Home Additions in Manville by The5thwall

Residential · Manville, NJ

Home Additions in Manville

Licensed NJ contractor serving Manville and Somerset 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 Manville and Somerset County.

Overview

Home Additions in Manville — for homeowners in Somerset County, built by a team that lives here.

Manville is a working-class borough with a strong community identity, situated at the confluence of the Raritan River and Millstone River. The town's housing stock is predominantly mid-century — Cape Cods, ranches, and modest colonials built for the factory workers who once staffed Johns-Manville. These homes are solidly built but often carry original kitchens, bathrooms, and mechanicals that are decades past due for replacement.

Manville homeowners look for contractors who deliver value — quality work at fair prices without unnecessary upselling. Many homes here need practical upgrades: new roofs after decades of NJ weather, kitchen modernization from 1960s layouts, bathroom updates, and basement finishing to add usable space. The borough's flood zone areas along both rivers also require contractors familiar with elevation certificates and flood-resilient construction.

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 Manville.

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

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