The answer to the cost to replace a ridge vent in your area will depend on several factors, but you can typically expect to pay anywhere from $200 to $500 for the job. The exact cost will depend on the size and complexity of your roof, the materials needed, and the labor rates in your local market.
Some key factors that influence the cost include the length of the ridge vent, whether you need to replace any underlying roof decking or supports, and the accessibility of the ridge vent location. Hiring a licensed and insured roofing contractor is highly recommended to ensure the work is done properly and safely.