New York Telephone Building — 375 Pearl Street
Joseph helped build one of Lower Manhattan's most notorious windowless fortresses; forty years later, New York literally cut open its upper walls and turned them into glass.

375 Pearl Street photographed in 2013, before the 2019–2021 recladding: the windowless switching block Joseph's 1973 list points to. Not a construction-period photograph.
2013 · Photo: Beyond My Ken · CC BY-SA 4.0 · Source
Why this project matters
- Project identity
- Verified
- Kelly connection
- Family source
- Masonry scope
- Unresolved
Rita’s list

Transcription: N.Y. Telephone - Pearl Street — 1973
Recorded by Rita Bartscherer · Bartscherer family record
KM-102
1 of two
“N.Y. Telephone - Pearl Street — 1973”
The fortress-like telecom tower was later transformed through a roughly $250 million renovation, and its new office floors became home to multiple NYC agencies.
The physical transformation is unusually literal—masonry walls opened for glass—and the afterlife is equally New York: the converted tower now houses both digital infrastructure and city government.
What Kelly did here
Family source
Unresolved
The masonry package on this job has not been established. The entry rests on the family record alone, and nothing further is claimed here.
This scope is recorded as unresolved, not documented. It is a disciplined reading of the building and the trade practice of the period, not a contract-level record of Kelly’s work.
The construction team
- 01Owner / client
New York Telephone
- 02Architect
Rose, Beaton & Rose
- 03GC / construction manager
Pearl Street Development Corporation (general contractor/developer)
What happened to it
Altered / data center and office reuse
375 Pearl remains a hybrid data-center/office property with multiple New York City agency tenants.
Sources
3 citedOpen →
- 01oshrc.gov
julius nasso concrete corp
- 02law.justia.com
41 n y 2d 167 0
- 03law.justia.com
2012 ny slip op 51142 u
- Beyond My Ken · CC BY-SA 4.0 · Wikimedia Commons · 2013-04-07
375 Pearl Street photographed in 2013, before the 2019–2021 recladding: the windowless switching block Joseph's 1973 list points to. Not a construction-period photograph.
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