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Defonseca Architects

Architecture firm · New York City
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defonsecaarchitecture.com158 Middle Neck Road, Great Neck, NY 11021
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Defonseca Architects is an architecture firm with 93 tracked New York City building-permit projects on record, with the latest filing in that record 3 days ago. Its filings (Aug 2024 to Sep 2026) are concentrated in Queens and Brooklyn, 75% residential. A typical project in the record declares $15K–$178K. If you work at Defonseca Architects, claim this page to add a description.

Filed 3 days ago
#275
by NYC filing activity
among NYC architects & engineers, 90 days to Sep 4, 2026
93
projects
from 185 filings
13/16
active weeks
weeks with a filing (16 weeks to Sep 4, 2026)
Portfolio · $399/yearFree during launch
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Permit-backed projects · PermitPipeline’s independent record
Neighborhood, filing date, scope and declared value are shown here. Exact addresses, owner names and mailing addresses, and full filing histories are part of the paid product.
Typical project$15K–$178K$50K typicalLevel with the NYC median ($50K)Last filed3 days agoQueens · Sep 1, 2026Last 90 days17 active10 newly filed

Filing activity · 16 weeks to Sep 4, 2026 · peak Jun 2026

MAY
JUN
JUL
AUG

Project mix · by use

Commercial7%
Residential75%
Other18%

Geography · by borough

Queens56%
Brooklyn24%
Manhattan12%
Bronx7%
Staten Island1%

Shared-project connections

#FirmPrimary roleSharedRelative
1Jian Engineering PLLCEngineering4
2Yang Engineering LLCEngineering3
3HPL Engineering P.C.Engineering2
4Jeffrey Kamen ArchitectArchitecture1
5Kevin Gallen PE LLCEngineering1
1JRL Skyline IncGeneral contractor3
2Acer Construction IncGeneral contractor2
3Mega General Constr NYCGeneral contractor1
4Oasis Plomo CorpGeneral contractor1
5S&C Construction DesignsGeneral contractor1

Create a free account to see every firm on these projects and how many projects each one shares.

Owner and developer names, and the projects behind each connection, are part of the Leads product.

Firms that appear on the same New York City permit filings. Association on shared filings, not a proven working relationship.
State license5 license filersMost frequent: RA 019488 · PE 093367 · PE 104143. Individual licenses on this firm's filings, not held by the firm.
Repeat working relationships5 firmsFirms this one appears with on more than one project, out of 15 in total.
Permit speed75 days
This firm75d
NYC median32d
43 days longer than the NYC median
based on 32 firm filings vs 153,894 NYC filings

Frequently asked questions

How many NYC projects does Defonseca Architects appear on?▾
PermitPipeline tracks 93 New York City building-permit projects for Defonseca Architects (Aug 2024 to Sep 2026). 17 had filing activity in the last 90 days.
Does Defonseca Architects work on commercial or residential projects?▾
Across its tracked New York City filings, 7% of Defonseca Architects's projects are commercial and 75% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in New York City does Defonseca Architects work?▾
56% of Defonseca Architects's tracked New York City projects are in Queens.
What is a typical Defonseca Architects project worth?▾
The median declared value across the 76 New York City projects Defonseca Architects has on record that state one is $50K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Defonseca Architects?▾
Defonseca Architects most frequently appears on the same New York City permit filings as Jian Engineering PLLC, Yang Engineering LLC, JRL Skyline Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Defonseca Architects an architecture firm?▾
Defonseca Architects is listed as an architecture firm on its New York City permit filings. Roles on this profile are derived from the role each firm holds on public NYC DOB filings.
Public aggregate — full project records are part of the paid leads product. Ranking, filing activity, project mix and geography were last recomputed Sep 4, 2026. Project counts, declared values and filing dates are read live from NYC DOB filings.
How far back does this record go?▾
This page covers the recent permit record, not the firm’s full history. A firm’s earliest filing here means it was already working when our record opens, not that it started then.
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Sources

New York City Department of Buildings permit filings.

Record source

Read directly from NYC DOB filings.

Photography

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