Home Additions & Room Extensions in Plainfield, NJ
When your family outgrows your home, moving isn't your only option. Hermes Construction designs and builds seamless home additions and room extensions across Plainfield and Central New Jersey — adding the space you need while matching your existing architecture so the new construction looks like it was always there.
When your family outgrows your home, moving isn't your only option. Hermes Construction designs and builds seamless home additions and room extensions across Plainfield and Central New Jersey — adding the space you need while matching your existing architecture so the new construction looks like it was always there.
Our home addition services include room extensions and build-outs, garage conversions, structural framing, and complete project management from foundation to final paint. We coordinate architects, engineers, and licensed trade partners for plumbing, HVAC, and electrical, so your entire project stays organized under one accountable team.
Every addition begins with a free on-site consultation and a detailed written estimate. We handle all NJ permits, zoning requirements, and inspections, and we keep disruption to your daily life to a minimum during construction. With 16+ years of experience and a 4.9-star local reputation, we deliver additions that expand your living space and increase the long-term value of your home.
Frequently Asked Questions
Do I need a permit for a home addition in NJ?
Yes. New Jersey requires permits for structural work and additions. Hermes handles all permit applications, zoning checks, and inspections as part of our service.
How long does a home addition take?
Most additions take 8 to 16 weeks depending on size and complexity. We provide a realistic timeline in your written estimate and keep you updated throughout.
Can you match my existing home's style?
Yes. We carefully match rooflines, siding, and finishes so your addition blends seamlessly with your current home.
A Better Way to Finance Your Home Improvement
Financing through HFS Financial can help you begin sooner and pay over time. Get personalized loan options with no home equity required, flexible fixed payments, and a simple online rate check.
48 Business Hours
No commitment. Funds are deposited directly to you once your loan closes.
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