4.1 
12 *The Angi rating for Roofing companies in Janesville, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Roofing needs.
*The HomeAdvisor rating for Roofing companies in Janesville, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Roofing needs.
Last update on June 02, 2026
Serving Janesville, CA and surrounding areas
Approved
In business since 2007
Free estimates
Credit card accepted
"The landscape designer was knowledgeable and provided creative ideas for our outdoor space. We were thrilled with the end result!"
Serving Janesville, CA and surrounding areas
Approved
In business since 2018
Free estimates
Small jobs welcome
"He was great! I am happy to have found him so I can start using him more!"
+18
Serving Janesville, CA and surrounding areas
Approved
In business since 2023
Free estimates
Customers say: Quick response
"Estabrook Construction replaced the vinyl siding, painted the exterior of my house, and replaced my patio roof with asphalt shingles. They did an excellent job! They did this work in a timely manner and they cleaned up after the work was done. I would highly recommend them to anyone who needs any kind of work on their home or business."
+7
Serving Janesville, CA and surrounding areas
Approved
In business since 2023
Free estimates
Credit card accepted
\n\nWe take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
+1
Serving Janesville, CA and surrounding areas
Approved
Customers say: Quick response
"The representative was very pleasant and kind."
Serving Janesville, CA and surrounding areas
Approved (Corporate)
In business since 2023
Offers commercial services
Were a family owned and operated company that values honesty and integrity, and stands behind our work. We offer over 40 years of industry experience. We specialize in Asphalt Shingle Roofing installation, replacement, and repairs. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction!
Serving Janesville, CA and surrounding areas
Approved
Free estimates
Small jobs welcome
General handyman things, light electrical, landscaping, painting, plumbing and pretty much anything else. I also know my limits, so if there is something I am not 100% certain I can do up to standards then I will be honest. Cost is always negotiable with me.
Serving Janesville, CA and surrounding areas
In business since 1994
Free estimates
Emergency services offered
"I have always highly recommended Ocean Seven Builders. We have used them many times. They have done our garage roof, the main roof on our house, they have put in new roof for my town home, and all looks beautiful. The team is very prompt response. The crew is very friendly and professional. I will use them again for future needs."
Serving Janesville, CA and surrounding areas
In business since 2014
Free estimates
Credit card accepted
"I recommend this company I had a good experience my roof came out nice Iâ  m happy the way my roof came out my roof thank you Newhaus"
Serving Janesville, CA and surrounding areas
In business since 2014
Free estimates
"Amazing, very professional, on-time, clean work,"
+5
From average costs to expert advice, get all the answers you need to get your job done.
A new roof improves curb appeal, increases home value and keeps your living space protected from the elements. Learn about average roof replacement costs to set your budget.
The average cost of roof repair for U.S. homeowners averages between $386 and $1,875. Learn what factors can affect roof repair costs.
Wondering about the cost to tarp a roof after a large storm or before a major roof renovation? We'll break it down by size, style, and scenario.
All of the parts of your roof work together to protect your home. Learn the anatomy of a roof and how each part functions.
Roof leaks are an emergency, so knowing who can tarp your roof quickly and correctly can save you from major water damage if you ever experience a leak.
Take these steps to help winterize your roof this season. These preventative maintenance tips could save you tons of time and money.
