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Joseph K. Blum Co. LLP

Engineering firm · New York City
jkblum.com(212) 447-63456 East 39th Street, Suite 402, New York, NY 10016

Joseph K. Blum Co. LLP is an engineering firm with 124 tracked New York City building-permit projects on record, with the latest filing in that record 10 days ago. Its filings (Aug 2024 to Aug 2026) are concentrated in Manhattan and Brooklyn, 86% residential. A typical project in the record declares $50K–$449K. If you work at Joseph K. Blum Co. LLP, claim this page to add a description.

Filed 10 days ago
#317
by NYC filing activity
among NYC architects & engineers, 90 days to Sep 4, 2026
124
projects
from 277 filings
11/16
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$50K–$449K$186K typical3.7× the NYC median ($50K)Last filed10 days agoManhattan · Aug 25, 2026Last 90 days15 active4 newly filed

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

MAY
JUN
JUL
AUG

Project mix · by use

Commercial3%
Residential86%
Other11%

Geography · by borough

Manhattan70%
Brooklyn19%
Queens7%
Bronx4%

Shared-project connections

#FirmPrimary roleSharedRelative
1David Bucovy ArchitectArchitecture5
2Abs Engineering, PLLCEngineering3
3Advanced Professional EngineeringEngineering3
4Engineering SolutionsEngineering3
5Ospino Engineering PLLCEngineering3
1Pofi Construction CorpGeneral contractor4
2Tower Services IncGeneral contractor3
3Pl-euro Construction CorpGeneral contractor3
4Fine Craftsman Group LLCGeneral contractor2
5Andaloro Construction LLCGeneral contractor2

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 license9 license filersMost frequent: PE 092346 · PE 105916 · RA 029093. Individual licenses on this firm's filings, not held by the firm.
Repeat working relationships14 firmsFirms this one appears with on more than one project, out of 76 in total.
Permit speed75 days
This firm75d
NYC median32d
43 days longer than the NYC median
based on 111 firm filings vs 153,894 NYC filings

Frequently asked questions

How many NYC projects does Joseph K. Blum Co. LLP appear on?
PermitPipeline tracks 124 New York City building-permit projects for Joseph K. Blum Co. LLP (Aug 2024 to Aug 2026). 15 had filing activity in the last 90 days.
Does Joseph K. Blum Co. LLP work on commercial or residential projects?
Across its tracked New York City filings, 3% of Joseph K. Blum Co. LLP's projects are commercial and 86% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in New York City does Joseph K. Blum Co. LLP work?
70% of Joseph K. Blum Co. LLP's tracked New York City projects are in Manhattan.
What is a typical Joseph K. Blum Co. LLP project worth?
The median declared value across the 124 New York City projects Joseph K. Blum Co. LLP has on record that state one is $186K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Joseph K. Blum Co. LLP?
Joseph K. Blum Co. LLP most frequently appears on the same New York City permit filings as David Bucovy Architect, Pofi Construction Corp, Abs Engineering, PLLC. Appearing together indicates association on shared filings, not a proven working relationship.
Is Joseph K. Blum Co. LLP an engineering firm?
Joseph K. Blum Co. LLP 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 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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