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

There are 239 roofing companies server in Ontario CA

Epic Roof Replacement

Epic Roof Replacement

★★★★☆ 4.4 / 5 (76)
2919 Burbank Blvd Ste D, Burbank CA 91505
Roofing

Epic Roof Replacement in Burbank, CA is a roofing company founded by Oz Joseph Pesach, who began his construction career in 2015. Under his leadership, the company has developed innovative operations ...

24/7 Roofing Solutions

24/7 Roofing Solutions

★★★★★ 4.6 / 5 (20)
10050 Valley Blvd, El Monte CA 91731
Roofing

Founded out of a desire to provide fair and essential roofing services to the community, 24/7 Roofing Solutions Co. is a family-run, licensed, insured, and bonded roofing contractor in El Monte. We be...

T & G Roofing and Solar Company

T & G Roofing and Solar Company

★★★★★ 4.6 / 5 (173)
153 N 10th Ave, Upland CA 91786
Roofing, Solar Installation, Generator Installation/Repair

Founded in 1989 by Tom Shea and Mike Prescher, T & G Roofing and Solar Company is a locally owned and operated business serving Upland and the Inland Empire. Both founders started their careers on the...

LA Solar Group

LA Solar Group

★★★★☆ 4.3 / 5 (1024)
8484 San Fernando Rd, Sun Valley CA 91352
Solar Installation, Roofing, Solar Panel Cleaning

LA Solar Group is a Sun Valley-based solar and roofing expert dedicated to protecting your home and energy investment. We specialize in solar panel installation, maintenance, and repair, alongside add...

Baja Roofing

Baja Roofing

★★★★★ 4.9 / 5 (34)
8511 Wellsford Pl Ste B, Santa Fe Springs CA 90670
Roofing

Baja Roofing in Santa Fe Springs, CA is a licensed, family-owned roofing company with over 35 years of experience, continuing the legacy started by founder Juan Lara. We specialize in both residential...

AJ Reyes Roofing

AJ Reyes Roofing

★★★★★ 5.0 / 5 (4)
17020 Chatsworth St Ste 1064, Granada Hills CA 91344
Roofing

For over 25 years, AJ Reyes Roofing has been the trusted local roofing company for Granada Hills and the greater San Fernando Valley. As a family-owned business founded by Antonio Reyes, our work is b...

Always Reliable Roofing

Always Reliable Roofing

★★★★★ 4.7 / 5 (105)
14410 Crystal Lantern Dr, Hacienda Heights CA 91745
Roofing

Always Reliable Roofing is a family-owned and operated business proudly serving Hacienda Heights and the San Gabriel Valley. With over two decades of hands-on experience, we built our reputation on a ...

Roofing Innovations

Roofing Innovations

★★★★★ 4.8 / 5 (64)
610 Giano Ave, La Puente CA 91744
Roofing

Roofing Innovations is a family-owned and operated roofing contractor proudly serving La Puente and the greater Southern California area. Formerly known as Rios Roofing, we carry forward a legacy of r...

All In One Roofing and Solar

All In One Roofing and Solar

★★★★★ 4.8 / 5 (42)
680 N Berry St Ste A, Brea CA 92821
Roofing, Solar Installation

All In One Roofing and Solar is a family-owned business serving Brea, CA, with over 40 years of combined experience in roofing and solar installation. Founded by Reggie V., a third-generation roofer w...

Rocket Roofing

Rocket Roofing

★★★★★ 4.6 / 5 (41)
27555 Ynez Rd Ste 110, Temecula CA 92591
Roofing, Roof Inspectors

Rocket Roofing is a C39 licensed roofing contractor dedicated to serving the Temecula community and across Southern California. We provide both residential and commercial roofing services, backed by p...



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.

Scroll to Top
CALL US NOW