and insulation fixes that reduce condensation and long-term water risk.

We use industry-grade sealants and manufacturer-recommended flashing, and we test repaired areas with controlled water runs to confirm the leak is resolved before we leave.

Repairing Shingles, Tiles, and Structural Elements

We repair asphalt shingles, composite shingles, clay and concrete tiles, and metal panels with material-specific techniques. For shingles we match color and profile, replace damaged shingles and underlayment, and secure loose nails. For tiles we replace broken pieces and reset slipped tiles, checking battens and fasteners for corrosion.

When structural elements show rot or sag, whether roof decking, rafters, or trusses, we perform localized sistering or full board replacement as required. We also inspect and repair gutters, eavestroughs, and drip edges because proper drainage protects repaired roofing materials from recurring damage.

All repairs follow local code and manufacturer guidelines so warranty conditions remain intact. We keep photographic records of pre- and post-repair conditions for transparency.

Ongoing Maintenance for Long-Term Performance

We offer scheduled maintenance plans that include biannual inspections, debris removal, gutter cleaning, and proactive shingle or flashing replacement. Regular checks catch small problems, like loose fasteners, cracked flashing, and minor membrane breaches, before they become leaks.

Maintenance packages include detailed reports, estimated remaining service life for roofing components, and prioritized repair recommendations. For commercial and residential clients across Ontario, CA, including the warehouses that serve companies like UPS and FedEx near Ontario International Airport, we tailor frequencies based on roof type, slope, and microclimate exposure to sun and wind.

We staff trained technicians who document each visit and perform basic warranty upkeep tasks, keeping roofing systems performing longer and reducing the likelihood of emergency roofing services.