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Best Home Addition Contractors in Baltimore

16 Min Read


Maryland’s most populous city, Baltimore, is a large city that boasts excellent museums, a bustling seaport, pavilions, shops, and many other attractive amenities. This attractive city has many vibrant communities that bring life to Baltimore and draw in many. As the city grows, so do its residents and their families; to help find the best contractor for you, our editorial team has compiled a list of the best home addition contractors in Baltimore, Maryland. These contractors were chosen based on their expertise, awards, and customer feedback.

Top Home Addition Contractors

Pyramid Builders

2 Womack Dr., Annapolis, MD 21401

About Pyramid Builders

Pyramid Builders was established in 1985 by Bret Anderson, with the vision of building custom homes of extreme quality. With more than three decades of experience constructing homes, Pyramid Builders offers architects and homeowners a trusted partner in the great craft of homebuilding. They provide their clients with the best possible methods, materials and craftsmanship and have a team of more than 70 artisans and building professionals who support each project.

For over 36 years, the firm has earned countless awards including the Grand Prize in Custom Home Building, and First Place for Excellence in Custom Home Remodeling, which were awarded for the 2021 Builder & Fine Design Awards by Annapolis Home Magazine. Additionally they were awarded the 2020 Designers’ Choice Awards for Custom Building and the 2018 Project of the Year from Home & Design Magazine. They have also garnered several sought after awards from the National Kitchen + Bath Association (NKBA) and the American Institute of Architects (AIA) as well as receiving a Gold Leed Certification from the Green Building Council for their Acton Cove Project. Learn more about them at

Featured Projects

A prime example of Pyramid Builders’ work is Mass Avenue Heights. This is a premium residential home with tons of space and carefully picked materials and furniture. The color palette itself takes on a hue similar to beige, giving the place a relaxing atmosphere. The project itself made three new stories for the house, including all interior and exterior services.


T.W. Ellis, LLC

2243 Rock Spring Rd., Forest Hill, MD 21050

About T.W. Ellis, LLC

Changing a home can be tricky. That’s why the experts at T.W. Ellis are trained to guide clients to maximize the potential of their homes. When it comes to home and tenant improvements or home additions, the firm is one to get the job done.

Featured Projects

Despite having only 19 years of service, the firm has proved to be one of the best when it comes to home additions. Here is an example of one home addition project that earned an award. This farmhouse remodel and second story addition was completed for the client’s passion for cooking and space. With the help of T.W. Ellis, the clients now happily live in a spacious kitchen, with even more space and a suite on the new second floor. This project earned the 2016 Award of Excellence.

Greenleaf Construction

3000 Chestnut Ave. Suite 111, Baltimore, MD 21211

About Greenleaf Construction

Greenleaf Construction takes pride in making comprehensive approaches when dealing with each client’s project. With the firm’s talented team of craftsmen, clients can rest assured that their home renovation/addition problems will be resolved.

As a testament to the firm’s service, it has been accredited by associations such as the National Association of Home Builders (NAHB), NAHB Remodelers, and the U.S. Green Building Council (USGBC). It has also been featured in publications such as Baltimore Magazine and The Business Journals.

Featured Projects

Shown above is the Primary Suite Addition in Roland Park. A magnificent bathroom was created over a first-floor space in this second-story primary suite addition with access to it through a new doorway from the bedroom. The firm incorporated a standing seam metal roof and blended copper gutters into the original slate roof of the main house. To preserve its historic build, its historic trim, doors, and flooring were repaired.

Owings Brothers Contracting

5340 Enterprise St., Sykesville, MD 21784

About Owings Brothers Contracting

Owings Brothers Contracting is an expert contractor of residential homes. The firm specializes in most (if not all) aspects of building and designing a residential home, including home innovations, improvements, and additions. From building an extra space to expanding and designing existing home plans, the firm has what it takes to give its clients the guidance and expertise to bring them what they want and need.

Featured Projects

This certified green professional takes on projects of varying complexity and budget and can deliver exceptional results. Such is the Family Home Room Addition, an expansion for a growing family in Ellicott City. The original design was meant to give the family separate spaces in the home, but the eventual solution increased family interaction.

