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Building Atlas

Existing building

CORE23

41-21 23rd Street, Long Island City, NY 11101

Twenty-nine-residence mixed-use boutique elevator condominium. Its profile is distinguished by rooftop outdoor space, a fitness center, and boutique scale.

Building type
Twenty-nine-residence mixed-use boutique elevator condominium
Built
2018
Homes
29
Stories
9

Reviewed 2026-09-09. This is an existing building. A current listing may be a resale, sponsor-held home or another ownership situation; verify the exact seller and offering context.

Six official checks · 2026-09-09

Public-record screen

Source-matched formation, occupancy, energy, Local Law 97, safety and façade records. Open the evidence; confirm current conditions.

What to ask next

Multiple or broader energy-reporting records matched. Confirm which reporting property covers the specific condominium building before comparing performance.

View all six official checks
Offering-plan record
CD190340Official NYAG identifier; amendments and plan terms require document review.NY Attorney General
Occupancy record
Final record locatedLatest matched issuance Jul 21, 2023. Confirm the exact building and residence.NYC Department of Buildings
2024 energy disclosure
2 exact matches · scope reviewA single building grade is withheld until the reporting-property scope is confirmed.NYC benchmarking disclosure
Local Law 97
On the 2026 reference listDOB pathway code: 0. Listing is not a compliance determination.NYC DOB covered-buildings list
DOB / ECB snapshot
DOB NOW 3 · legacy 0Active ECB Class 1: 0. Categories remain separate to avoid double counting.NYC DOB safety records
Façade filing
Not yet evaluableA verified building identifier or floor count is still needed.NYC DOB FISP filings

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Building character

  • Boutique building

Service and ease

  • Elevator
  • Package room

Wellness and shared space

  • Fitness center

Shared outdoor space

  • Roof deck

Location and access

  • Near subway
Official sources and limits (8)

Official identifiers and dated extracts establish a research starting point. They do not replace the current offering plan, management package, contract review, inspection, title search or advice from the buyer’s attorney and other professionals.

  • Facts and evidence states checked 2026-09-09; refresh time-sensitive details before publication.
  • This minimum profile uses a verified condominium identity and public evidence; unresolved or time-sensitive details are intentionally omitted or qualified.
  • Labels marked “some/select residences” are unit-level opportunities, not building-wide promises.
  • Derived labels follow the research workbook’s stated official-data thresholds and limitations.
  • Staffing, amenity access and operating details should be confirmed with current management.