BERKLEY FOUNDATION FOR HISTORICAL BOOKS AND DOCUMENTS

Nonpartisan civic infrastructure

AllCiv·Legis1

Berkley Foundation for Historical Books and Documents

Private foundation

DBA: % INTERLAKEN CAPITAL

Foundations · GREENWICH, CT · EIN 99-5033731

In care of Interlaken Capital

Donations are tax-deductible

FY ending 2024-12-31

Revenue

—

Expenses

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Assets

$100.0M

Liabilities

Campaign Spending

—

Lobbying

—

Grants Given

BERKLEY FOUNDATION FOR HISTORICAL BOOKS AND DOCUMENTS

Your actions

475 Steamboat RD

Greenwich, CT, 06830-714

Public records

Full 990 PDFs going back to 2001, plus parsed financial extracts. The easiest place to read actual filings.

IRS-side authoritative source. Confirms current exempt status and pulls the latest determination letter.

These open in a new tab. AllCiv doesn't host filings directly — these are the authoritative public-record sources.