New Providence, NJ, Home Addition Services

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Are you feeling frustrated with your home’s lack of space but dreading the thought of moving? Many homeowners outgrow their homes due to changing needs—whether it’s a growing family, the need for a home office, or simply a desire for more functional space. The thought of selling, packing, and relocating can be overwhelming. Fortunately, a home addition can be the perfect solution, allowing you to create the space you need without uprooting your life.

At SEI Construction, Inc., we specialize in designing and building home additions that seamlessly integrate with your existing structure. With over 30 years of experience, we understand that a home addition is more than just extra square footage—it’s about enhancing your lifestyle while preserving the character of your home.

Popular Home Addition Services Include:

Room Additions

Second-Story Additions

Kitchen Extensions

Bathroom Additions

Garage Conversions

Sunrooms and Conservatories

Garage conversion exterior

Comprehensive, One-Stop Home Addition Services

Choosing the right contractor for your home addition is crucial.

At SEI Construction, Inc., we offer an all-inclusive approach, handling every aspect of your project from start to finish.

Our team includes architects, designers, and specialty trades, ensuring a seamless and efficient process. We manage everything, including:

Securing permits and adhering to zoning laws

Collaborating with architects and designers to create a cohesive plan

Using high-quality materials tailored to your project

Employing expert electricians, plumbers, and other skilled tradespeople

Providing transparent communication and budgeting throughout the process

Why Choose SEI Construction, Inc. for Your Home Addition?

When you work with us, you’re not just hiring any general contractor—you’re choosing a team dedicated to excellence.

Our process ensures:

Clear and Open Communication

We keep you informed every step of the way.

Fixed Pricing & Detailed Proposals

No hidden fees or unexpected costs.

A Handpicked Team of Specialists

Electricians, plumbers, and tradespeople who share our commitment to quality.

Project Management Excellence

We stay in constant contact with all team members to keep the project on track.

Quality Materials & Craftsmanship

We use only the best materials to ensure durability and aesthetics.

Owner Involvement & Inspection

Every project concludes with an inspection by our company’s owner, Mike Rizzo, ensuring superior quality.

bathroom addition

Experience the SEI Difference

SEI Construction, Inc. has been a trusted name in New Providence, NJ, for decades. Our credentials include:

Licensed Contractor in the State of New Jersey

Nearly 40 years of experience in remodeling and home additions

Excellent reviews from satisfied clients

Accredited by the New Jersey Better Business Bureau

Fully insured (Workers Compensation, General Liability, Umbrella Policies, and Auto Insurance)

A Reputation Built on Quality & Customer Satisfaction

Our clients trust us because we prioritize craftsmanship, communication, and integrity in every project.

But don’t just take our word for it:

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Schedule Your Free Home Addition Consultation & Project Quote

Fill out the form below to have a team member contact you about your home addition project.

We are located in Westfield, NJ, and our services are limited to surrounding townships in and near Union County, NJ.

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New Providence, NJ, Remodeling Services

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