Building Trust, One Project at a Time

Contact Info

OUR PHONE:

(908) 583-4456

Home Additions in New Jersey

Expert home additions in New Jersey. Add space, value, and comfort to your home with HZ Builders Additions, rooms, extensions, second floors, garages & more. Free estimates.

showcase

we will help you to build a dream

01.
Reliable & On-Time Delivery
02.
Adherence to Timeliness and Responsibility
03.
Solutions Designed For Your Home
HZ Builders

Home Additions Built to Elevate Your Space & Your Lifestyle

ABOUT OUR ADDITION SERVICES

At HZ Builders LLC, we transform houses into brighter, more functional, and more valuable homes.
We specialize in residential home additions that blend seamlessly with your existing structure—enhancing both comfort and curb appeal.

Our team handles the entire process for you:
from architectural design, permits, and structural engineering, all the way to premium finishes and final details.
Every project is guided with precision, transparency, and a genuine commitment to creating spaces that truly improve your family’s lifestyle.

When you need more room, we don’t just build walls…
we build new possibilities for your home.

OUR ADDITION SPECIALTIES

Home Addition Services

Add more space, comfort, and value to your home with custom-built additions designed to blend seamlessly with your existing structure.

01 • Add Space

Room Additions & Expansions

Create the extra space your family needs with new bedrooms, home offices, family rooms, or expanded living areas tailored to your lifestyle.

More Info
02 • Build Up

Second-Floor Additions

Add significant square footage by building up, not out—perfect for growing families needing more space without losing the yard.

More Info
03 • Open Living

Kitchen Extensions & Open Concepts

Expand your kitchen and open your floor plan for brighter, more social spaces designed for cooking, hosting, and everyday living.

More Info
04 • Retreat

Master Suite Additions

Create a private retreat with a spacious bedroom, walk-in closet, and a spa-inspired bathroom designed for everyday luxury.

More Info
05 • Light & Views

Sunrooms & All-Season Rooms

Add natural light and year-round comfort with custom sunrooms and all-season rooms perfect for relaxing and connecting with nature.

More Info
06 • Transform Space

Garage Conversions

Transform unused garage space into a functional living area such as a guest suite, home office, gym, or studio—adding value and flexibility.

More Info
HZ Builders

Ways We Work

Home Assessment & Space Planning

We start with a detailed in-home evaluation to understand your goals, available space, and how the new addition can enhance your lifestyle.

Architectural Design & 3D Layouts

Our team creates tailored blueprints and 3D renderings that ensure your new space blends seamlessly with your home’s structure and aesthetics.

Transparent Proposal & Permit Handling

You receive a clear proposal outlining scope, materials, timeframe, and costs—plus we handle all permits and approvals for a smooth start.

Structural Construction & Project Supervision

From foundation work to framing and finishing, our skilled builders manage every stage with precision, safety, and consistent communication.

Quality Assurance & Final Inspections

We carry out thorough inspections throughout the project to ensure your addition meets our high standards and aligns with your expectations.

Turnover & Homeowner Satisfaction

We walk you through your completed addition, making sure everything is perfect before the final handover, your satisfaction is our priority.

HZ BUILDERS

Custom Decks Built With Precision, Strength & Style

At HZ Builders, we transform outdoor spaces with beautifully designed, durable, and custom-made decks. From composite materials to classic lumber, every deck is engineered for longevity, beauty, and comfort — creating the perfect outdoor area for your home.

Project Planning 95%
Construction Management 90%
Deck Remodeling 99%
Custom Deck Add-ons 100%
HZ Builders Deck Video

[ WHAT PEOPLE SAY ]

Reviews from Our Clients

P

Paul Gelormino

★★★★★ • 1 week ago • New
Henry came out and replaced a rotted sill plate in my home and I could not have been more happy with the work; a true professional. He came same day for an estimate and started the next day. Sent progress pics and left the area cleaner than he found it. I would definitely recommend.
HZ Builders LLC (Owner) — 31 weeks ago
Thank you brother.. much appreciated
S

Siani Bent

★★★★★ • 8 weeks ago
Henry did an amazing job on my back porch! I love his work and will definitely be using him again in the future! (Linda Lewis, Trenton)
HZ Builders LLC (Owner) — 8 weeks ago
Thank you..
J

Jose Parra

★★★★★ • 13 weeks ago
Henry did a great job sistering a structural joist on my main floor. I am happy with the work he did. Thanks Henry!
HZ Builders LLC (Owner) — 12 weeks ago
Thank you.
A

Andrew Sharp

★★★★★ • 13 weeks ago
Henry did a nice job on our interior stairs, fast and neat. I'd recommend him.
D

Donald Sarcone

★★★★★ • 20 weeks ago
Reliable, punctual and excellent craftsmanship! Will definitely use his services again.
M

Marco Zambonino

★★★★★ • 20 weeks ago
All work was done in a timely manner and with a professional attitude. Friendly with no delays. I highly recommend HZ Builders.
L

Lynn Ruezinsky

★★★★★ • 23 weeks ago
Very helpful. Henry was quick to respond to my request and did good work. I would definitely hire him again.
B

Bob Holliday

★★★★★ • 24 weeks ago
I needed some joists repaired in preparation to sell my house. Henry replied quickly, completed the work within my timeline and at his original budget.
HZ Builders LLC (Owner) — 24 weeks ago
Thank you..
⭐ ⭐ ⭐ ⭐ ⭐ Review Us on Google

Get a Free Quote

Fill out your details and send us your project request directly.

📩 Message Preview:
Hi, I’m [name]. I’d like a quote for [service]. You can reach me at [email] or [phone]. [message]