Queens service

Dormers and second-story additions in Queens

We design, engineer, and permit dormers and full second-story additions for Queens homes, adding bedrooms and headroom without moving. Every project is drawn for DOB approval and built to match your existing roofline.

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The basics

What is a dormer or second-story addition in Queens?

A dormer raises part of a sloped roof to create usable headroom, while a second-story addition builds a full new floor over the existing footprint. Both add living space without expanding the lot. In Queens they are a common way to gain bedrooms and bathrooms when sideyards are tight.

Scope

What is included

Structural during a Queens renovation by CityCore Builders

Structural engineering

A licensed engineer sizes new beams, posts, and the existing foundation for the added load, with stamped drawings for filing.

Design during a Queens renovation by CityCore Builders

Architectural drawings

Floor plans, elevations, and sections that match your roofline and meet zoning, fire, and energy code.

Permits during a Queens renovation by CityCore Builders

DOB filing and permits

We file the Alt-1 or Alt-2 application, manage objections, and pull the work permit before construction starts.

Framing during a Queens renovation by CityCore Builders

Framing and roofing

New dormer or floor framing, sheathing, roofing, and weather tie-in to the existing structure.

Windows during a Queens renovation by CityCore Builders

Windows and exterior

New windows, siding, and trim matched to the home so the addition reads as original.

Finishes during a Queens renovation by CityCore Builders

Interior buildout

Insulation, electrical, plumbing rough-in, drywall, and finishes for the new rooms.

NYC specifics

Permits and approvals in Queens

Adding floor area or changing the roof structure is rarely a cosmetic job. Most dormers and second-story additions are filed with the Department of Buildings as an Alt-1 when the work changes the certificate of occupancy, such as adding a dwelling unit or changing the number of stories. Work that adds space without changing the C of O often files as an Alt-2.

Zoning sets the hard limits. Your floor area ratio (FAR), height, and required setbacks determine how much you can add and whether a second story is even permitted in your district. We confirm these before drawing anything.

New bedrooms must meet egress and light-and-air rules, including a code-compliant window or second means of escape. Energy code applies to the new envelope.

If your home sits in a FEMA flood zone, added value and structural work can trigger flood-resistant requirements. Homes in a landmarked district or near one need LPC review before DOB will approve. We flag these early so the timeline holds.

Service area

Where we work

We build dormers and second-story additions across Queens. Start with the borough hub or pick your area below.

All of Queens Northeast Queens Northwest Queens Central Queens Southeast Queens

Ready to add a floor

Get a free estimate for your Queens addition

Tell us about your home and what you want to gain. We will walk you through feasibility, zoning, and the filing path.

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