THE CONDO BOOK PROJECT

C3D Architecture 🔗

Named as the architect in 6 New York City condominium offering plans, in the plan's text. For conversions this is often the architect who certified the existing building.

Buildings
6
Residential units
124
Average $/unit
$2.61 million
Years
2016–2023
ManhattanBrooklynQueensBronxStaten Island Archive Lofts Condominium, 305 East 61st Street21-01 21st Street Condominium, 21-01 21st Street66 Clinton Condominium, 66 Clinton StreetHillrose 28 Condominium, 181 East 28th Street336 E. 54th Street Condominium, 336 East 54th Street227 E. 67th Street Condominium, 227 East 67th Street

Pro · Advanced analysis

Recent Growth

C3D Architecture's buildings and units by year for the last 6 years, and whether the pace is rising or falling.

0 buildings accepted in 2024–2026 (2026 to date), against 3 in 2021–2023. 0% of all 6 dated buildings are from the last 3 years.

Year acceptedBuildingsUnits
2026 to date0—
20250—
20240—
2023254
2022112
20210—

Latest: Archive Lofts Condominium, accepted Aug 30, 2023.

Strongest Relationships

The firms named most often on the same buildings as C3D Architecture, at least 2 in common.

Developers

Sponsor's counsel

Sales teams

Property managers

Tax consultants

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

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CondominiumAcceptedUnits$/unit
Archive Lofts Condominium305 East 61st Street · Manhattan · new construction202335$2.72 million
21-01 21st Street Condominium21-01 21st Street · Queens · new construction202319$1.27 million
66 Clinton Condominium66 Clinton Street · Manhattan · new construction202212$1.32 million
Hillrose 28 Condominium181 East 28th Street · Manhattan · new construction201943$2.33 million
336 E. 54th Street Condominium336 East 54th Street · Manhattan · rehab201710$2.34 million
227 E. 67th Street Condominium227 East 67th Street · Manhattan · rehab20165$5.7 million

$/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 architect's name are counted together.