Byrd Design and Build

6109 Falls Rd., Baltimore, MD 21209

About Byrd Design and Build

For Byrd Design and Build, creating an immersive experience unique to each client is one of its driving forces. It ensures that each client goes through a personalized set of phases in order to fully bring out their desires when concerned with the home addition services. As such, publications like Dwell have recognized Byrd Design and Build, and several satisfied clients have also testified for its quality work. It has also earned multiple awards like Remodeling 550 and Pro-Remodeler – Forty Under Forty.

Featured Projects

This second story addition and renovation is one of the firm’s completed works. This project included the addition of a whole new second floor, the planning of that extended space, and its overall design. Some of the designs include a brand new kitchen area with glossy countertops, wooden shelves, vinyl floors, and a monochrome color palette to accompany it.

Raphael Homes

110 Painters Mill Rd. Suite 205, Owings Mills, MD 21117

About Raphael Homes

Going strong for 25+ years, Raphael Homes has been in service of Maryland and has built quite a reputation for outstanding residential homes and other services linked to it. From the beginning of the construction phase up until the end, the firm concerns itself with organizing even the smallest detail.

The firm has been a favorite when it comes to the Houzz community. It has earned multiple awards from them, publication features and other recognitions. Additionally, Maryland Building Industry Association has regarded Raphael Homes as one of their members, indicating that the firm has completed many purpose-filled years of service.

Featured Projects

This project is a Cape Cod addition and remodel. It has multiple home additions, including the construction of a new garage, as well as more extensions for the second-floor plan. And upon completion, the client indicated that they were more than satisfied with the firm’s services and professional ethics.

F.C. Batton & Son, Inc.

14815 Manor Rd., Monkton, MD 21111

About F.C. Batton & Son, Inc.

Among all the other firms in this list, what makes F.C. Batton & Son, Inc. unique and dependable is the fact that it has more than 119 years of service and experience in the Maryland area. For over a century, it has been honing its skill and craft, adapting to the changing times, and achieving results that just increase with skill over time.

Featured Projects

Above is the Stable Manor Garage, a home addition project for a grand estate owned by the client. The client is a passionate car collector, so this massive garage was truly a treasured gift from the firm. After the addition, the firm also worked in renovating the home’s interior design.

Design Build Remodeling Group of Maryland

1299 Judges Court, Eldersburg, MD 21784

About Design Build Remodeling Group of Maryland

Design Build Remodeling Group has an interesting way of handling its clients by purposely seeking out what’s bothering them. Whether it’s lack of space, a growing family, or simply a design update, they can take care of it. Whatever the reason, the firm knows what to do and how to exceed client expectations.

For its exceptional work, the firm is accredited by the Better Business Bureau (BBB) and has also won the Houzz awards among other recognitions.

Featured Projects

This second story addition is one of the firm’s completed projects. An expansion, the update was centered around the second floor for a fresh image and appeal.

Dream Design Build & Remodeling, Inc.

726 S Beechfield Ave., Baltimore, MD 21229

About Dream Design Build & Remodeling, Inc.

For over 49 years, Dream Design Build & Remodeling, Inc. has been a pioneer in custom home additions of all scales. From small projects including home extensions and bathroom additions to large-scale full-home, multi-level projects, Dream Design Build & Remodeling can do it all.

Featured Projects

One of the Design Build firms completed works; the Symms Addition is an ideal home addition for clients looking to redesign their home for open concept living with plenty of natural light. The project included a two-story master suite addition and full-home renovation with a large kitchen-dining-living area and cathedral ceiling.

James R. Irvine Construction, Inc.

506 Tippin Court, Thurmont, MD 21788

About James R. Irvine Construction, Inc.

James R. Irvine Construction, Inc. is a contractor firm that is primarily based on the philosophy of home transformation. Whether a client needs home additions and renovations for beautiful scenery, or new functionalities, or even for a cost-effective plan, the firm will work with them in order to fulfill their goals.

The firm has been in service for 19 years and since then, it has earned an accreditation from the BBB and is Lead-Safe Certified. It has also received awards like the Pennsylvania Historical Society Award.

Featured Projects

One of the firm’s completed projects is this home addition in Thurmont, Maryland. This project entails the addition and renovation of a wooden-themed home, adding a garage, elevator, and extra bedrooms among other rooms.

G.L. Schnader Jr., Inc.

