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Additions & Exteriors

Grow your home and protect it. From full home additions to siding, decks and porches, Harty builds and repairs the outside of your home with the same care we bring inside.

Additions

Home Additions

Need more room? Add it the right way, properly planned, permitted and built to blend seamlessly with your home.

Room & Home Additions

Bump‑outs, new rooms, second‑story and full additions, engineered and built to match your home, managed by one accountable team from plan to finish.

Whole‑Home Projects

Big vision? We’re full contractors, we can take on major projects, even build the whole house.

Exteriors

Siding, Decks & Porches

Curb appeal and protection, new builds and expert repairs for the parts of your home that face the weather.

Siding

Durable, great‑looking siding that transforms curb appeal and shields your home from the elements.

Decks, New & Repair

New deck construction and repairs to existing decks, safe, solid outdoor living built to last.

Porches, New & Repair

Welcoming new porches, and repairs that bring tired ones back to life.

Our Process

Built to last, done right

1

Design & Permits

We plan the addition or exterior work and handle permits where they’re needed.

2

Build

Solid framing and quality materials, installed by our own experienced crew.

3

Finish & Seal

Weather‑tight, clean finishes that protect your home and look great.

4

Walkthrough

We clean up and review the finished work with you.

FAQ

Additions & Exteriors Questions

Can you really build a whole addition, not just repairs?

Yes. Harty is a full contractor. We handle everything from small deck repairs to full home additions, and we can build the whole house.

Will an addition match my existing home?

That’s the goal. We plan additions to blend with your home’s roofline, siding and style so it looks like it was always there.

Do you repair existing decks and porches?

Yes, we build new decks and porches and repair existing ones to make them safe and solid again.

Are you licensed and insured?

Yes, licensed NJ Renovation contractor, fully insured, BuildZoom score 91 (top 37% of NJ contractors).

Grow & protect your home

Free estimates. Honest timelines. One local team, planning to finish.

Get a Free Estimate › Call 856‑223‑9129 ›