home additions

Real home additions across New York

A quick look at addition projects we build — bump-outs, room additions, second-story expansions, and garage conversions — planned to match your home’s style and improve everyday living space.

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Built to match your home — and add real value.

Need more space without moving? Sonart Construction designs and builds home additions that blend with your existing structure — clean framing, smooth finishes, and a process that keeps your home livable.

★★★★★ 5-Star Rated by Homeowners

Permits & planning handled end-to-end

Licensed & insured in New York

From foundation to final trim — we build additions that feel like they were always part of the home.

Room Additions

Add a New Bedroom, Office, or Family Room

Expand your living space with a well-matched addition that looks and functions like part of the original build — from foundation to trim.

Seamless rooflines, siding, and exterior finishes
Framing, insulation, drywall, flooring, and paint
Ideal for growing families or work-from-home needs

Most popular for bedrooms & offices

Talk About a Room Addition

Room addition construction by Sonart Construction

Second-Story Additions

Go Up When You Can’t Go Out

Add a full level or partial second story with smart structural planning, clean tie-ins, and a layout that makes the entire home feel more open.

Structural evaluation and engineered framing
Staircase planning and code-compliant clearances
Great for adding bedrooms, baths, or a primary suite

Best for tight lots & city homes

Ask About a 2nd Story

Second-story home addition by Sonart Construction

Garage Conversions

Turn Unused Space Into Livable Square Footage

Convert an existing garage into a comfortable room, guest suite, gym, or office — properly insulated, ventilated, and finished.

Insulation, drywall, flooring, and climate control
Electrical and lighting upgrades where needed
Perfect for guest rooms, studios, or remote work

Fast way to gain space (structure already exists)

Plan a Garage Conversion

Garage conversion by Sonart Construction

Bump-Out Additions

Add Space to Kitchens, Baths, or Dining Areas

Small expansions that make a huge difference — add a few feet to open walkways, fit a larger vanity, or create room for a bigger kitchen layout.

Minimal footprint change with maximum impact
Great for kitchens, bathrooms, and breakfast nooks
Exterior finishes matched to your existing home

Common for kitchens & baths

Ask About a Bump-Out

Bump-out home addition by Sonart Construction

Foundation, Framing & Structure

Strong Bones First — So Everything Else Lasts

We build additions the right way: footings, framing, beams, headers, and tie-ins completed cleanly so your new space is safe, straight, and built for decades.

Engineered structural work where required
Weatherproofing and proper exterior integration
Inspections scheduled and coordinated

Handled by experienced builders

Review Your Addition Plan

Foundation and framing for a home addition

Interior Finishes & Final Walkthrough

Move-In Ready Finishes That Match Your Home

From trim and paint to flooring, doors, lighting, and final details — we finish the new space to blend with your existing home, then walk through everything with you.

Drywall, flooring, paint, and carpentry finishes
Electrical, HVAC, and plumbing final connections
Final punch list + cleanup before handoff

Last step before you enjoy the space

Schedule an Addition Consult

Interior finishes and final walkthrough for a home addition

Where Sonart Construction Corp Builds Home Additions

We build home additions that add real space and real value — including rear extensions, dormers, second-story additions, in-law suites, and structural expansions across New York.

Home Additions Line 754-663-2664

Home Extensions

Dormers & Second-Story

In-Law Suites

Structural Expansion

Build Now, Pay Later

Real home additions across New York

Built to match your home — and add real value.

Home Additions That Feel Like They Always Belonged

Add a New Bedroom, Office, or Family Room

Go Up When You Can’t Go Out

Turn Unused Space Into Livable Square Footage

Add Space to Kitchens, Baths, or Dining Areas

Strong Bones First — So Everything Else Lasts

Move-In Ready Finishes That Match Your Home

About us

Sonart-Construction Corp

From First Sketch to Finished Home Addition

On-Site Consultation & Feasibility

Design, Scope & Budget Plan

Permits, Engineering & Pre-Construction

Build Phase: Foundation to Framing to Systems

Final Walkthrough & Handover

Home Additions That Feel Like They Were Always There

Layouts Designed for Everyday Living

Built to Code, Engineered to Last

The New Space Matches Your Home

Clean Jobsite + Clear Weekly Updates

Where Sonart Construction Corp Builds Home Additions

City Home Additions & Extensions

Long Island Home Additions

High-End Additions for Coastal Homes

Family-Focused Expansion Projects