Top Emergency Roofing Services in Ontario, CA, 91743 | Compare & Call

There are 239 roofing companies server in Ontario CA

Double Eagle Roofing & Waterproofing

Double Eagle Roofing & Waterproofing

★★★★★ 4.6 / 5 (10)
1118 Cozumel St, Riverside CA 92501
Roofing

Double Eagle Roofing & Waterproofing has been a trusted Riverside roofing partner since 2000, bringing over two decades of hands-on expertise to both homes and businesses. As a licensed (#1098942), bo...

Lancaster Roofing

Lancaster Roofing

★★★★★ 5.0 / 5 (2)
Jurupa Valley CA 92509
Roofing

For over 30 years, Lancaster Roofing has been a trusted, family-owned roofing company right here in Jurupa Valley. Our owner is a local you might see around town or out on his Harley, and after decade...

Underline Energy Concepts

Underline Energy Concepts

★★★★★ 4.6 / 5 (182)
18540 Pasadena St Ste A, Lake Elsinore CA 92530
Solar Installation, Roofing, Heating & Air Conditioning/HVAC, Windows Installation

Underline Energy Concepts is a trusted, locally-owned energy efficiency company serving Lake Elsinore and the surrounding Inland Empire since 2002. We specialize in creating comprehensive home energy ...

Semper Solaris

Semper Solaris

★★★★☆ 3.8 / 5 (140)
1218 Spring St, Riverside CA 92507
Solar Installation, Roofing, Heating & Air Conditioning/HVAC

Semper Solaris is a veteran-owned home services company proudly serving Riverside and the wider Inland Empire. Founded in 2012 by Kelly Shawhan, a former Marine Corps Captain with over two decades in ...

The Lifetime Roofing Company

The Lifetime Roofing Company

★★★★★ 4.7 / 5 (22)
12672 Limonite Ave 3E Ste 439, Eastvale CA 92880
Roofing

The Lifetime Roofing Company is a licensed roofing contractor serving Eastvale, CA, specializing in both residential and commercial roofing needs. We provide comprehensive services including roof insp...

Midas Roofing

Midas Roofing

★★★★★ 5.0 / 5 (2)
Jurupa Valley CA 92509
Roofing

Midas Roofing is a licensed, bonded, and insured roofing company serving Jurupa Valley, CA, and surrounding areas. We specialize in a comprehensive range of roofing and gutter services, including new ...

Alpha Roofing Company

Alpha Roofing Company

★★★★★ 4.8 / 5 (42)
165 W Hospitality Ln Ste 2, Highland CA 92346
Roofing, Roof Inspectors

Alpha Roofing Company is a family-owned and operated roofing business serving Highland, CA, and the surrounding Inland Empire. Founded in 2016 by Mario, who brings over 20 years of roofing experience,...

Jay's Roofing

Jay's Roofing

★★★★★ 4.9 / 5 (19)
1117 Country Club Ln, Corona CA 92880
Roofing, Waterproofing, Roof Inspectors

Jay's Roofing has been a trusted roofing partner for Southern California homeowners and businesses since 1987. As a fully licensed, bonded, and insured contractor with an A+ BBB rating, we specialize ...

HP Commercial Roofing Pro

HP Commercial Roofing Pro

★★★★★ 5.0 / 5 (8)
18553 Arrowhead Blvd, San Bernardino CA 92407
Roofing

HP Commercial Roofing Pro is a San Bernardino-based commercial roofing contractor founded in 2017 by Jeff, who brings over a decade of specialized experience. Jeff's background uniquely combines prope...

CRT Roofing

CRT Roofing

★★★★★ 4.5 / 5 (8)
18551 Orange St, Bloomington CA 92316
Roofing

CRT Roofing Co. Inc. is a licensed roofing contractor based in Bloomington, CA, with over 50 years of combined expertise in the industry. Our team works closely with property management companies, gen...



Estimated Roofing Service Costs in Ontario, CA

Emergency Leak TarpingEstimated Range
$439 - $589
Roof Health InspectionEstimated Range
$169 - $229
Minor Roof Leak RepairEstimated Range
$634 - $849
Asphalt Shingle ReplacementEstimated Range
$12,239 - $16,329
Seamless Gutter InstallEstimated Range
$2,739 - $3,659

Methodology: Estimates are dynamically generated using labor multipliers derived from 2025 BLS OEWS (SOC 47-2181) data for Ontario. Prices include standard parts and labor adjusted for 2026 economic projections.

Question Answers

What makes a roof resilient against Ontario's wind storms?

Ontario's 110 mph Ultimate Design Wind Speed Zone requires roofs to withstand atmospheric river events. Class 4 impact-rated shingles are a financial necessity—they resist hail and wind-driven debris damage, reducing insurance claims. Proper installation with enhanced decking attachment and sealed roof edges prevents uplift during December-February peak storms, protecting your home's structural integrity.

Why are my homeowner insurance premiums rising so much in Ontario?

Insurance premiums in Ontario have increased by 18% due to higher claims from storm damage. Upgrading to an IBHS FORTIFIED Home standard roof directly lowers your bill by qualifying for available credits. These roofs meet enhanced wind and water resistance requirements, reducing insurer risk and passing savings to homeowners through lower premiums and potential deductible reductions.

My roof is leaking during a storm. How quickly can a contractor respond?

Emergency tarping crews can typically arrive within 35-45 minutes. From Ontario Town Square, they take I-10 directly to your neighborhood, prioritizing active leaks to prevent structural damage. Immediate tarping secures the compromised area until permanent repairs can be scheduled, minimizing water intrusion and protecting interior finishes from costly secondary damage.

Should I consider solar shingles instead of traditional asphalt in 2026?

With NEM 3.0 and the 30% Federal ITC, solar shingles offer energy generation but cost more upfront than architectural asphalt. Traditional shingles remain practical for Ontario's low hail risk, while solar options provide long-term savings on electricity bills. Evaluate based on your energy usage, roof orientation, and whether immediate storm resilience or gradual energy independence aligns with your priorities.

How do modern roof inspections differ from traditional methods?

Standardized aerial imagery and AI-assisted measurements identify sub-surface moisture in asphalt shingles that traditional walk-overs miss. This technology detects early-stage water intrusion under the surface, revealing compromised decking areas before visible leaks occur. In Ontario's climate, this proactive approach prevents extensive damage by addressing issues during dry periods, saving homeowners from emergency repairs.

My Ontario home was built around 1979. Why does my asphalt shingle roof need replacement now?

Roofs in Downtown Ontario average 47 years old, exceeding the 25-30 year lifespan of architectural asphalt shingles. On 1/2 inch CDX plywood decking, decades of UV exposure and moisture cycles from atmospheric river events degrade the shingle's protective granules and adhesive strips. This leads to curling edges, granule loss, and compromised water resistance, making replacement necessary to prevent decking rot and interior water damage.

What are the current code requirements for roofing in Ontario?

The Ontario Building and Safety Department enforces the 2022 California Residential Code, requiring specific ice and water shield offsets and flashing details. Contractors must hold CSLB licensing for compliance. These standards mandate sealed roof edges and enhanced underlayment in vulnerable areas to prevent water intrusion, ensuring roofs withstand local climate conditions and meet insurance durability expectations.

Can poor roof ventilation cause problems in my Ontario home?

Improper ventilation on a 4/12 pitch roof leads to attic mold and reduced shingle lifespan. The 2022 California Residential Code requires specific intake and exhaust ratios to manage heat and moisture buildup. Inadequate airflow traps warm, humid air from living spaces, promoting mold growth on decking and accelerating shingle deterioration through thermal cycling and moisture absorption.

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