The answer to 'how much does underlayment cost local' is that the cost of roofing underlayment can vary significantly depending on your location, the type of underlayment, and the size of your roof. In general, you can expect to pay anywhere from $0.50 to $2.50 per square foot for basic asphalt-based underlayment installed by a professional roofer. The type of underlayment you choose, such as synthetic or self-adhering, will also impact the overall cost.
It's important to get quotes from local roofing contractors to get an accurate estimate for your specific project, as prices can fluctuate based on material costs, labor rates, and other factors in your area. Proper installation of underlayment is crucial for protecting your roof, so it's best to have a professional handle this task rather than attempting a DIY approach.