Damage roof shingles and needs to repair The average cost of roof repairs in New Jersey usually falls between $200 and $6,000, depending on the type of damage, roofing material, labor needs, and how much of the roof is affected.  Small issues like minor leaks or missing shingles are often affordable to fix, while larger structural problems can push costs higher and sometimes make replacement the better option. Homeowners often want a clear answer to two questions: How much wi