Tips & Advice · 4 min read

Asphalt Shingle Roofs: Avoiding Common Santa Monica Blunders

Considering a new asphalt shingle roof for your Santa Monica home? You definitely don't want to fall into these common traps. I'm going to walk you through how to plan smart and, just as important, hire the right folks for the job.

← Back to Blog Completed asphalt shingle roofing work at a residential property in Santa Monica, CA

Alright, let's talk about asphalt shingle roofs. They're a really popular choice around here, especially for those classic bungalows and Spanish-style homes you see all over Santa Monica. They're reliable, look pretty good, and usually don't cost an arm and a leg compared to some other options. But I've seen homeowners make some pretty big blunders when they're planning these projects and hiring someone, and it usually ends up costing them more money and a whole lot of headaches down the road. You want to avoid that, right? So let's get into it.

Mistake #1: Focusing Only on the Lowest Bid

This is probably the biggest one, a real classic. Everyone wants a good deal, I totally get it. But roofing isn't like buying a new TV where the cheapest one might still do the job just fine. With roofing, a super low bid often means corners are getting cut. Maybe they're using cheaper materials, skipping crucial underlayment, or hiring crews without much experience. You might save a grand or two upfront, but if that roof starts leaking in five years because of shoddy work, you're looking at a much bigger bill for repairs or even another full replacement. Always get multiple bids, sure, but don't automatically go with the cheapest. Seriously, ask yourself why it's so much lower than the others.

Mistake #2: Not Understanding the Full Scope of Work

A lot of folks just assume 'new roof' means tearing off the old shingles and slapping on new ones. While that's part of it, there's a lot more that goes into a quality asphalt shingle installation, especially here where we deal with that salty air and occasional heavy rains. Did the quote include new flashing around chimneys and vents? What about drip edge? Is the old underlayment being replaced, or are they just going right over it? What kind of ventilation are they proposing? Proper attic ventilation is huge for shingle longevity, especially with our hot summers. If your contractor isn't walking you through all these details and explaining why they're important, that's a red flag. You need to know exactly what you're paying for.

Mistake #3: Ignoring the Substrate (What's Underneath)

This is a big one that often gets overlooked. Before any new shingles go down, you need a solid, healthy deck underneath. I've seen plenty of roofs where the plywood or OSB decking was rotted, water-damaged, or even crumbling in places, and some less-than-reputable contractors will just shingle right over it. That's a recipe for disaster. A good contractor, like us at Coastal Roofing, will inspect the decking thoroughly once the old shingles are off. If there's damage, they'll show it to you and explain why it needs to be replaced. It's an extra cost, yes, but it's non-negotiable for a roof that's going to last. Don't let anyone tell you it's 'fine' if you see visible rot.

Mistake #4: Not Checking for Proper Licensing and Insurance

This one should be obvious, but you'd be surprised how many homeowners skip this step. In California, any contractor doing work over a certain dollar amount needs to be licensed by the Contractors State License Board (CSLB). You can look them up online. And just as important, they need to carry liability insurance and workers' compensation insurance. If they don't have these, and someone gets hurt on your property or your house gets damaged, you could be held liable. It's not worth the risk. Ask for proof, and don't just take their word for it.

Mistake #5: Forgetting About Permits

Another common oversight. Most roofing projects in Santa Monica require a permit from the city. This isn't just bureaucracy; it's there to make sure the work meets local building codes and safety standards. A reputable contractor will handle the permit process for you. If a contractor tells you a permit isn't necessary, or tries to convince you to skip it to save time or money, run the other way. You could face fines, difficulty selling your home, or issues with your home insurance down the line if the work isn't permitted and inspected.

Mistake #6: Not Asking About Warranties

A new asphalt shingle roof is a significant investment, and you want it protected. There are usually two types of warranties: the manufacturer's warranty on the materials, and the contractor's warranty on the workmanship. Understand what each covers, for how long, and what might void them. Some manufacturers offer enhanced warranties if the entire roofing system (shingles, underlayment, ventilation) is installed by a certified contractor. This can add a lot of confidence. Make sure you get all warranty information in writing before any work starts.

Look, getting a new roof isn't something you do every year. You want it done right the first time. By avoiding these common mistakes, you'll be much better positioned to get a quality asphalt shingle roof that protects your Santa Monica home for decades, without any nasty surprises.

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