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

There are 239 roofing companies server in Ontario CA

Ontario Roofing

Ontario Roofing

4335 E Lowell St Ste G, Ontario CA 91761
Roofing

Ontario Roofing is a locally owned and operated roofing contractor serving Ontario, California, and the surrounding communities. We specialize in both residential and commercial roofing projects, from...

Blue Maple Construction

Blue Maple Construction

Rancho Cucamonga CA 91701
Heating & Air Conditioning/HVAC, General Contractors, Roofing

Blue Maple Construction has been a trusted partner for homeowners in Rancho Cucamonga and the surrounding Inland Empire since 1993. Our mission is to bring your vision to life with craftsmanship that ...

Montano Construction

Montano Construction

Rancho Cucamonga CA 91730
General Contractors, Flooring, Roofing

Montano Construction is a trusted general contractor serving Rancho Cucamonga, CA, with expertise in flooring, roofing, and comprehensive construction services. Founded by Javier Montano, who brings o...

J P Roofing

J P Roofing

★★★★★ 4.7 / 5 (35)
Chino CA 91710
Roofing, Waterproofing

JP Roofing is a family-operated, licensed roofing company founded in Chino by Joe Perez in 1992. With deep roots in the trade, Joe honed his skills in the union, mastering the installation of all majo...

Micasa Pro Roofers

Micasa Pro Roofers

★★★★☆ 4.2 / 5 (20)
1474 W 9th St Ste A-3, Upland CA 91786
Roofing

Micasa Pro Roofers is a locally owned and operated roofing contractor serving Upland and the Inland Empire for over 20 years. Our deep community roots allow us to provide a personalized, hands-on appr...

Lansford Roofing

Lansford Roofing

★★★★★ 4.7 / 5 (78)
3535 Landfair Rd, Pasadena CA 91107
Roofing, Insulation Installation, Gutter Services

Lansford Roofing, led by Robert Lansford, has been a trusted roofing contractor serving Pasadena, Arcadia, Sierra Madre, and San Marino for over 15 years. We bring extensive experience and a dedicated...

Rancho Rain Gutters

Rancho Rain Gutters

★★★★★ 4.5 / 5 (42)
153 N 10th Ave, Upland CA 91786
Roofing, Gutter Services, Solar Installation

Rancho Rain Gutters has been providing reliable protection for Upland homes since 1989. We specialize in custom, seamless aluminum and copper gutter systems, fabricated on-site for a perfect, leak-fre...

Obie's Roofing

Obie's Roofing

★★★★☆ 4.3 / 5 (32)
8350 Spring Desert Pl, Rancho Cucamonga CA 91730
Roofing

Obie's Roofing is a Rancho Cucamonga-based specialist focused on tile repair and flat roof systems. We address the specific challenges of local homes, from hot mop and torch-down applications for flat...

Roofquest

Roofquest

★★★★★ 5.0 / 5 (5)
6752 Mango St, Rancho Cucamonga CA 91701
Roofing

Roofquest is a trusted Rancho Cucamonga roofing company dedicated to protecting local homes from common regional problems like skylight leaks and slipping roof tiles. Serving the Inland Empire, their ...

Luckett Roofing

Luckett Roofing

★★★★★ 5.0 / 5 (7)
8816 Foothill Blvd Ste 103-425, Rancho Cucamonga CA 91730
Roofing, Solar Installation

Luckett Roofing has been serving Rancho Cucamonga and surrounding communities since 1990, bringing nearly three decades of trusted roofing and solar expertise to Southern California homes and business...



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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