Certa House Condominium offering plan
2478 East 11th Street · Brooklyn, New York 11235
Overview
The Attorney General's record lists Certa House Condominium at 2478 East 11th Street as a new construction condominium with 10 residential units, plus 10 parking units and 10 storage units. The sponsor is 21y, LLC. The plan was accepted for filing in July 2023 and has 2 amendments listed.
- Residential units
- 10
- Parking units
- 10
- Storage units
- 10
- Commercial units
- 0
- Accepted
- Jul 7, 2023
- Latest amendment
- No. 2, submitted Oct 24, 2023
Coverage. Offering Plan is searchable here. 2 posted documents not searched yet. Some listed amendments are not searched.

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Pricing & units
- Residential
- 10
- Commercial
- 0
- Parking
- 10
- Storage
- 10
- Other
- 0
- Total units
- 30
- Total offering price, initial
- $8.5 million
- Total offering price, current
- $9.15 million
Unit counts and total offering price as recorded by the Attorney General. The total offering price is the sum of all units at the plan's prices, not a sale price.
Not yet extracted. Unit-by-unit prices, unit sizes and $/sf. These are in Schedule A of the plan and its amendments.
- Offering Plan, pp. 42–43
- Offering Plan, p. 295
Budget & charges
Not yet extracted. Projected first-year budget, common charges by unit and real estate tax estimates. These are in Schedule B, and later amendments may revise them.
- Offering Plan, pp. 46–47
- Offering Plan, pp. 51–52
Team
- Sponsor
- 21y, LLC
- Sponsor's counsel
- Law Office Of Jay Lichtman, P.C.
As recorded by the Attorney General.
Not yet extracted. Architect, managing agent, selling agent and other named professionals. They are named in the plan, and an amendment can replace them.
- Offering Plan, p. 137
Floor plans
- Offering Plan, p. 42
Floor plans are drawings inside the plan PDF. Open the plan from the Attorney General's site and go to the pages listed.
Documents
- Offering Plan391 pages · 20.329 MB · searchable here
- Amendment 1 · 0.062 MB · not searched yet
- Amendment 2 · 0.43 MB · not searched yet
- Offering Plan, pp. 297–298
- Offering Plan, pp. 307–309
- and 15 more places
- Offering Plan, p. 99
Amendments
The original plan may have changed. These are the amendments listed for this filing.
| No. | Submitted | Status | Searchable here |
|---|---|---|---|
| 2 | Oct 24, 2023 | Accepted | Posted, not searched yet |
| 1 | Aug 7, 2023 | — | Posted, not searched yet |
About this record
Source: New York State Attorney General, Real Estate Finance Bureau. The Condo Book Project is an independent research tool and is not affiliated with the Attorney General's office. Plan record last checked Sep 24, 2026. Offering Plan is searchable here. 2 posted documents not searched yet. Some listed amendments are not searched.
Offering plans describe what was offered when filed. They do not confirm current availability, pricing, or the building's present condition. Review the source documents and later amendments before relying on anything here.