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TRUSTED BY ALTA LOMA, CA HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon811
    Verified roofing services reviews

Top-Rated Roofers in Alta Loma - Updated Nov 2026

Avatar for Federal Building & Roofing
Federal Building & Roofing
4.8(
81
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - RepairMetal Roofing - Install or Replace+26 more

Serving Alta Loma, CA and surrounding areas

Approved

In business since 1979

Free estimates

Warranties offered

"This company was great. They got back to us right away for an estimate and a start date. We had to postpone a week due to rain but Richard contacted us in a timely manner to let us know when the new start date would be. The crew came on time, were very nice, did the work quickly and professionally and cleaned everything up. Richard came by every day to check on it all. We are very pleased with our new roof, patio cover and the whole process."
Additional Photos
Additional Photos
Additional Photos
Composition Roofing
Tile Roof

+2

7 neighbors recently requested a quote
Recommended by97%of homeowners
3rd Generation Roofing
4.5(
72
)
Asphalt Shingle Roofing - Install or Replace - For BusinessFlat, Foam, or Single Ply Roofing - Install or Replace- For BusinessNatural Slate Roofing - Install or Replace- For Business+1 more

Serving Alta Loma, CA and surrounding areas

Approved

In business since 1999

Free estimates

Credit card accepted

"Got quotes and talked to 3 other roofers. 3rd Generation Roofing gave me the best pricing, great costomer service and followup, and their crew was efficient and clean. I would, and already have, recommended 3rd Generation Roofing to others in need of a new roof. Altogether a good project experience."
Response time2 days
5 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for California Roof Experts
California Roof Experts
4.7(
302
)
Traditional Tile Roofing - RepairAsphalt Shingle Roofing - RepairAsphalt Shingle Roofing - Repair - For Business+8 more

Serving Alta Loma, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Emergency services offered

"I posted on Yelp, wishing I could give them more than five stars! Arturo was great, Very organized and excellent communication. I am a very happy customer. I wish they did more than just roofs!! I have beautiful new roof- thank you California Roof Experts â ¥ï¸"
Reroof with Tile Replacement - Walnut, CA
Reroof with Tile Replacement - Walnut, CA
Reroof with Tile Replacement - Walnut, CA
Reroof with Tile Replacement - Walnut, CA
Reroof with Tile Replacement - Walnut, CA

+41

Response time2 days
3 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for ESSENTIAL BUILDERS INC
ESSENTIAL BUILDERS INC
4.9(
189
)
Asphalt Shingle Roofing - RepairTraditional Tile Roofing - RepairWood Shake or Composite Roofing - Repair+7 more

Serving Alta Loma, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Warranties offered

"Sam and his team at Essential Builders tackled our roof repair with precision and professionalism, resolving the issue promptly and effectively. Their expertise and attention to detail gave us peace of mind, knowing that our roof was in capable hands."
Flat Roof Torch Down
Full Roof Completed
Full Roof Completed
Full Roof Completed
Owens Corning Underlayment

+35

Response time5 hrs
Response rate97%
130 neighbors recently requested a quote
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Roofing FAQs, answered by experts

The warranty for algae-resistant shingles varies by manufacturer, but the industry standard is 25 years for overall shingle durability and lifespan and between 10 and 15 years for algae resistance. Some products come with longer warranties for discoloration of up to 30 years. Check warranty coverage for the shingle and algae protection before deciding on a roofing product.

Wooden roofs require regular maintenance, are prone to rot and mold, and are frequently the target of insect infestations. Natural wood is also excellent at absorbing and storing moisture—not a positive. In climates where the weather shifts dramatically, the wood can also crack, split, or warp.

White is the most energy-efficient color for roofs because solar energy reflects off white surfaces the best. Silver is also a good choice.

You can only overlay a roof once. Any additional layers of shingles will add too much weight and may also violate building codes. Once your roof has had an overlay, you’ll need to have a full roof replacement, including a tear-off of all existing roofing materials, when it’s time for a new roof. 

Skipping the installation of a drip edge or gutter apron can lead to significant water damage. Without this component, water is more likely to seep under roofing materials or leak behind gutters, damaging the fascia, soffits, siding, and even the interior of your home, such as the attic. Over time, this moisture can cause rot, mold, and deterioration. In colder climates, a missing drip edge also increases the risk of ice dams, which can lead to expensive repairs. A drip edge is an essential part of a roof's drainage system, and some local building codes may even require its installation to protect the home from water damage.

The Alta Loma, CA homeowners’ guide to roofing services

From average costs to expert advice, get all the answers you need to get your job done.