When it's time to get help with home improvement projects, you need to find the right person for the job. Just as no two houses are alike, no two General Contractors are alike either. SJN Construction is owned by Steve Nelson, General Contractor. Steve brings over 30 years of experience to your job site and has acquired extensive knowledge of the unique working conditions in Tuolumne and Calaveras Counties. You need a General Contractor with experience specific to this area. For more than 30 years, SJN Construction has been helping home owners in Tuolumne and Calaveras County realize their home improvement goals. You can expect clear communication and professional results on any of your projects. .