Decker Building
NYC LandmarkSkyscraperManhattan· Built 1893· 11 floors
Year Built
1893
Floors
11
Units
22
20 residential
Building Area
51,150 sqft
Lot Area
4,509 sqft
Floor Area Ratio
11.34
Max: 10.0 commercial
Zoning
Building Class
D6
BBL
NYC Landmarks Preservation Commission
The Union Building
LPC #LP-01538 · Individual Landmark
View LPC designation →Investigate Decker Building
Full building dossier
25+ facets: ownership, zoning, fraud patterns, climate exposure, slumlord network, energy benchmarking.
Ownership chain
LLC officers, registered agents, connected entities, beneficial owners (where unmasked).
Recent permits
DOB job filings, alterations, plumbing/electrical permits, demolition permits.
HPD violations
Class A, B, C violations history. Heat / mold / pest / structural / fire-safety issues.
Frequently asked
Where is Decker Building?
Decker Building is located at 33 UNION SQUARE in Manhattan. Tax lot identifier (BBL): 1008440019.
How tall is Decker Building?
Decker Building has 11 floors per NYC PLUTO data.
When was Decker Building built?
Decker Building was built in 1893 (pre-war).
How big is Decker Building?
Decker Building has approximately 51,150 square feet of building area on a 4,509 sqft lot. Floor Area Ratio (FAR): 11.34.
How many units are in Decker Building?
Decker Building has 22 total units (20 residential).
Is Decker Building a NYC Landmark?
Yes — Decker Building is designated as Individual Landmark by the NYC Landmarks Preservation Commission (LPC #LP-01538).
What zoning district is Decker Building in?
Decker Building is in zoning district C6-4.