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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon293
    Verified roofing services reviews

Top-Rated Roofers in California - Updated Nov 2026

Avatar for William Richmond, Inc.
William Richmond, Inc.
5.0(
154
)
Asphalt Shingle Roofing - Install or Replace

Serving California, MD and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"William Richmond, Inc. removed and installed a new asphalt roof for our house and shed. We experienced a quick turnaround from estimate to installation. Mr. Richmond provided a detailed explanation of the products he would install and of the expectations on the overall project. Communication was excellent throughout the project. The roofing crew arrived on time, completed our project in a day, and did an excellent job in cleaning up after the install. We would highly recommend the services of William Richmond, Inc. We look forward to working with Mr. Richmond on future projects."
Complete exterior remodel
Complete exterior remodel
Complete exterior remodel
Complete exterior remodel
Complete exterior remodel

+121

Response time8 hrs
4 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for John Krause Construction
John Krause Construction
4.4(
169
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or Replace - For BusinessAsphalt Shingle Roofing - Repair+26 more

Serving California, MD and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"John Krause Construction recently replaced my roof. I am very pleased with the quality of the work and the price we paid. Their crew was professional and courteous, and a pleasure to work with. They took extra care to clean up my entire yard and ensure I was happy with the job. I would highly recommend this company for any and all home improvement projects."
Pool House Exterior with Floor-to-Ceiling Windows & Doors, Two Pergolas, & Cupola with Windows
Modern Farmhouse Kitchen
Luxury Bathroom Renovation with Free-Standing Clawfoot Tub & Chandelier
Pool House - Side Entrance
Modern Farmhouse Kitchen with Farmhouse Sink, Pull-Down Faucet, Stainless Steel Range, Range Hood, Double Wall Oven, and Dishwasher

+113

Response time2 days
Response rate100%
14 neighbors recently requested a quote
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
388
)
Asphalt Shingle Roofing - Install or Replace

Serving California, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

Elevate your home with Home Genius Exteriors, setting the standard by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It?s time for a different experience, entrust your next home project to a genius and schedule your free inspection today!

Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing

+76

43 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for St. Mary's Roofing and Home Improvement
St. Mary's Roofing and Home Improvement
4.3(
43
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or Replace - For BusinessAsphalt Shingle Roofing - Repair+3 more

Serving California, MD and surrounding areas

Approved

In business since 2008

Free estimates

Credit card accepted

"Worked very hard to get my roof replaced ASAP. I made them aware of our current leaking situation and my worry and they had new shingles and a crew here within 2 business days of me signing the contract and our roof was complete that day. Overall experience from quoting to replacement was easy. They were the lowest bidder out of 4 local contractors. We've had lots of rain since it was completed LEAK FREE!! Would definitely recommend them to a friend."
Restoration Project
Restoration Project
Response time7 hrs
Response rate88%
Recommended by100%of homeowners
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Roofing FAQs, answered by experts

Whether you should choose a flat roof or a sloped roof depends on your particular situation. Flat roofs tend to be less expensive to install. However, sloped roofs have longer lifespans and stand up better to heavy snow and other inclement weather.

Keep in mind that even a flat roof needs to have a slight slope, usually around 1/2 inch for every foot. If it is completely flat, water will pool and cause damage, either from weight or leakage or rot.

While there are many benefits to installing a metal roof on your home, there are some downsides, too. Zinc roofs, in particular, are susceptible to corrosion from overly salty air directly near coastal areas. Another potential downside of zinc roofing is that it must be allowed to expand and contract with the weather. This means special attention is necessary to how it's fastened to the home to avoid issues. 

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. 

Most traditional lenders will not loan against a house with a leaking roof, and some lenders won’t lend against a home with a roof near the end of its lifespan. If the roof on your new home is in poor condition, you may need to have the seller offer a credit for a roof replacement after closing, or you can opt for a renovation loan—also called a 203k loan—to bundle the house and the roof replacement into one loan.

A gambrel roof and a mansard roof are similar in that they are both hipped roofs, meaning they have double slopes—one steep and one more gradual above the steep slope. The difference is that a gambrel roof has a double slope on only two sides of the structure, whereas a mansard roof has a double slope on all four sides.

The California, MD homeowners’ guide to roofing services

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