Estimating additions and ADUs in New York, NY
Prices for additions and ADUs in New York, NY, how they compare with the national median and what to know when bidding here, for remodeling contractors.
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Room addition prices in New York
Q4 2026 pricing. Ranges are rounded to the nearest $50, or $100 from $5,000 up.
1 story over a basement
$56,000 to $368,000
150 to 1,000 square feet
National median: $45,700 to $302,100.
2 story over a basement
$84,000 to $559,400
150 to 1,000 square feet
National median: $69,300 to $464,400.
How New York compares
Across the work in the cost data, New York prices run 19% above the national median.
More work in New York
- Kitchen remodelsCabinets, countertops, appliances and finishes.
- Bathroom remodelsTile, fixtures, vanities and plumbing rough-ins.
- GaragesOne and two car garages, framed and sided.
- Decks and porchesFraming, decking, railings and stairs.
- PaintingInterior and exterior, by surface area and substrate.
- Electrical workService upgrades, rough-ins, fixtures and finish work.
- All of New York, NYEvery category, against the national median.
- Additions and ADUs nationallyNational ranges, cost drivers and the estimate's structure.
Estimate additions and ADUs with New York prices
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