The best roofers in Ottawa, IL
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#1Boss Roofing of Ottawa
Roofers, Ottawa, IL
5.0 stars1 reviews
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#2Lawrence M Haan Roofing
Roofers, Ottawa, IL
5.0 stars1 reviews
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#3Leon Builders, L.L.C.
Roofers, Ottawa, IL
4.7 stars13 reviews
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#4Mayou Roofing
Roofers, Ottawa, IL
4.4 stars14 reviews
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#5McConnaughhay & Sons Roofing Inc.
Roofers, Ottawa, IL
4.3 stars10 reviews
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#6H & S Contracting Inc
Roofers, Ottawa, IL
3.6 stars11 reviews
How the order is set: in each area and niche, the highest Google rating among businesses with at least 25 Google reviews comes first, a tie goes to more reviews, and businesses with fewer reviews follow. The first card is the Gold Standard Pick. Ratings, reviews and contact details are from our own scan of the area. Nobody can pay for a place. Updated November 15, 2026.
The Gold Standard Directory by The Algo Vision.