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Last Updated: February 25, 2025
Your home's roof serves many important functions, from keeping your heat in to keeping water out. However, maintaining your roof isn't always simple. Keeping the roof on your Mercer Island home well-maintained can prolong its life and save you from costly repairs.
For all issues, large or small, there's a local roofing contractor who can help. Use our guide to connect with one of the best roofers in Mercer Island.
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Our Rating
User Rating
Customer education
Quality customer service
Transparent pricing
Services Offered
Our Rating
User Rating
Customer education
Transparent pricing
Free inspections
Quality customer service
Services Offered
Our Rating
User Rating
Transparent pricing
Transparent project updates
Customer education
Quality customer service
Preventive services
Reputation for timeliness
Free inspections
Services Offered
Our Rating
User Rating
Preventive services
Reputation for timeliness
Transparent pricing
Free inspections
Quality customer service
Customer education
Services Offered
Our Rating
User Rating
Transparent pricing
Transparent project updates
Reputation for timeliness
Quality customer service
Preventive services
Free inspections
Services Offered
Our Rating
User Rating
Customer education
Free inspections
Transparent pricing
Reputation for timeliness
Services Offered
Our Rating
User Rating
Transparent pricing
Preventive services
Customer education
Quality customer service
Transparent project updates
Free inspections
Services Offered
Our Rating
User Rating
Transparent pricing
Transparent project updates
Customer education
Free inspections
Services Offered
Our Rating
User Rating
Free inspections
Quality customer service
Customer education
Transparent pricing
Preventive services
Services Offered
Today's Homeowner looks at dozens of datapoints on roofers to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:
Budget is a major consideration when replacing something as big as your roof. Below, see the average price range for roof replacement on a 1,500 square foot home in Mercer Island, as well as price differences between various popular roofing materials.
Installing a new roof is a major home improvement project that can cost an amount in the tens of thousands range in the end. It's crucial to research and find a top quality and trusted local roofing contractor for the job. Here are the key factors to consider when choosing a roofing contractor.
While the average homeowner may not spend a lot of time thinking about their roof, a roof plays an important role in keeping a home safe and secure. Watch for these signs that your roof might need professional attention.
Your roof's age and material are key factors. Asphalt shingles, the most common residential roofing material, generally last 20–25 years before needing to be replaced. Have your roof evaluated if it’s nearing or past this lifespan to determine if it needs to be replaced.
One of the clearest signs of roof trouble is water leaks. Stains on your insulation, ceilings, or walls, or in your attic likely indicate water seeping through worn or damaged shingles. Even small leaks should be fixed promptly, as they can cause mold growth and further damage your roof.
If you can see roof sheathing or decking under shingles, it means that those shingles are severely curling or losing their seal. This means the shingles likely need replacement. Shingles need to lie flat to prevent water from getting into your home.
Examine your roof shingles from the ground or a steady ladder. Look for tears in the shingle surface or missing granules. Storms that bring strong winds can cause surface damage over time. To maintain your roof, replace any shingles that have come loose or have open gaps.
Metal flashing on your roof seals off valleys, vents, chimneys, and other areas where water can leak in. If the flashing is becoming damaged, loose, or worn down, it may leak. Promptly address any flashing issues.
If your roof shows signs of sagging or unevenness, it's time to call a professional roofer. These issues could indicate a structural problem. A sagging roof that's not reinforced or replaced will deteriorate more over time.
The best type of roofing material for your home in Mercer Island will depend on factors such as your budget and how frequently you're willing to do maintenance.
Metal is more expensive but is more durable, while asphalt will be cheaper up front but won't last as long. Wood roofs have better insulation than many other materials, which can be very beneficial in the winter.
In Washington state, all contractors need to register with the Department of Labor & Industries. Roofers are not required to hold any additional state-level licensure unless they work with asbestos. Make sure that you check with your local government to find out if there are any municipal-level licensing requirements.
You can expect to pay about $488 for roof cleaning in Mercer Island. Things like the material of your roof, how many stories your house has, the extent of the issue, and the size of your roof will all affect the final price.
The best time of year for a roof replacement is fall or spring. In the winter, Mercer Island's cold temperatures can impede progress.
The extent of the cleaning needed, as well as the material of your roof, will decide how your contractor cleans it. Some roofs benefit from power washing, but this is not recommended for materials like asphalt tiles. "Soft washing" is done with tools like brushes and brooms, and employs chemicals like bleach and detergent.
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