THE CONDO BOOK PROJECT

Gravity Construction US

Held the general construction permit on the New Building job for 2 New York City condominiums, as the Department of Buildings records it. Each building below links its DOB job. A contractor replaced partway through still counts for the building.

Buildings
2
Residential units
8
Average $/unit
$954,286
Years
2024–2025
ManhattanBrooklynQueensBronxStaten Island 30-85 31st Street Condominium, 30-85 31st StreetResidence Kam 35 Bay Condominium, 207 Bay 35th Street

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Recent Growth

Gravity Construction US's buildings and units by year for the last 6 years, and whether the pace is rising or falling.

2 buildings accepted in 2024–2026 (2026 to date), against 0 in 2021–2023. 100% of all 2 dated buildings are from the last 3 years.

Year acceptedBuildingsUnits
2026 to date0—
202511
202417
20230—
20220—
20210—

Latest: 30-85 31st Street Condominium, accepted May 5, 2025.

Strongest Relationships

No other firm is named with Gravity Construction US on more than one building yet.

From the same offering plans as the table below. A firm's own affiliates aren't counted.

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CondominiumAcceptedUnits$/unit
30-85 31st Street Condominium30-85 31st Street · Queens · new constructionSponsor: 3085 31st Property LLC · DOB job 421943277 ↗ · permits 2021–202420251—
Residence Kam 35 Bay Condominium207 Bay 35th Street · Brooklyn · new constructionSponsor: Kam Cheung Realty LLC · DOB job 320911028 ↗ · permits 2021–202220247$954,286

$/unit is the offering price on the AG record divided by the residential units; the average is across the plans with both. Different spellings of one contractor's name are counted together.