5103 Harford Rd., Baltimore, MD 21214

About G.L. Schnader Jr., Inc.

Operating for over 70 years now, G.L. Schnader Jr., Inc. has a specialized team led by 3rd generation builders. As such, it has a significant amount of experience and reputation built over several decades. When clients work with the firm, they get three generations’ worth of experience, high-quality skillset, professional employees, and consistency.

Featured Projects

Since the firm was founded, it has been recognized by several publications. These publications include the Baltimore Sun, Washington Post, and U.S. News. A great example shown above is the compatible addition project. It includes a renovation and addition project to suit the home for both practicality and entertainment.

Ashley Custom Homes

1605 Union Ave., Baltimore, MD 21211

About Ashley Custom Homes

While Ashley Custom Homes specializes in premium construction services and personally tailored custom homes, it also offers smaller-scale projects such as home expansions, the same resources, values, and attention. It consistently offers the greatest level of customer service, regardless of the size of the task. As a testament to its expertise, it has been regarded as the Best of Baltimore back in 2012.

Featured Projects

With over 21 years in the industry, it has worked on a ton of projects, including this smaller one. Featured above is a kitchen renovation and addition project. It has an amazing lustrous countertop, vinyl flooring, wooden shelves, and a tile backsplash for a premium effect.

CGC Builders

11221 Baker Rd., Keymar, MD 21757

About CGC Builders

With nearly 30 years of comprehensive and detailed-oriented service, CGC Builders is driven by individuality and a commitment to quality. They have a strong and effective principle: to construct and customize each home in such a way that it reflects its clients and their purpose.  

CGC Builders is led by hands-on managing member, and licensed builder and inspector, Stuart Colvin. He started CGC Builders in 1993 after a 10-year career as a carpenter and superintendent with several other notable firms in the DMV. With nearly four decades of experience and hard work under his hard hat, he has led his team at CGC Builders to complete over 500 custom jobs including home additions, full renovations, and build-on-your-lot custom homes. His team takes on an obsessive thoroughness with each new project, and successfully brings to life the dream homes and projects of Stuart’s clients.

Featured Projects

This custom home addition completed by CGC Builders in Bethesda, Maryland effectively doubled the livable square-footage of this home. Their expert team was able to add a 2 car garage, dream master suite with ensuite bathroom, and a new laundry room! This project also included a major overhaul and update of the existing kitchen, and major upgrades to the existing living room. 

K & S Construction and Remodeling

15101 Parrish Rd., Upperco, MD 21155

About K & S Construction and Remodeling

K & S Construction and Remodeling has been providing construction and remodeling services to Maryland homeowners ever since it was founded in 2003. It can create spaces that can satisfy the tastes of its clients while also working within the specified budget. It keeps all of these in mind in order to maintain quality homes and services.

Featured Projects

This project completed by the firm is an Upperco home addition in a traditional style. This custom project took on the expansion of the house, adding in two extra bedrooms along with whole-house storage addition.

OzCorp Fine Builders

1216 S Clinton St., Baltimore, MD 21224

About OzCorp Fine Builders

OzCorp Fine Builders has been dishing out exceptional results in the residential market. This has led to several positive client testimonials, as well as publication recognition from publications such as the Baltimore Sun. It has also earned certifications such as from the National Association of the Remodeling Industry (NARI), BBB, and is Lead-Safe Certified.

Featured Projects

This project completed by the firm is a tower addition. This cottage house was worked on by OzCorp to modify the house into a better and bigger home. The addition included adding extra space within the living room and master bedroom, as well as adding a tower on one side of the building. This tower included two full bathrooms.


  • Brooke Adams

    Brooke is a Deputy Editor at Baltimore Architect with around five years of professional experience as a writer and editor in the construction and home improvement space. Her expertise covers a wide range of topics including addition construction, home remodeling, and landscape design. Brooke has a Bachelor's degree in Civil Engineering, and she also brings extensive experience as a project manager for a top construction firm, overseeing multi-million dollar projects. Additionally, she is certified in LEED and OSHA safety standards.  Expertise: Addition Construction, Home Remodeling, Landscape Design  Key Highlights: Over 5 years of experience writing and editing in the construction space, Deputy Editor at Baltimore Architect Education: Syracuse University, Bachelor of Science in Civil Engineering; Certificates in Public Relations and Social Media