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DDT Engineering PLLC

Engineering firm · New York City
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DDT Engineering PLLC is an engineering firm with 27 tracked New York City building-permit projects on record, with the latest filing in that record 5 days ago. Its filings (Oct 2024 to Oct 2026) are concentrated in Manhattan and Brooklyn, 82% residential. A typical project in the record declares $15K–$90K. If you work at DDT Engineering PLLC, claim this page to add a description.

Filed 5 days ago
#1,260
by NYC filing activity
among NYC architects & engineers, 90 days to Oct 7, 2026
27
projects
from 43 filings
4/16
active weeks
weeks with a filing (16 weeks to Oct 7, 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–$90K$25K typical50% of the NYC median ($50K)Last filed5 days agoQueens · Oct 2, 2026Last 90 days3 active2 newly filed

Filing activity · 16 weeks to Oct 7, 2026 · peak Sep 2026

JUN
JUL
AUG
SEP
OCT

Project mix · by use

Commercial7%
Residential82%
Other11%

Geography · by borough

Manhattan67%
Brooklyn18%
Queens15%

Shared-project connections

#FirmPrimary roleSharedRelative
1Serdar Ceylan Architect PC.Architecture3
2Just Consulting Engineering PLLCEngineering2
3Ronnette Riley ArchitectArchitecture2
1Awl Industries IncGeneral contractor6
2Champion Combustion CorpGeneral contractor2
3Elite GC Ny IncGeneral contractor1
4Peeps Services IncGeneral contractor1
5MKNK Waste Removal IncGeneral 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 license3 license filersMost frequent: RA 041382 · PE 107346 · PE 090417. 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 9 in total.
Permit speed20 days
This firm20d
NYC median32d
12 days shorter than the NYC median
based on 19 firm filings vs 153,823 NYC filings

Frequently asked questions

How many NYC projects does DDT Engineering PLLC appear on?▾
PermitPipeline tracks 27 New York City building-permit projects for DDT Engineering PLLC (Oct 2024 to Oct 2026). 3 had filing activity in the last 90 days.
Does DDT Engineering PLLC work on commercial or residential projects?▾
Across its tracked New York City filings, 7% of DDT Engineering PLLC's projects are commercial and 82% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in New York City does DDT Engineering PLLC work?▾
67% of DDT Engineering PLLC's tracked New York City projects are in Manhattan.
What is a typical DDT Engineering PLLC project worth?▾
The median declared value across the 27 New York City projects DDT Engineering PLLC has on record that state one is $25K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as DDT Engineering PLLC?▾
DDT Engineering PLLC most frequently appears on the same New York City permit filings as Awl Industries Inc, Serdar Ceylan Architect PC., Just Consulting Engineering PLLC. Appearing together indicates association on shared filings, not a proven working relationship.
Is DDT Engineering PLLC an engineering firm?▾
DDT Engineering PLLC is listed as an engineering 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 Oct 7, 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

None are shown until the firm supplies them.

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