Home Additions Create an Entrance You'll Be Proud to Come Home To

Home Additions in Bergen County

Name: PJ Sullivan Exteriors
Address: 192 Greenwood Ave.,, Midland Park, NJ, 07432
Telephone: (201) 857-0600

Plan Your Addition With 3D Exterior Design

An addition has to do more than add square footage. Its roofline, siding, windows, doors, trim, drainage, and proportions need to relate to the existing house. Whether you’re expanding outward or building upward, those connections should shape the design from the beginning.

We approach Bergen County home additions through an exterior-focused design-build process. Our 3D home design capabilities let you review renderings and plans, consider material transitions, and participate in design decisions before construction begins.

Start planning your addition with a coordinated exterior vision. Call (201) 857-0600 to schedule a consultation with our team.

Design-Build Planning With 3D Visualization

Founded in 2006, PJ Sullivan Exteriors brings design and construction together in one coordinated process. We use 3D design to show how a proposed addition relates to the existing home, giving you a clearer basis for refining roof forms, window placement, materials, and architectural details.

Your priorities guide the process. We discuss how the new space should function, the character you want it to have, and how it should connect visually to the original structure. Depending on the project scope, our exterior services include roofing, siding, trim, windows, doors, porches, decks, and stonework.

How We Coordinate the Addition Exterior

An addition can feel disconnected when its visible components are planned independently. We consider the exterior as a complete composition, paying particular attention to where new construction meets the original house.

Key exterior details include:

Roofline Integration: Roof pitch, intersections, flashing, and water management require careful coordination with the existing roofing.
Siding Transitions: Profiles, colors, exposure, and material availability influence how old and new wall surfaces meet.
Window and Door Design: Openings should relate to the home’s proportions, natural-light goals, circulation, and visual rhythm.
Trim and Complementary Materials: Cornices, surrounds, stonework, porch details, and other finishes can carry established architectural elements into the addition.

We work with leading material manufacturers and emphasize quality, craftsmanship, and durability. Existing conditions, lot constraints, structural requirements, material availability, and municipal review may also shape design decisions and construction sequencing.

Top 550 Recognition and GAF-Certified Roofing

PJ Sullivan Exteriors appeared on Remodeling Magazine’s Top 550 list from 2012 through 2019 and has received Best of Houzz awards for multiple consecutive years. We’re also a GAF-certified roofer and a nationally ranked exterior replacement company.

That experience informs the details that make an addition feel intentional rather than attached as an afterthought. Our personalized process gives you a direct role in shaping the design while we keep roofing, cladding, openings, and architectural finishes in view.

Common Home Addition Design Directions

The form of an addition changes how it connects to the house and property. Each approach raises different questions about exterior design, circulation, structural review, and site planning.

Common residential addition concepts include:

Ground-Floor Extensions: These additions can expand kitchens, family rooms, dining areas, offices, or primary living spaces. Planning typically considers foundations, site layout, roof connections, and exterior access.
Second-Story Additions: Building upward can add substantial living area without extending the home’s footprint. The existing structure, stair location, roof reconstruction, and overall exterior proportions require evaluation.
Bump-Out Additions: A smaller extension can address a focused space need, but its foundation, roof connection, windows, siding, and trim still need to integrate with the house.
Connected Living Areas: An in-law suite or similar space may call for decisions about privacy, circulation, natural light, mechanical systems, and the relationship between new and original rooms.

Planning Considerations Before Construction

Requirements vary by municipality and property. Zoning, setbacks, lot coverage, and impervious-surface limits may affect feasibility, while structural conditions, site access, permits, and inspections can influence the project plan. A historic property or home in a regulated district may also require review of how the proposed addition relates to its architectural character.

Cost and schedule depend on the addition type, existing conditions, material selections, weather, permit review, and the extent of interior and exterior work. Before work starts, the scope should identify the included design, engineering, permit, construction, exterior, and interior responsibilities. It should also note any work assigned to architects, engineers, municipalities, or specialty trades.

What to Discuss During an Addition Consultation

A productive consultation starts with the problem the new space needs to solve. Bring your priorities for function, architectural character, materials, project boundaries, and decision-making to keep the discussion focused.

Important points to clarify include:

How the proposed space should connect to existing rooms and outdoor areas.
How roofing, siding, windows, doors, trim, and drainage will transition between old and new construction.
Which services are part of the proposed scope and which responsibilities belong to outside professionals or local authorities.
Which existing conditions or site limitations need further evaluation before the design advances.

Start With a Clear Addition Plan

Our exterior-focused process combines 3D visualization with coordinated planning for the roof, siding, windows, doors, and architectural details. Schedule a consultation to discuss the space you want to create, your design priorities, and the project boundaries that should be defined before work begins.

Call (201) 857-0600 to discuss your Bergen County home addition with PJ Sullivan Exteriors.

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Read Our Five-Star Client Reviews

Peter was very helpful with deciding what products we used and what color schemes would look best for our project.
“I would definitely use Peter and his company again for any future projects.”

- Sherappa S.
Pete is a pleasure to work with, and all of his work, and the work of his team, is top quality. His design suggestions are always insightful.
“I hired Pete Sullivan more than three years ago to help replace a small section of siding on my suburban house in New Jersey. Since then, he has not only replaced all the siding and roofing on my house, but completely renovated the entire interior, a multiyear job that included moving many walls, installing new tiles for the entire first floor, completely renovating the kitchen, and building a new gas fireplace and a custom cabinet for a TV lift. He most recently finished renovating a second floor bathroom. Pete is a pleasure to work with, and all of his work, and the work of his team, is top quality. His design suggestions are always insightful. Our next project is to install updated heated and cooling systems, as well as a solar collector.”

- Jason F.
Cannot Recommend Them Enough
“From day one he provided clear details regarding all aspects of the renovations and kept to the completion deadline. His crew was professional and the workmanship was amazing!”

- Former Client
He is exceptional, honest, and has the customer in mind when making suggestions.
- John G.

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Why Choose Us?

Experience Exceptional Service

Industry Recognition

We've been acknowledged for excellence by leaders in the field, nationally ranked for exterior replacement, and rated highly by satisfied clients.
Personal Attention

Each client receives one-on-one attention through the entire process. Our vendors are hand-picked and the best in the business.
Your Project is Our Project

We maintain a consistently high level of professional care and responsibility in each project, and guarantee all of our work to be of exceptional quality.
Unparalleled Style

Our style is as unique as our clients are. With each new client, your luxury dreams become reality. You can expect a timeless style that will outlast today’s trends.