Home Additions

Home Additions in Maryland & Southern Pennsylvania

Creating more room for the life you love across Harford County and beyond

A well-designed home addition allows you to grow with your home—without leaving the place you love. Whether you’re dreaming of an in-law suite, a bright sunroom for long summer evenings, or a converted garage, our experienced home addition contractors in Maryland and Southern Pennsylvania help you design a space that feels like it has always been part of your home.

Every residential addition we build is fully customizable, thoughtfully planned for comfort, and constructed to last.

Since 2006, Christopher Homes has proudly delivered custom home upgrades throughout Harford County, Baltimore County, Cecil County, Carroll County, and Southern Pennsylvania, providing high-quality home remodeling and addition services tailored to each homeowner’s needs.
Learn more about our team and experience.

Expand Your Home with Expert Home Additions

From sunrooms and in-law suites to home offices and custom additions, Christopher Homes designs and builds spaces that add comfort, style, and lasting value.

Home Addition Contractors Near Me

Homeowners across Maryland and Southern Pennsylvania have discovered how a thoughtfully designed home addition can transform everyday living. Living space additions provide the room and flexibility you need while allowing you to stay rooted in the community you love.

Families come to Christopher Homes looking for:

  • More space for growing families
  • Private in-law suites for aging parents, extended stays, or short-term rentals
  • Dedicated home offices for remote professionals
    Increased comfort, functionality, and long-term home value

At Christopher Homes, we’ve spent years helping homeowners with modern home remodeling through custom additions that look and feel original to the home. Each project is designed around how you live today while adding lasting value for the future.

home builders

Every home is unique—and so is every homeowner. That’s why every addition we design is customized to your property, lifestyle, and long-term goals. From garages and in-law suites to sunrooms and screened-in porches, we help families plan and build home additions in Maryland and Southern Pennsylvania that truly fit.

If you’re searching for home addition contractors near you, Christopher Homes is a trusted local design-build partner for remodeling and additions.

In-Law Suites (ADUs)

An in-law suite creates a comfortable, multi-generational living solution with private space for loved ones. These additions often include a bedroom, bathroom, kitchenette, and separate entrance.

Perfect for multigenerational households, long-term guests, or rental income opportunities, in-law suites make your home more adaptable and functional.
Explore in-law suite and ADU additions.

Garage Additions

A garage addition offers more than parking—it provides storage, protection, and added value. Choose an attached garage that blends seamlessly with your home or a detached structure that creates flexible space for tools, storage, or a loft.

Our experienced garage builders design and construct garages that complement your home’s architecture while meeting your family’s needs.

For design standards and safety requirements, we adhere to the Maryland Building Standards & Codes, ensuring every garage addition is built for long-term durability and compliance.

With more homeowners working remotely across Maryland and Southern Pennsylvania, a home office addition is one of the most valuable upgrades you can make.

We design quiet, light-filled workspaces with soundproofing, built-in storage, cabinetry, and optional private entrances—ideal for focused workdays and video calls.

The balance of rural and suburban living throughout the region creates the perfect environment for productive, stress-free work-from-home routines.
Learn more about custom home office additions.

Outdoor living additions in Maryland homes

Outdoor Living Additions

Enjoy Maryland’s changing seasons in comfort with an outdoor living addition. From screened-in porches and covered patios to custom decks, pergolas, and sunrooms, these spaces extend your home while keeping you connected to nature.
View our outdoor living and sunroom additions.

Functional Additions

Sometimes the most meaningful improvements are the most practical. Our functional home additions include mudrooms, laundry rooms, workshops, home gyms, and storage spaces designed to improve organization and daily flow.

From busy families to hobbyists needing extra room, these additions make everyday living easier and more efficient.

Other Custom Home Additions

We also design and build:
• Bump-outs
• Basement conversions
• Expanded living rooms
• Sunrooms

Our home addition contractors in Maryland help you evaluate your property, explore creative options, and develop a design that maximizes space and value.

If you’re searching for experienced home addition contractors near you, Christopher Homes delivers custom home improvement solutions trusted throughout Maryland and Southern Pennsylvania.

Home Additions – Your Questions Answered

How does the home addition process work with Christopher Homes?
The process begins with a personal consultation where we listen to your goals, ideas, and budget. From there, our team handles design, planning, permitting, and construction while keeping you informed every step of the way.
Learn more about our approach on the About Us page.

We use the same high-quality materials found in our full-custom homes, including durable roofing, siding, masonry, windows, trim, flooring, and finishes selected to match your existing home. Every addition is built for durability, comfort, and visual harmony.

Yes. We carefully study your home’s architecture, proportions, and materials, then source complementary finishes so the new addition blends seamlessly with the original structure.

Timelines depend on size and complexity, but every project is carefully planned to stay on schedule and within budget. Once we meet, we provide a clear timeline and next steps.

Yes. We guide homeowners through zoning, building regulations, setbacks, and inspections to ensure full compliance and a stress-free process.

Contact Your Local Home Addition Experts Today

If you’re dreaming of a residential expansion or exploring room addition ideas, the team at Christopher Homes is here to help—delivering craftsmanship, care, and clear communication from start to finish.

Content Review and Trust Statement

This page has been reviewed and approved by Chris Olszewski, President of Christopher Homes, Inc.
MHBR License #5184 | MHIC License #130660

With more than 35 years of hands-on experience in home building, remodeling, and residential construction management, Chris ensures the information presented here is accurate, current, and aligned with industry standards and local regulations.

This content reflects our commitment to expertise, authority, and trust for homeowners throughout Maryland and Southern Pennsylvania.

For more information on data protection, please refer to our Privacy Policy
Last updated February 11, 2026.