Home Additions in South Brunswick by The5thwall

Residential · South Brunswick, NJ

Home Additions in South Brunswick

Licensed NJ contractor serving South Brunswick and Middlesex County. Father-and-son team. No subcontracted labor.

4.9

Average customer rating

Across all projects in Mercer County and surrounding areas.

NJ

Licensed & insured

NJ HIC registered — fully bonded, $2M general liability.

5+

Years serving Central NJ

Including South Brunswick and Middlesex County.

Overview

Home Additions in South Brunswick — for homeowners in Middlesex County, built by a team that lives here.

South Brunswick is a sprawling township that bridges Middlesex and Mercer counties, featuring a mix of established neighborhoods in Monmouth Junction, Kendall Park, and Kingston, alongside newer developments along Route 1. The township grew rapidly in the 1980s and 1990s with planned communities like Princeton Walk and Brunswick Acres, offering colonials and contemporary homes that appeal to NYC commuters using the NJ Turnpike and Route 1 corridors.

South Brunswick's newer housing stock means renovation needs focus heavily on builder-grade upgrades: laminate-to-quartz countertop swaps, basic tile replaced with custom shower systems, and dated oak cabinetry refinished or replaced. Kingston and Monmouth Junction have older homes that require more substantial work — bathroom additions, kitchen expansions, and roof replacements. The township's proximity to Princeton keeps property values strong, justifying renovation investment.

Scope of work

Every additions project covers the full scope — start to finish.

One contractor pulls every trade under one roof — design, demolition, rough-in, finish, cleanup. You deal with the owners. No coordinating subs, no finger-pointing, no surprise line items.

Included

  • Room addition planning, framing, and finish work
  • Garage additions and garage conversions
  • Sunroom and four-season room construction
  • Foundation, footings, structural framing, and roof tie-ins
  • Siding, window, door, insulation, HVAC, electrical, and finish coordination
  • NJ permit applications, inspections, and code-compliant construction

Investment

What a additions project costs.

Three investment tiers, based on scope and finish level. Every estimate is custom — these are the ranges most clients land within.

Essential

Quality craftsmanship for everyday upgrades

$15K - $40K

What's included

  • Single-room renovations
  • Standard material selections
  • Licensed & insured crew
  • Project management included
  • 1-year workmanship warranty
  • Permit handling
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Premium

Elevated finishes for the modern home

$40K - $100K

What's included

  • Multi-room renovations
  • Premium material selections
  • 3D design visualization
  • Dedicated project manager
  • 2-year workmanship warranty
  • Permit handling
  • Weekly progress updates
  • Flexible payment schedule
Get a Free Estimate

Elite

Full-scale transformations without compromise

$100K+

What's included

  • Whole-home renovations
  • Designer-grade materials
  • Full architectural planning
  • Senior project manager
  • 5-year workmanship warranty
  • Permit handling
  • Daily progress updates
  • Priority scheduling
  • Post-project walkthrough
Schedule a Consultation

The process

Five steps, start to handover.

01

Consultation

A site visit, measurements, and an honest conversation about scope. No pressure, no obligation.

02

Design & estimate

We return with a detailed plan, material selections, and an itemized estimate. You see exactly what the project is — and exactly what it costs.

03

Contract & permits

One contract, line-itemed. We pull every permit required by NJ code. Your project starts with compliance handled.

04

Build

Our crew works on site, one point of contact throughout. Daily cleanup, weekly progress reports, no crew rotation.

05

Handover

A walkthrough of every detail together. Nothing closes until you're satisfied. Workmanship warranty begins the day you sign off.

Next step

Begin your additions consultation in South Brunswick.

We're based in Lawrence — minutes from South Brunswick. Site visits typically scheduled within a week.

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