J-sek Construction

J-sek Construction, founded in 2010 and based in Oak Lawn, IL, is a family-owned contractor specializing in residential remodeling and home additions. The company manages projects ranging from one-day or half-day tasks to full-scale renovations and additions. Most construction is completed in-house, with subcontractors engaged for larger scopes when needed.

J-sek Construction provides custom design and architectural services and coordinates the process from planning and permitting through final completion. Capabilities include interior and exterior remodeling, layout changes, structural work associated with additions, and related finish upgrades. Emergency services are available for urgent residential needs.

By combining design, permitting, and construction under one provider, the firm offers a single point of coordination and helps homeowners navigate code requirements and inspections throughout the project.