Charles Diehl Architect LLC is an architecture firm with 44 tracked New York City building-permit projects on record, with the latest filing in that record 10 days ago. Its filings (Sep 2024 to Aug 2026) are concentrated in Brooklyn and Manhattan, 70% residential. A typical project in the record declares $25K–$168K. If you work at Charles Diehl Architect LLC, claim this page to add a description.
Filed 10 days ago
#517
by NYC filing activity
among NYC architects & engineers, 90 days to Sep 4, 2026
44
projects
from 103 filings
11/16
active weeks
weeks with a filing (16 weeks to Sep 4, 2026)
Portfolio · $399/yearFree during launch
Work at CHARLES DIEHL ARCHITECT LLC?
Claim your firm and publish up to three projects with photographs. Claiming also gives you your logo, a short introduction and your own contact details.
Permit-backed projects · PermitPipeline’s independent record
$361K Brooklyn residential renovation
Grade AActive 23 days ago · 3 filings · 2 units · Charles Diehl Architect: architect
PROPOSED INTERIOR RENOVATION OF AN EXISTING 2-STORY OVER BASEMENT & CELLAR, 2-FAMILY RESIDENTIAL BRICK BUILDING @ PARTIAL CELLAR, FULL 1ST…
GC named · 1 other firm identified · 5 anticipated categories not yet filed
View project details →
$25K Manhattan multifamily renovation
Grade BActive 1 month ago · 92 units · Charles Diehl Architect: architect
REPLACEMENT OF EXISTING (1) PACKAGED ROOFTOP UNIT AT THE ROOFOF TOWER 3
GC named · 1 other firm identified · 1 anticipated category not yet filed
View project details →
$61K Queens residential renovation
Grade BActive 3 months ago · 2 units · Charles Diehl Architect: architect
Subsequence filing structural work for horizontal and vertical enlargement existing 2 story, 2 family residential building in conjunction…
No GC named · Engineer identified · 4 anticipated categories not yet filed
View project details →
41 more
Charles Diehl Architect projects with project intelligence
Scopes, values, teams and filing history for every one
Start your 14-day trial →
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.
44 project records for Charles Diehl Architect LLC: addresses, values, project teams
Start 14-day free trial
Typical project$25K–$168K$61K typical1.2× the NYC median ($50K)Last filed10 days agoManhattan · Aug 25, 2026Last 90 days10 active8 newly filed
Filing activity · 16 weeks to Sep 4, 2026 · peak Aug 2026
MAY
JUN
JUL
AUG
Project mix · by use
Commercial16%
Residential70%
Other14%
Geography · by borough
Brooklyn61%
Manhattan25%
Queens14%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Engineering Professional Service P. | Engineering | 2 | |
| 2 | Aa Bldg & Insp Svc LLC | Engineering | 1 | |
| 3 | Darius Toraby Architects, P.C. | Architecture | 1 | |
| 4 | Structural Engineering Technologies | Engineering | 1 | |
| 1 | SMBT LLC | General contractor | 2 | |
| 2 | Builders Joseph and Sons | General contractor | 2 | |
| 3 | Gibco Construction Corp | General contractor | 1 | |
| 4 | CHS Contracting LLC | General contractor | 1 | |
| 5 | Design Procure Build LLC | General contractor | 1 |
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.
Get an email when Charles Diehl Architect LLC files a new project. Monitor up to 10 firms free.
Create your free account
Already have an account? Log in
Need full project records — addresses, values, parties? Start 14-day free trial
State license3 license filersMost frequent: RA 032543 · PE 085125 · PE 092329. Individual licenses on this firm's filings, not held by the firm.
Repeat working relationships3 firmsFirms this one appears with on more than one project, out of 13 in total.
Permit speed49 days17 days longer than the NYC median
based on 31 firm filings vs 153,894 NYC filings
based on 31 firm filings vs 153,894 NYC filings
Frequently asked questions
How many NYC projects does Charles Diehl Architect LLC appear on?▾
PermitPipeline tracks 44 New York City building-permit projects for Charles Diehl Architect LLC (Sep 2024 to Aug 2026). 10 had filing activity in the last 90 days.
Does Charles Diehl Architect LLC work on commercial or residential projects?▾
Across its tracked New York City filings, 16% of Charles Diehl Architect LLC's projects are commercial and 70% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in New York City does Charles Diehl Architect LLC work?▾
61% of Charles Diehl Architect LLC's tracked New York City projects are in Brooklyn.
What is a typical Charles Diehl Architect LLC project worth?▾
The median declared value across the 43 New York City projects Charles Diehl Architect LLC has on record that state one is $61K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Charles Diehl Architect LLC?▾
Charles Diehl Architect LLC most frequently appears on the same New York City permit filings as Engineering Professional Service P., SMBT LLC, Builders Joseph and Sons. Appearing together indicates association on shared filings, not a proven working relationship.
Is Charles Diehl Architect LLC an architecture firm?▾
Charles Diehl Architect LLC 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.
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.
Firm directories by market