Room Addition in Hawthorne, NJ
Add a new room to your home — bedroom, living space, or flex room. Serving Hawthorne and Passaic County.
Get a Free EstimateThe Work
Room Addition in Hawthorne
Add a new room to your home — bedroom, living space, or flex room. In Hawthorne, this work is handled under a single contract with fixed pricing. Colonials, cape cods, and splits across well-established neighborhoods.
Part of our full additions service for Passaic County homeowners. We coordinate all trades, handle permits, and communicate clearly from start to finish. No subcontractors to manage.
How room addition works in NJ →Get Started
Free estimates on all room addition projects in Hawthorne. No obligation.
Request a Free EstimateAvailable Mon–Sat
What It Costs
Additions Costs in Hawthorne
These are the ranges Passaic County homeowners typically pay. Your written price comes after a free site visit and does not change once you approve it.
Price Yours With the Home Addition Cost CalculatorBump-Out Addition (under 200 sq ft)
Cantilevered or shallow-footing extension of an existing room.
$35,000 – $65,000
Single Room Addition
New foundation, framing, roofline, and full interior finishes.
$65,000 – $130,000
In-Law or Primary Suite
Bedroom, bath, and utility connections. May require structural reinforcement.
$100,000 – $200,000
Second Story Addition
Full second floor added to a ranch or cape cod. Engineer review required.
$150,000 – $380,000+
Free Cost Calculator
Price your home addition in Hawthorne first
Enter the size and material and get a NJ price range adjusted for your region, then a firm estimate from a Ridgeline specialist.
Free Estimate
Get a Quote in Hawthorne
Fixed pricing agreed before any work begins. We respond within one business day.
FAQs
Common Questions
Do you offer room addition in Hawthorne, NJ?
Yes. Ridgeline Remodeling Group offers room addition in Hawthorne and throughout Passaic County. We also serve nearby towns including Paterson, Wayne, Glen Rock. Estimates are always free.
What does room addition cost in Hawthorne?
Single Room Addition typically runs $65,000 – $130,000 in New Jersey. Your price depends on size, materials, and the condition of the existing structure. We give a preliminary range by phone and a written fixed price after a free site visit. No surprise invoices.
Does room addition in Hawthorne need a permit?
If the work touches structure, plumbing, electrical, gas, or roofing, Hawthorne requires a construction permit under the NJ Uniform Construction Code. Ridgeline applies for the permit, schedules inspections, and includes the fees in your fixed price.
More Additions in Hawthorne
Second Story Addition in Hawthorne
Full second story additions to expand square footage without losing yard space.
Sunroom Addition in Hawthorne
Three-season and four-season sunroom additions.
In-Law Suite Addition in Hawthorne
Self-contained in-law suite additions with bedroom, bath, and kitchenette.
Master Suite Addition in Hawthorne
Primary bedroom and bath additions for expanded comfort and privacy.
Additions Near Hawthorne
Ready to Start Your Room Addition Project in Hawthorne?
Get a free estimate. Fixed pricing, no surprise invoices.