Brooklyn home addition pricing per square foot
Home Addition cost per square foot in Brooklyn, New York in 2026.
Low
$62,100
Average
$117,300
High
$193,200
Brooklyn crews quote about $205 – $620 per square foot.
Multiply local unit rates by your real measurements.
What drives home addition prices in Brooklyn
Local labor, permitting and climate move Brooklyn prices away from the national average.
Labor market
Brooklyn crews price near Manhattan, with access and parking adding to bids.
Permits
DOB permits plus landmark review in many neighborhoods.
Climate
Old housing stock often needs remediation before the main work.
Brooklyn unit pricing by material
Ways to lower your Brooklyn price
- Build up or bump out rather than adding a new foundation footprint.
- Keep plumbing on the existing wet wall — moving water and waste lines is the costliest change.
- Convert existing space (garage, attic, basement) at half the per-square-foot cost.
- Keep the roofline simple; complex tie-ins add framing labor and leak risk.
- Lock the design before demolition — change orders during construction carry the biggest premiums.
Brooklyn questions
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