Harrisburg Contractor Experts

At O&S Building LLC, we’re proud to help homeowners in Harrisburg, PA improve the way their homes look, feel, and function. Harrisburg has a mix of historic homes, established neighborhoods, and newer properties, so no two projects are exactly the same. That’s why we take the time to understand your home, your goals, and your budget before we recommend a plan.

We know homeowners in Harrisburg want more than just a contractor. You want a team that shows up, communicates clearly, respects your property, and does solid work that lasts. That’s how we run our business. Whether you want to update one room or take on a full home renovation, we’re here to make the process easier from start to finish.

Built for the way Harrisburg homeowners live

Homes in Harrisburg often need smart updates that add comfort, value, and usable space. Some families need a better kitchen layout. Others want to finish a basement, replace old siding, build a deck, or create room for extended family with a home addition or ADU. We help you turn those ideas into a finished space that works for your daily life.

Because we work in this area, we understand the practical needs that come with remodeling in Central Pennsylvania. From weather-ready exterior upgrades to interior renovations that improve flow and storage, we focus on solutions that make sense for your home long term.

Our contractor services in Harrisburg

We offer a wide range of remodeling and construction services for homeowners who want quality workmanship and dependable service.

• Whole-home remodeling
• Home renovations
• Kitchen remodeling
• Bathroom remodeling
• Basement finishing and remodeling
• Garage conversion
• Home additions
• Sunroom addition
• ADU and granny flat construction
• Custom deck building
• Patio construction
• Outdoor kitchen construction
• Siding replacement
• Window replacement
• Door installation
• Interior and exterior painting
• Tile installation
• Hardwood and LVP flooring installation
• Granite and quartz countertop installation
• Custom cabinetry installation
• Permit and design support

Why Harrisburg homeowners choose O&S Building LLC

We believe trust is earned on every job. When you bring us in for your remodeling or building project, you can expect honest communication, careful planning, and attention to detail. We don’t believe in one-size-fits-all work. We listen first, then build around your goals.

• Experienced, hands-on remodeling and construction team
• Clear communication from planning to completion
• Practical solutions that fit your home and budget
• Quality materials and craftsmanship
• Respectful service and clean work areas
• Local company that understands Harrisburg homes

Our goal is simple: deliver finished work that looks great, performs well, and gives you confidence in your investment.

Proudly serving Harrisburg neighborhoods

We serve homeowners across Harrisburg, including Midtown, Uptown, Downtown, Bellevue Park, Allison Hill, Linglestown area homes, and surrounding communities. If you’re in or near Harrisburg, there’s a good chance we can help with your project.

If you’ve been thinking about remodeling your home, building an addition, replacing siding or windows, or upgrading your kitchen, bathroom, basement, or outdoor space, let’s talk. Call O&S Building LLC at (223) 346-0311 to discuss your project and schedule your estimate.