THE CONDO BOOK PROJECT

Diontech Consulting

Held the general construction permit on the New Building job for 6 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
6
Residential units
94
Average $/unit
$816,306
Years
2006–2009
ManhattanBrooklynQueensBronxStaten Island C 560 Condominium, 560 Carroll StreetEast 115th Street Condominium, 431-433 East 115th StreetIonian Condominium, 32-86 41st Street18 Lake Avenue Condominium, 18 Lake AvenueBay Palace Condominium, 295 Avenue PCrystal Garden Condominium, 1927 78th Street

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Recent Growth

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

No buildings accepted since 2021. 0% of all 6 dated buildings are from the last 3 years.

Year acceptedBuildingsUnits
2026 to date0—
20250—
20240—
20230—
20220—
20210—

Latest: C 560 Condominium, accepted Apr 15, 2009.

Strongest Relationships

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

Sponsor's counsel

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
C 560 Condominium560 Carroll Street · Brooklyn · new constructionNamed as Diontech Consulting Inc. · Sponsor: 560 Carroll Street, LLC · DOB job 302005620 ↗ · permits 2007–2008200941$723,963
East 115th Street Condominium431-433 East 115th Street · Manhattan · new constructionSponsor: 431 Ama LLC · DOB job 104160916 ↗ · permits 2007–200820070—
Ionian Condominium32-86 41st Street · Queens · new constructionNamed as Diontech Consulting, Inc. · Sponsor: 32-80 41st Street, LLC · DOB job 402120316 ↗ · permits 2006–2007200719$803,789
18 Lake Avenue Condominium18 Lake Avenue · Brooklyn · new constructionNamed as Diontech Consulting Inc · Sponsor: Hanardi Corporation · DOB job 302005185 ↗ · permits 2007–200820065$664,000
Bay Palace Condominium295 Avenue P · Brooklyn · new constructionNamed as Diontech Consulting Inc. · Sponsor: 291 Avenue P, LLC · DOB job 301923060 ↗ · permits 2007200620$917,000
Crystal Garden Condominium1927 78th Street · Brooklyn · new constructionNamed as Diontech Consulting Inc. · Sponsor: Summerfield Developers, Inc. · DOB job 301940489 ↗ · permits 200720069$972,778

$/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.