Home Addition Construction in Hillsborough, NJ

Grosso Homes builds home additions for homeowners across Hillsborough, Princeton, Howell, and the Jersey Shore.

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A completed two-story home addition on a residential property in Hillsborough, New Jersey, showing new framing and exterior siding matched to the existing structure. The addition extends the rear of the home with a roofline that aligns with the original construction.

Expert Home Addition Construction in Hillsborough, NJ

Grosso Homes is a family-run general contractor serving homeowners across Hillsborough, Belle Mead, Princeton, Howell, Point Pleasant, Brick, Manasquan, Spring Lake, Rumson, LBI, and Seaside. We build home additions that add real living space without disrupting the rest of your home. Whether you need a first-floor expansion, a second-story addition, or a new room off the back of the house, we plan and build it to match your existing structure. Homes across Somerset County and the Jersey Shore vary widely in age, lot size, and setback requirements. We account for those local factors from the start, so the work moves forward without surprises. Three generations of our family have built in this region, and we treat every addition as a permanent part of the home. If you are ready to add space in Hillsborough or anywhere in our service area, call Grosso Homes to talk through what you have in mind.

What's included

  • Added square footage increases your home's resale value in competitive markets like Princeton and Rumson
  • New living space is designed to match your home's existing roofline, siding, and interior flow
  • A properly built addition keeps your home's structure sound, including load-bearing walls and foundation support
  • Expanding your current home avoids the cost and disruption of moving to a larger property
  • Additions built to current New Jersey energy code reduce long-term heating and cooling costs
  • Three generations of family ownership means consistent workmanship and accountability on every project
Family Run Business
Built on Referrals
Three Generations of Builders
Custom Home Specialists

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Home Addition Construction FAQ

Common questions about home addition construction in Hillsborough, NJ.

Yes, we review your lot's setback and zoning requirements before any work begins. Hillsborough Township has specific yard setback rules that affect where an addition can be placed, and we plan around them from the start.

Yes, Grosso Homes builds additions in Point Pleasant, Brick, Seaside, Manasquan, Spring Lake, LBI, and Rumson. Shore-area homes often have unique lot constraints and flood-zone considerations, and we factor those in during planning.

We build first-floor room additions, second-story additions, rear bump-outs, and multi-room expansions. Each addition is designed to connect naturally with your existing home in Princeton, Howell, or wherever you are located.

Yes, we design the addition to match your home's current exterior and interior details. That includes roofline pitch, exterior finish, and interior transitions so the new space feels like it was always part of the home.

Yes, Grosso Homes is a three-generation family business based in Hillsborough, New Jersey. The same family has been building and improving homes across Central New Jersey and the Jersey Shore for decades.

Call Grosso Homes directly to describe the space you want to add and the property you are working with. We serve Howell, Hillsborough, Princeton, Belle Mead, and all surrounding communities from the Shore to Somerset County.

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Hours

  • Monday 7:00 AM - 6:00 PM
  • Tuesday 7:00 AM - 6:00 PM
  • Wednesday 7:00 AM - 6:00 PM
  • Thursday 7:00 AM - 6:00 PM
  • Friday 7:00 AM - 6:00 PM
  • Saturday 8:00 AM - 5:00 PM

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