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Winni Construction is a full-service construction company specializing in building custom homes, additions, renovations, site work, and septic system installation in the New Hampshire Lakes Region. With 85 years of experience, we pride ourselves on providing personalized service and expertly handling every aspect of each project. From operating heavy equipment to finish carpentry, our clients take comfort in knowing an owner will be on site to ensure their project meets their every specification. We serve the scenic "Golden Pond" region and surrounding areas, and our family-owned and operated business is committed to responsible stewardship construction practices.