๐Ÿšจ 24/7 Emergency Response โ€” Call Now: (315) 294-2110
NYC MBE Certified ยท Licensed ยท Insured ยท Bonded

Building Additions
NYC Vertical & Horizontal

Licensed building addition contractor for commercial and residential properties in NYC, Nassau County, and Suffolk County. Vertical additions, horizontal additions, floor expansions โ€” designed, permitted, and built.

NYC MBE Certified
Registered General Contractor
Licensed NYC ยท Nassau ยท Suffolk
Fully Insured & Bonded
Free Estimates
24/7 Emergency

Expert Service

NYC Building Addition Specialists

Pro Build Restoration manages building addition projects from feasibility assessment through final certificate of occupancy. We handle zoning analysis, variance applications, engineering coordination, DOB permit management, and construction for vertical and horizontal additions across all five NYC boroughs, Nassau County, and Suffolk County.

Building additions in NYC require navigating zoning regulations, structural engineering, and in many cases, Landmarks Preservation Commission approval. Pro Build Restoration has the experience and relationships to move these complex projects forward efficiently.

Why Choose Pro Build?

Pro Build Restoration is New York's trusted family-owned, MBE-certified general contractor. Licensed in NYC, Nassau County, and Suffolk County โ€” we bring the credentials and craftsmanship to every project.

Free estimates. 24/7 emergency response. Zero shortcuts. That's the Pro Build promise.


๐Ÿ“ž Call (315) 294-2110

What's Included

Building Addition Services NYC & Long Island

Serving commercial and residential clients across NYC, Nassau County, and Suffolk County. Licensed, insured & bonded.

โฌ†๏ธ

Vertical Additions

Adding one or more floors to existing buildings. Structural steel, new framing, and seamless integration with existing construction. Historic district and LPC experience.

โžก๏ธ

Horizontal Additions

Lateral building expansions connecting garages, adding rooms, or expanding footprints. Foundation, framing, and full finish work coordinated as a complete project.

๐Ÿ 

In-Law Suite Additions

Accessible and standard in-law suite additions for Long Island and NYC homes. Separate entrances, kitchenettes, accessible bathrooms, and dedicated utilities.

๐Ÿ“‹

Zoning & Permit Management

Zoning analysis, variance applications, DOB permit filing, and Certificate of Occupancy management for all addition projects in NYC, Nassau, and Suffolk County.

๐Ÿ”ง

Structural Engineering Coordination

Engineering coordination for addition projects requiring structural analysis, steel design, and foundation assessment. Licensed engineers engaged for all structural work.

โœจ

Full Interior Finish

Complete interior finish of addition spaces โ€” drywall, flooring, tile, painting, trim, and fixtures. Move-in ready delivery, fully tied into existing building systems.

Common Questions

Frequently Asked Questions

Everything you need to know about our building additions nyc services in New York City, Nassau County, and Suffolk County.

Can I add a floor to my NYC rowhouse or brownstone? โ–ผ
Yes, in many cases. Whether you can add a floor depends on your zoning district, existing building height, floor area ratio (FAR) remaining, and whether your block is in a historic district. Pro Build Restoration conducts feasibility assessments to determine what's possible for your specific property and handles all zoning, variance, and DOB permit work.
How long does it take to get permits for a building addition in NYC? โ–ผ
NYC DOB permit timelines for building additions vary based on project complexity, whether engineer or architect plans are required, and current DOB processing times. Pro Build Restoration manages the permit process proactively to minimize delays and has experience navigating NYC DOB approvals efficiently.
Do you do building additions in historic districts in NYC? โ–ผ
Yes. Pro Build Restoration has completed building additions in NYC historic districts with LPC oversight. We coordinate with architects to design additions that satisfy LPC requirements while delivering the additional space our clients need.
How much does a building addition cost in NYC? โ–ผ
Building addition costs in NYC vary enormously based on size, structural complexity, zoning requirements, and finish level. Pro Build Restoration provides free feasibility assessments and detailed estimates. We give honest, all-in pricing that accounts for permits, engineering, and construction.
Do you build additions in Nassau County and Suffolk County? โ–ผ
Yes โ€” Pro Build Restoration is licensed in Nassau County and Suffolk County and performs building additions throughout Long Island in addition to all five NYC boroughs.
What is the process for a vertical addition on a NYC building? โ–ผ
A vertical addition project in NYC involves: feasibility and zoning analysis, structural engineering assessment, architect drawing preparation, DOB pre-filing review, permit application, and construction. Pro Build Restoration manages this entire process and coordinates all required professionals to deliver a turnkey addition project.

Get Started Today

Ready for a Free Estimate?

Contact Pro Build Restoration today. We serve NYC, Nassau County, and Suffolk County โ€” and we respond fast.

๐Ÿ“ž Call (315) 294-2110 โœ‰๏ธ Request Estimate

Free Estimate

Request a Quote

* We respond within one business day. Emergencies: (315) 294-2110

โœ… Message sent! We'll be in touch shortly.